Error 1013 iphone 4

error 1013 iphone 4

Roll back to previous ios version. You have not specified the Ios installed currently on your iPhone 4. Downgrade t ios and then remove the. The most common reason for iTunes error 21 is that your iTunes is trying to download recovery files .ipsw) but is unfortunately being blocked from. › iphone-fix › fix-itunes-errorwhen-upd.

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Fix iTunes Error 1013 When Restoring on Mac and Windows with iPhone, iPod touch, and iPad

Fixing iPhone Error

True users of any devices produced by information technology (IT) firm Apple Inc. are familiar of the so-called iTunes. Itunes is a multimedia application for iPod, iPod touch, iPhone, iPad, and any other Apple Inc. devices.

Itunes is also used whenever users wanted to transfer and synch their devices at the computer. With the iTunes, users may be able to watch and download their favorite movies and songs using their USB cable. They can also upgrade their devices using it. Moreover, if they wish to restore the original settings outlined by Apple Inc. during the development process, they can also make it with iTunes.

The default iDevice application also does not exclude itself from getting errors, usually if it involves user interaction. ITunes may prompt errors due to connection, transfer, upgrade and restoration processes like the iphone error .

The iTunes error concerns issues on the upgrade process requested by the user. Let us take iPhone 4 as an example.

If you connect your iPhone 4 in iTunes and iphone error screensaver error windows xp crfxfnm, this error 1013 iphone 4 that the baseband did not received the updates. Baseband is the iPhone 4 firmware, which is a modern cellular firmware. This is were the programs are stored. You ca see the baseband version of your device using the following steps:

  • Go to Settings then tap General.
  • Tap into the About button then scroll down and see the Modem Firmware label.
  • The number you can see across the Modem Firmware is the version of your baseband.

Are you worried on how to get it fixed? You better continue reading the rest of the article below to know how to fix iTunes error .

Tips to Fix iPhone error

Here are a couple of options on how to deal with this iphone error .

Apple Inc. requires users to install the latest version of the iTunes, which is version Be sure to upgrade your iTunes if it is not yet upgraded.

Do not use any USB hubs or data extension cables when connecting the device. You need to directly connect it to your PC or laptop using the original USB cable.

When it does prompts again, try another port.

You also need to avoid connecting many devices at the same time because it might confuse the system.

If it does not work out, you need to restart the PC and your device as well.

The following are more advanced options, if you don’t have any advanced technical knowledge, you better not adhere to it. If are not afraid of taking risks, feel free to try.

From your host file, you need to eradicate the entry. Here are the steps on how to remove

For MAC OS X users:

  1. Go to the Applications folder.
  2. Find the Utilities folder inside it and explore.
  3. Open Terminal.
  4. Enter the keywords sudo nano/etc/hosts. Hit return afterwards.
  5. You will be promoted to enter your password, input the necessary information if so.
  6. Find the text on the list of entries.
  7. Put the mouse cursor on the line where the entry is find.
  8. You need to put the symbol # in front of the entry.
  9. Press Control + O to save the file.
  10. Press Control + X to close the application.
  11. Restart the process of restoring the iDevice you have.

For Diablo 37 error Users:

  1. Click Start button then proceed to All Programs and then Accessories.
  2. You may choose between Notepad or Wordpad as an editor.
  3. Press Control + O to open file. You can also choose to use the File Menu and click Open.
  4. Go to the directory Windows/System32/drivers/etc and then open hosts.
  5. Find all lines having the keyword and delete those.
  6. Save the file and exit the editor.
  7. Restart the process of restoring your device.

Another similar error like this iphone error is iphone erroryou could read it if you got the error.

&#;Error &#; on iPhone and device does not turn on


In order to resolve error you'll have to do the following, for Mac:

1. Open Finder;

2. Press COMMAND + SHIFT keys and press G;

3. Type /private/etc/ in the field and then press GO;

4. Find hosts in the file directory and drag that file to the desktop;

5. Open it in any text editor;

6. Entirely remove the line that has, or put # at the beginning of it to comment it out;

7. Save the file and drag it back to the /private/etc/folder, error 1013 iphone 4. Maybe you'll need to enter your username and password to complete this transfer.

As for the Windows you'll have to do the following:

1. Locate the hosts file in one of the following directories:

  • Windows95/98/Me C:windowshosts;
  • Windows NT//XP Pro Error 1013 iphone 4 Windows XP. Vista, 7 C:windowssystem32driversetchosts;

2. Right click on it and select Open With, and the click on the Notepad from the list;

3. Remove the line that has completely and save the file. This should do the job but there is one big flaw to this.

You will lose all your music, photo books error send request with error videos in this process.

Anyway, you defiantly shouldn't be using TinyUmbrella to kick out of restore. This way you'll add the line back into the host file, and you should be getting rid of it in order to fix this problem.

This way you'll just end back to error again.

Hope this'll help you.

How to fix iTunes error during firmware update.

How to fix iTunes error during firmware a3con rarprocessfile error you have recently updated bde error+invalid file name firmware of your iPhone, iPad or iPod Touch, it is likely that after waiting several minutes for the software to download and everything else, the update of your equipment has stopped to throw you an error message such error 1013 iphone 4 the one that appears above.

“The device could not be restored. An unknown error () has occurred.”

When we get this error for the first time we immediately feel a little fear, first fear that we have mistakenly damaged our precious iPhone, iPad or iPod touch. Then because when we click the button that says “More information” iTunes sends us to an Apple page where they give us recommendations to solve the problem.

Some of the error 1013 iphone 4 include restarting the computer, updating to the latest version of iTunes, trying to restore / update our device on a different computer, and so on. All that can work in certain cases, but if you’ve already tried everything and you still get the error then the solution is likely to be simpler.

If your device (iPhone, iPad or iPod touch) was previously jailbroken then error is due to iTunes not being able to connect to Apple’s server, to validate your device’s software. And the reason why it has not been able to connect is because with the jailbreak the HOSTS file of our PC / Mac is modified to point to the Cydia servers.

There are many ways to correct the problem, some easy, some less easy, but I’m going to show you the quickest and easiest way to fix the problem.

All you have to do is go to the official setfsb 2.1 pll byte error of Tiny Umbrella and download the version of Tiny Error 1013 iphone 4 suitable for your operating system (Windows or Mac). The file is small and installs straight away.

Once the software is installed, all you have to do error 1013 iphone 4 run Tiny Umbrella while your iPhone / iPad / iPod touch is still connected to the computer.

When you open Tiny Umbrella, the name of your device will appear on the left side and you must go to the tab error 1013 iphone 4 says Advanced. There you will have to uncheck the second option that says: Set Hosts To Cydia On Exit.

Press the button Apply Changes and ready. Close Tiny Umbrella and do the update / restore again, everything will be fine now.

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  • ITunes Error 1013 iphone 4 Gift Card with US Apple ID?
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Fix iTunes Error When Updating iPhone 4 to iOS

If you have tried updating to the recently released iOS update on iPhone 4 and encountered Error Code or Error Code ,then you socket error 10053 windows mail a not alone. This has been a common issue across all iOS devices updating to iOS and Apple Support Discussion forums are full of users complaining about this issue.

iTunes Error

This bug has apparently been reported to Apple but if you don&#;t fancy waiting for an official fix, you can follow this guide to try and successfully update your iOS device to Before doing so, you may also like to try and restore using a different computer.

Warning Note: This will result in your iPhone 4 baseband being upgraded to the latest version.

How to Fix Error Code

Mac OS X:

Step 1. On your Mac, go to your “Applications” folder.

Step 2. Now navigate to the “Utilities” folder.

Step 3. Launch "Terminal".

Step 4. Type "sudo nano /etc/hosts" (without quotes) and hit return.

Step 5. Enter your password

Step 6. Use the down arrow key to find the “” entries. Once the cursor is in front, make sure you 5800 certificate the supplier out the line(s) by entering “#” in front of the text.

Step 7. Save the file by pressing CONTROL+O.

Step 8. Exit the nano editor by pressing CONTROL+X.

Step 9. Restore your iDevice.


Step 1. Start –> Programs –> Accessories
Step 2. Run Notepad or WordPad
Step 3. Click “Open.” from File menu.
Step 4. Browse to Windows/System32/drivers/etc
Step 5. In "files of type:" select all documents
Step 6. Open "hosts"
Step 7. Delete all line that has "" or something like that
Step 8. Hit Save
Step 9. Restore your device

[@Gustasn0w for Windows steps

iTunes Errors

Most of the errors can be found at Apple's Knowledge Base. Here is a list of iTunes errors that could appear during a restore or a USB connection via iTunes:

Errors xx


This error happens if you are logged out, try to download something from the iTunes Store and if you click on "Download" and enter an account, which doesn't have this article, this error will occur.


Set exact date, error 1013 iphone 4, restart computer. See also KB TS


Set exact date, restart computer. See also KB TS


Check system time, setup root error mounting proc Internet connection, update root certificates. See also KB


Computer system time incorrect.


Set exact date, restart computer. See also KB TS

Errors xx


There is a problem with the permissions of the Mobile Application folder. The App you've tried to download in iTunes couldn't be saved.

Errors xx


  • The network connection was reset.


  • Connection timeout, try again.


Errors xx


Errors -1


Permission error either on your computer or the device.


Reinstall iTunes.


Error when downloading songs purchased on iTunes. Also see KB TS

Error -1

Error occurs when one uses the "last ditch" method for preventing baseband updates on the iPhone 4, error 1013 iphone 4. The baseband does not get updated using this method. Use TinyUmbrella or redsn0w to kick it out of Recovery Mode.

Also occurs in restore logs as "unable to convert ramrod " Seemingly caused by a modem firmware chipset malfunction or faulty dock connector, the only fix is to either heat up the chipset or replace the dock connector.

Errors 0

Error 1

  • You are attempting to downgrade an iPhone from iOS 5 to iOS 4.x. To resolve, use either custom firmware created by PwnageTool/sn0wbreeze or use notcom's FixRecovery utility available on his site.
  • On an iPhone 4 downgrading from iOS 5, use the option in TinyUmbrella to allow a baseband "upgrade" to bypass the error and go back to basband
  • Unable to downgrade. Try changing the USB port (the back one of chassis is better) and restart computer.
  • The installed version of iTunes may also be too old. Update iTunes.
  • You are trying to downgrade an iPhone 4 to an earlier version of iOS 5, error 1013 iphone 4, using redsn0w. To resolve, stitch your blobs to a "No_BB" ipsw of the firmware you are trying to downgrade to.

Error 2

  • ASR does not exist on ramdisk or is corrupt/not signed.
  • sn0wbreeze Custom Firmware has a ASR patch problem, error 1013 iphone 4. Use sn0wbreeze + or PwnageTool. Device isn't bootable.

Error 6

  • Not enter the downgrading mode, change USB port (the back one of chassis is better) and restart computer.
  • Unable to resize partition due to full storage problem at final stage of updating firmware. The error may be bypassed (restart and do exit recovery) but you probably need to re-update it one more time.

Error 9

  • Due to asr being patched, the SHA signature is automatically changed and after being resigned the kernel will refuse to use it. Therefore proper kernel patches are required. If necessary kernel patches are not applied, it will fail to load asr and error 9 would occur during restore.
  • Rebooting your Mac or PC may resolve this issue.

Error 10

LLB is missing error 1013 iphone 4 the IPSW. The device cannot be booted up. The trick to skip the baseband update no longer 1603 fatal error during installation xp.

Error 11

  • Removed BBFW file in the firmware folder of an unzipped IPSW. Can also be used to prevent a baseband update. The device is bootable, if you set the auto-boot to true or use TinyUmbrella and use "Kick Device out of Recovery".
  • You are trying to update to a custom firmware from PwnageTool +. You always have to go into DFU mode and restore from there.
  • Occurs when attempting to restore a signed custom firmware on the iPhone 4 using iTunes or newer. Downgrade to an earlier iTunes to fix.
  • Installed version of iTunes is too old to recognize your device, update iTunes and try again.

Error 13

  • Occurs when you want to install an iOS beta firmware with iTunes for Windows (actively blocked by Apple; beta users are developers and therefore error 1013 iphone 4 have a Mac).
  • USB problem. Check the USB connection and try other direct ports or maybe the USB cable is an older one. Device isn't bootable.
  • The installed version of iTunes may also be too old. For firmwares and higher you need iTunes or higher. Update iTunes.

Error 14

  • Custom firmware update fail (PwnageTool until ). You have to restore the device with a custom firmware. Update to a custom firmware isn't working. Device isn't bootable. 2
  • USB Problem. Check the USB connection and try other direct ports or maybe the USB cable is an older one. Device isn't bootable.
  • You're trying to 'update' to a beta firmware instead of performing a restore. Device is still bootable if you kick it out of recovery mode.
  • Rebooting your Mac or PC may resolve this issue.
  • Root file-system partition size was set too small in the ramdisk's options plist, or the root filesystem size somehow exceeds the storage capacity of the device ("not enough space in /dev/disk0s1 to restore" according to ASR)
  • Root file-system dmg is corrupted or ASR has not been correctly patched. Re-download your IPSW or correctly patch ASR (see PwnageTool Bundles - ASR).

Error 17

  • Device failed to display the applelogo img3 which results in this error.
  • One or more of the nand0/nor0 flash images were missing from the IPSW.

Error 18

This occurs when the media library on the device is corrupt and cannot be modified or updated.

Updating to the latest version of iTunes and then restoring should resolve this issue

Error 20

Reportedly happens during failed downgrade attempts (iPhone OS toiOS 5 beta to ).

Some have seen success afterwards by doing the downgrade from DFU mode instead of the normal Recovery mode.

Error 21

  • Custom firmware restore fail (PwnageTool since ). You have to put your device into the DFU mode and not into recovery mode. Device won't boot correctly an stuck at the Apple logo after the error. Press and hold power and home button until it reboots.
  • Error when using Sauriks server for a 3ds max 2011 error 7b with iOS 5.x in the recovery mode at least on a A5 device.
  • This error can also happen when you try to restore an iPod with hardware dfu. Use iREB r5 to solve this.
  • You are trying to update to a beta firmware without UDID activation.

Error 23

Cannot restore or update due to hardware problems.

  • In software you have to set default web browser.
  • In hardware, it's a communication problem. Check all connections, also try to change battery.
  • Faulty baseband flash or processor
  • Happens frequently after water damage. Remove and clean motherboard.

Error 26

  • Values or variables in the options property list within the ramdisk are incorrect.
  • False version of the NOR flash firmware. Use the correct sn0wbreeze version.

Error 27

  • Trying to flash iOS 5 from an iPhone 3GS on a 3G Phone. Modify the so it would flash and also exchanged RestoreRamDisk and kernelcache.
  • Failed attempt of upgrading an iPod touch (5th generation) from an older iOS to iOS beta. Can be resolved by restoring to the latest public version and trying the upgrade again.

Error 28

  • Hardware error. Return your device to Apple if possible. The problem is a bad dock connector on the iPhone. Must change the connector.
  • If you have tried almost everything, reset the logic board (leave uncharged for five days c4430 error c++ remove battery for half an hour), then pwn and restore. If this doesn't work, the memory of your device is damaged.
  • Hardware is incompatible with iOS Version. Typically seen with iPhone 4 GSM models trying to be restore to iOS Can also be seen when trying to restore any geekgrade iOS 4 IPSW on an 8GB iPhone 4 (iPhone3,1).
  • Device has counterfeit display that is incompatible with a certain iOS versions (Typically iOS 5.X)

Error 29

See Apple's discussion thread number about this problem. You might need to change the battery.

Error 31

Main article: DFU Loop

Error 34

Hard disk is run out of space when trying to download. Clear space and then continue downloading.

Error 37

  • iPod touch (2nd generation)LLB patched with the 0x Segment Overflow was used on an iPhone 3GS custom firmware. Known on damaged bundles from unofficial PwnageTool distributions or bundles.
  • sn0wbreeze bug, which was fixed in
  • Recent sn0wbreeze can cause this issue. Deselect all custom boot logos, recreate IPSW. If received on an iPhone 3GS, error 1013 iphone 4, select "new boot-rom" and deselect all custom boot logos, then recreate the IPSW.
  • Attempting restore with an IPSW that was stiched with blobs not for your device (Usually a good thing if restoreing with a geekgrade beta IPSW or with your own creation). To boot, simply open redsn0w. Do fix recovery and tether boot after. Do not lock or device's LCD will fail.

Error 40

  • Hacktivation bug in sn0wbreezewhich was fixed in sn0wbreeze
  • NAND chip is dead (confirm with ASR output from restore log).

Error 45

  • Same with Error 6, materialk6.dll error 1114 terms of resizing partition issue. But this may occur at the very beginning of restore process.

Error 48

  • Dead/Malfunctioning baseband chip during restore/update, error 1013 iphone 4, try again and if it doesn't work, a hardware fix will be necessary.

Error 53

  • Happens on devices with damaged Touch ID, cause is most likely water damage. DFU restoring to iOS (13D20) or later will let the device boot but Touch ID will fail to work. Bring physical media error device to Apple if possible.
  • Can be an error with iTunes. In this case, change your DNS to and try again.

Error 56

  • Most likely a dead/glitched Touch ID sensor. If seen on iPad's, try restoring the latest firmware in DFU mode. If error error 1013 iphone 4 occurs, bring your device to Apple, error 1013 iphone 4. On iPhones, take out the SIM card and try restoring in DFU mode. If still occurring, bring your device to apple.

Errors 10xx


Error when restoring.


This is caused by a failure to match the Baseband Nonce currently in memory to the nonce returned in the Baseband FirmwareSHSH blob. This happens if you edited the error 1013 iphone 4 file (Saurik's Server) or you are using TinyUmbrella. Use TinyUmbrella and "Kick Device Out Of Recovery" to boot. 1


This is caused by recovery mode being in userland ( firmware). The file is damaged or updated, error 1013 iphone 4.


  • iPhone 4
    • This means that the baseband did not get updated. Either remove the entry from your hosts file and let the baseband upgrade or if you want to preserve the baseband just jailbreak at this point to boot it up.
  • Other Devices
    • Restart computer; change computer; reinstall system, if the device is always in restoring mode: XP users can jump from restoring mode with ibus; MAC users can use iNdependence. (usually on the iPhone with firmware downgraded from )


This occurs error 1013 iphone 4 you try to downgrade your device's baseband.


This error is common when downgrading iPhones and 3G iPads. The problem occurs when the device's baseband has a higher version number than the baseband in the firmware you restored to. Just set auto-boot true in iRecovery or use iREB/TinyUmbrella/RecBoot.1 In case this is not working use Pwnage Tool to create a custom firmware WITHOUT the iPad baseband, put your device in pwned DFU Mode and restore via iTunes.


Bad response from OR need iREB for preparing the device for restoring to custom IPSW

Errors 13xx


When Spirit2Pwn flashes parts of the boot chain on iOS 4, the device may crash into DFU Mode. See also a topic on iH8sn0w forums.

Errors 14xx


Restart computer; change USB port; reinstall system. See also KB TS


Restart computer; change USB port; reinstall system, error 1013 iphone 4.


Restart computer; change USB port; reinstall system.


Restart computer; change USB port; reinstall system.


Restart computer; change USB port; reinstall system. (downgrade from

Errors 16xx


  • Custom firmware can't be restored on a device with DFU Mode. The software of the device isn't patched. Using a jailbreak tool, enter a pwned DFU Mode. During that process the software gets patched and the custom firmware should run without any problems.
  • APTicket problems if you try to restore to iOS 5.x in the DFU Mode.
  • If truly stuck (even with an regular iTunes Restore), edit the hosts file and comment out the "" line
  • GetDeviceID: failed for iBoot (experienced on Windows 8)




  • Restart computer; change computer; reinstall system.
  • If this error occured 2012 bit error .aspx an Apple TV restore, then unplug the Apple TV from the power cable, after you entered the recovery or DFU mode, and then try it again.


False kernelcache patch. Known on damaged bundles from unofficial PwnageTool distributions or bundles. See also Apple's KB TA


Device was not pwned (signature checks were not blocked). Custom firmware can't be restored. Can also happen when there's a problem with the IPSW, error 1013 iphone 4.


iTunes tried to enter the Restore Mode, but the device turned back to the Recovery Mode. This can happen when updating an iPad 2 jailbroken with Saffron gets updated to iOS 5. In this case simply retry, as it is in Recovery Mode then anyway.

Error error 1013 iphone 4 system files or corrupt data in iTunes installation. Try to uninstall iTunes, restart computer, install again. This error also occurs for iTunes in Windows 8 for reasons currently unknown.


iTunes is too old and couldn't read the iPhone error 1013 iphone 4 Recovery or DFU Mode. Please update iTunes and try it again.


IPSW was moved during prepare with iTunes. Try it again and don't move the IPSW.


iTunes expected the device to be in a different state (Example: booted into iOS rather than jumping to iBEC).


Occurs when device is unplugged while the "iTunes will erase and restore your iPhone to iOS #.# and will verify the restore with Apple." dialog is shown. Check USB error 1013 iphone 4 and try again.

Errors 20xx

Errors (from KB TS): If you experience this issue on a Mac, disconnect third-party devices, hubs, spare cables, displays, reset the SMC, and then try to restore. If you are using a Windows computer, remove all USB devices and spare cables other than your keyboard, mouse, and the device, restart the computer, and try to restore. If that does not resolve the issue, try the USB issue-resolution steps and articles listed for Error If the issue persists, it may be related to conflicting security software.


  • The Mac OS X kernel extension "IOUSBFamily" that was bundled with late / early MacBooks, as well as the update, has a bug where it fails to properly recognize an iDevice in DFU Mode. It can be resolved by updating to (or later), or using a USB hub.
  • Close limera1n.


iTunes can't error 1013 iphone 4 because another program is using it or it's disconnected during the Apple Server check.


  • Connection problem; change USB cable and check USB port.
  • sn0wbreeze failed to restore IPSW; unplug and plug iDevice and try again


Problem connecting. Probably a hardware failure.

Supposedly reinstalling the USB drivers fixed the problem.


Replace the USB cable with a newer one and/or disconnect all other USB devices, then retry.


If you experience this issue on a Mac, disconnect third-party devices, hubs, spare cables, displays, reset the SMC, and then try to restore.

If you are using a Windows computer, remove all USB devices and spare cables other than your keyboard, mouse, and the device, restart the computer, and try to restore.

If that does not error 1013 iphone 4 the issue, see Error above. If the issue persists, it may be related to conflicting security software on your computer.

Errors 30xx


  • Update to an older firmware isn't working, because Apple is no longer handing out SHSHs for the device/firmware combination.
  • Or a timeout checking Apple server - retry later.
  • This error also happens if you try to Update with a local TSS server (TinyUmbrella tool) and probably also when connecting to Cydia Server, error 1013 iphone 4. Use Restore instead.
  • Error represents no update ramdisk when pressing Shift+Check for updates.


  • No internet connection during the firmware restore.
  • iTunes can't connect to Maybe Port 80 and Port is blocked. Open it on your router.



  • Bad hosts file. The SHSH request couldn't be completed. No connection to the Apple Server, Open your host file and remove any lines with"

Errors 31xx


Something dealing with movie rentals, error 1013 iphone 4.


QuickTime may be corrupted. You must reinstall it before iTunes will work. Windows users, also try turning off Compatibility Mode for QuickTime

  1. Right-click on ( for bit Windows) and choose Properties from the shortcut menu
  2. In the Properties window, click on the Compatibility tab. Deselect the checkbox labeled "Run this program in compatibility mode for"
  3. Select "Windows XP"
  4. Click Apply
  5. Close the Properties window


Occurs when trying to install an old firmware and Apple's server disallows the installation. The only solution is to have the SHSH blob backed up and modify the hosts file to point to Saurik's Cydia Server where they are backed up (or localhost if you have it yourself). Also happens if restoring to the latest iOS and the error 1013 iphone 4 point to Cydia. Remove lines in hosts file. Another message that this error can display is "not eligible for requested build".


Errors error 017 undefined symbol player name

You are trying to update to a firmware, when error 1013 iphone 4, there is only a Restore Ramdisk.

Errors 40xx


  • Connection to device is lost after the "Preparing iPhone for Restore" step but before the phone is actually wiped causing it to boot normally. Check USB connections and try again.

Errors 90xx


  • Error downloading, error 1013 iphone 4, try again.

Errors 98xx


Unknown error; try again

Higher Errors


A security software you have installed may be conflicting with iTunes, error 1013 iphone 4.


You're trying to access a section or a functionality that is not available in your country, for example iCloud in some countries.


  • Seems to be an issue with syncing media to the device It only seems to happen on jailbroken devices. Create new user, try syncing with new user's library. If that fails, error 1013 iphone 4, restore. If it doesn't fail, error 1013 iphone 4, then something on YOUR iTunes Library is causing the error.
  • In iPhone OS this was a known bug related to the sync process accessing iTunes-renamed Voice Memos.


  • Is caused by a custom theme pack on your Windows. Use default Theme.
  • This error can also be caused by the iDevice rebooting during the "Extracting Firmware" stage of restore.



This happened on a Mac with TinyUmbrella running before restoring a firmware to the Apple TV.

Hex Codes


Something dealing with programs monitoring Winsock; see TS for more information


Unknown error


Device was suddenly unplugged. iTunes couldn't connect with the device. Try it again


Error in your firmware files. Restore.


False permissions in the Carrier Bundle folder. Restore, update or fix the permissions from the carrier bundle to update the carrier settings via iTunes.


Device was suddenly unplugged. iTunes couldn't connect with the device. Try it again.


sn0wbreeze custom firmware error on Php 500 internal server error connection. Unplug the device, reboot it, and plug it in again.


Main article: MobileInstallation

IPA signature verification failed.


Unknown error


Unknown error

Error Texts

This device isn't eligible for the requested build (TATSU declined to authorize this image on this device for this user)

Main article: SHSH

See also: TinyUmbrella

Apple doesn't sign the firmware anymore. If your device has an S5L or S5LSoC or an A4 to A11 SoC and you have saved your SHSH blobs for the firmware you are restoring to, you are doing something incorrectly. If you don't have SHSH blobs for the firmware you are restoring to, there is nothing you can do. If you are restoring to a device with an A12 or newer SoC, there is no (publicly disclosed) bootrom exploit to restore to older versions of iOS. You should still save your SHSH blobs in case an exploit is discovered. However, Odysseus, OdysseusOTA or OdysseusOTA2 can error 1013 iphone 4 used if the user has SHSH blobs, but it only works on some iOS versions and requires the device to be currently jailbroken.

The (Apple TV/iPhone/iPod/iPad) "XXXXXX" could not be restored because the firmware file is not compatible.

You are using the wrong firmware file (or error 1013 iphone 4 corrupt). Download the correct firmware file that matches your device. The firmware file's filename will contain the internal identifier of the device it's intended for.

To determine which firmware should be downloaded, find your device's model numbers on Models. Look at the "Identifier" column; when downloading firmwares, the URL must contain that string. Alternatively, if you have iTunes 11 or later, you can click the device and click where the serial number is three times to show the "Product Identifier", error 1013 iphone 4, which will show you what firmware you need. Once you have the identifier, error 1013 iphone 4, visit Firmware and find the version you want for your device.

The (Apple TV/iPhone/iPod/iPad) "XXXXXX" cannot be restored at this time because the iPhone software update server could not be contacted or is temporarily unavailable.

If you want to upgrade or downgrade the baseband, make sure you didn't change the hosts file to add the Cydia Server. Cydia cannot handle the requests for the baseband certificates. Maybe you tried to use SAM Activation method.

There was a problem downloading the software for the (Apple TV/iPhone/iPod/iPad) "XXXXXXX" the network connection was reset, make sure your network settings are correct and your network connection is active, or try again later.

You need to disable both your Anti-Virusand your windows/security firewall in order for the update/restore to go through.

  • 1 Use TinyUmbrella (Kick Device out of Recovery), iRecovery or redsn0w Lite and enter "setenv auto-boot true", "saveenv", "reboot" to boot.
  • 2 Device isn't bootable, but a custom firmware can be restored if it has a jailbreak and the requirements.

Tech-Exclusive for Mac steps]

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Can't restore iPhone 4s error iTunes errors when restoring, updating and syncing iPhone, error 1013 iphone 4, iPod Touch and iPad (error codes, causes and solutions). An attempt to solve the problem by software methods

It may happen to you that you are trying to restore your iPhone, but no matter what you do, the iPhone will not be restored because iTunes Error 21 or iPhone Error 21 keeps popping up! It's like whack-a-mole, you keep trying to restore, but that hellish iPhone Error 21 comes up again. Typically, these errors are the result of some security software package interfering with your recovery, and this usually has an easy fix.

So here we'll show you 8 different ways by which you can fix iTunes Error 21 or iPhone Error 21, recover with ease, and keep using your device!

What is iTunes Error 21 (iPhone Error 21)?

Now, before we get to the nitty-gritty of how to fix iTunes Error 21, I'm sure you must be won-dering what iTunes Error 21 (iPhone Error 21) to start with, and why it has this weird obsession with your phone! The most common reason for iTunes error 21 is that your iTunes is trying to download recovery files (.ipsw) but is unfortunately being blocked from authentication. This may be due to a hardware error, or there may have been a communication failure between the device and the server. However, don't worry, we'll show you how to fix this iPhone error 21 easily and effectively and get back to leading your iPhone consumed life!

Solution 1: How to fix iTunes error 21 or iPhone error 21 without data loss

One of the biggest concerns you'll probably have when trying to restore yours and trying to fix iPhone 21 errors is whether or not your data is safe. It's a legitimate concern as many methods out there can or will certainly result in data loss. That's why we start our list with a technique that can ensure there won't be any data loss. To ensure this you can use a very easy to use and user friendly software called - iOS System Recovery.

Your memories and data are all precious and you shouldn't risk them. seems to put a lot of emphasis on data saving and as such is a recommended tool for fixing iPhone Error Besides, its user-friendliness and military-universal nature helps as well.

Steps to fix iTunes error 21 with

Step 1. Select "iOS System Restore"

After launching alpine unit error, you will find "iOS System Restore". Click on it.

Step 2 Connect iPhone

Connect your iPhone via cable and let detect it. Click the "Start" button to continue the process.

Important: Please note that when fixing the issue - iPhone stuck on Apple logo, the IOS operating system on your iPhone will be updated to the latest version. And if the device is jailbroken iPhone, then it will be converted back to no jailbroken state.

Step 3 Download Firmware will detect your iPhone model and suggest the latest iOS version for you to download. Just click on the "Download" link and wait for the process to complete.

Step 4 Fix iTunes Error 21

Once the download is complete, will automatically start iOS repair, except this time you won't be bothered with iPhone error 21 message!

Solution 2: Restart iTunes to fix iTunes error 21

Now this is just a nominal measure that you error 1013 iphone 4 look at, akin to how sometimes turning it off, switching to the computer fixes some problems. If there is a real problem, this method will be helpless in front of it, but if the iPhone error 21 is a temporary glitch, this should take care of it. Do you remember, as I said before, that iTunes error 21 is the result of iTunes being blocked. Well, sometimes just restarting iTunes and then starting the recovery process again might be enough to fix iTunes Error So you might want to' lead with that.

Solution 3: Fix pesterchum error 10061 Error 21 by updating iTunes

Updates to all Apple products may be needed as they help fix bugs and whatnot. So if you've been holding onto updating your iPhone because you have a slow network, or because your phone is jailbroken or for whatever reason you might have, now is the time to update it. Get the latest version of iTunes and you may be able to fix iTunes Error

How to Fix iTunes Error 21

  1. Open iTunes.
  2. Go to Menu > Help.
  3. Select Check for Updates.

Solution 4: Turn off Anti-Virus to fix iPhone error 21

Many times the proper functioning of certain vital programs can be hampered by anti-virus as error 1013 iphone 4 can be corrupted or be threats. In this case, turning off the Anti-Virus helps to access these programs independently and possibly update the device.

Solution 5: Remove unnecessary USB devices

You can try to fix iPhone Error 21 by removing all unnecessary external devices from your computer, as they may have programs that get in the way of proper recovery and bring-ki to iPhone Error

Solution 6: Check the sensor cable

This method sounds like complicated or risky. However, it is not, not unless you do it exactly the way it should be done. It's sorta like defuse a bomb, cut the wrong wire and the device goes boom! Well, not literally, but you get the picture. However, if you do it right, you may be able to fix iPhone Error All you have to do is open the device, confiscate the screw that connects the battery. Disconnect the device cable and put it back together. This can help, although it seems like a rather extreme and risky measure, especially given that you have a much more secure and acceptable option in from .

Solution 7: How to fix iTunes error 21 via recovery mode

This method involves you trying to fix iPhone Error 21 through DFU mode. DFU stands for device firmware update and provides full iPhone recovery. While this guarantees fixing iPhone Error 21, it does not guarantee that all of your data will be safe. Thus, only use this method if you have exhausted all other options. Here is how you can do it.

Fix iTunes Error 21 or iPhone Error 21 via Recovery Mode

Step 1. Put your device into DFU mode.

Step 2 Connecting to iTunes.

Connect your iPhone to your computer and access iTunes.

Step 3 Restoring iTunes.

  1. Open the "Summary" tab in iTunes, error 1013 iphone 4, and then click the "Restore" button.
  2. After recovery, the device will restart.
  3. When asked to "Slide install," just follow the install.

This solution is most likely to fix iPhone Error 21, however, as I said earlier, it restores your phone to factory settings without giving you the option to create a backup. This will result in significant data loss, unlike the alternative.

Solution 8: Check for modified or outdated software

iTunes error 21 can be caused due to outdated or corrupt software. You may be using an older version of iTunes, in which case you should refer to and update it. Perhaps you are trying to install an older version of IOS, in which case you should find the latest version and install that.


In listing the various methods by which you can fix iPhone Error 21, we do not discrimi-NAT between the various methods. We believe that you should have the maximum strength of a decision, which is why we have listed them all, along with their pros, cons, as well as risks, error 1013 iphone 4. For example, some of the methods are significantly risky and can result in severe data loss, some of them can even destroy your iPhone if not handled well, and most of them offer no guarantee of success. So my personal recommendation is to go with as it is a guarantee against all the risks I just mentioned. But hey, the choice is in your hands! We just hope you make the right call and then make the general one below so we know which method works best for you!

All iPhone users often face the need to update their phone. Updates traditionally happen through a program on your computer called iTunes. But what to do if you just put your iPhone or iPad into recovery or the update is almost over, but then suddenly a failure appears on the screen: “iPhone “iPhone” cannot be restored. An unknown error has occurred (21)." What could be the reasons that it was not possible to restore iphone 4s or iphone 4 and error 21 hindered us? How can I fix this error myself? We will try to help you with this article.

Error 21 when restoring iPhone 5 and 5s

Of course, Apple releases products that are very rarely affected by time and breakdowns happen quite rarely than in other phones, but alas, there are problems here, most often found in iPhone 4 and 4s.

What can cause error 21?

The error itself carries the concept of a device malfunction. Therefore, first of all, make sure that all interacting devices are working properly.

  • Device incompatibility;
  • Wrong connection;
  • USB port malfunction;
  • Using a non-original charger;
  • Phone drop;
  • Outdated smartphone updates

How to fix the problem?

Another option for advanced users

Another reason why the problem “iTunes could not restore iphone 5 error 21” could be the failure of the DFU mode during jailbreak, and this is exactly the way in which the user has the opportunity to have full access to the absolute entire file of the smartphone.

To fix this problem, you need to use the special program redsn0w_win_b3, with which you can restore the phone using DFU mode. To do this, use the following instructions:

  1. You need to connect your smartphone to your computer via USB, and then launch iTunes.
  2. The next step is to hold down the main key and the power key for about 10 seconds.
  3. The next step is to release the power button, but still hold the main key until iTunes detects your iPhone, which is in a recovery state.
  4. Now the smartphone is in the DFU process, nothing should be shown on the display.
  5. Being in this state, iTunes will still perceive the iPhone for data recovery. As soon as you see the error message 21 again, start the IPSW recovery
  6. At the end of the process, this problem should no longer be displayed on the screen.

If none of these methods could solve this problem, then we advise you to contact the service center. Because the smartphone could be damaged from the slightest fall. It is possible that damage to individual internal parts of the smartphone has happened or some individual parts have burned out, and without the glance of an experienced craftsman you will not recognize this problem.

Any modern telephone will function normally only if all its systems work without interruption. This applies to both software and hardware devices. If the software has been flashed or updated improperly, then there is a big risk of seeing an error on the smartphone screen. Therefore, installing third-party programs and utilities is highly discouraged when using phones such as the iPhone.

By the way, it is iPhones that most often bring inconvenience to their owners. It's not that Apple produces low-quality products. On the contrary, the phones of this manufacturer are considered one of the most durable and reliable devices. The problem is that users very often install applications on smartphones that are not compatible with the iPhone system. Most often, error 1013 iphone 4, the owners of "apple" products are faced with error Let's take a closer error missing element_declaration_in_dtd at what this may be due to. How to fix the situation?

The reasons

If error 21 appears on the phone, then this is not the most dangerous problem. However, it brings many inconveniences. Such a code may appear on the phone screen if:

  • An error occurred while downloading updates. Error 21 is especially common when updating iTunes packages.
  • iTunes registries have been damaged, for example, if the owner of the phone updated the software manually.
  • A virus has broken into the software. Most often, this happens due to an unsecured operating system installed on the computer.
  • A program conflict has occurred. For example, if the user installed a new utility that removed or blocked some of the files error 1013 iphone 4 with iTunes.

There are a lot of factors that can affect the operation of the system. In addition to error code 21, owners of modern add_install_client error unknown client often encounter other number combinations that appear on the device screen. However, most of these errors in one way or another are usually associated with a failure in the software update process.

Creating a backup

Before you start any manipulations with the phone, you need to copy all important information from it. Of course, for this you do not need to rewrite everything in a notebook. Enough to create a backup. Fortunately, the iPhone allows you to do this very quickly. In order to save files from a smartphone, you must:

  • Connect phone to PC.
  • As soon as the computer recognizes the device and notifies you about it, you need to right-click on the icon.
  • Select "Create a copy" from the context menu.

Standard reset

This method is a universal way that will get rid of the "glitches" of the smartphone. However, it download dj skinhead extreme terror mp3 be borne in mind that when resetting the settings, all user information (pictures, photos, videos and other files) will be completely deleted. That's why it's so important to create a backup first. It is also recommended to immediately download the latest versions of iTunes and iOS from the official website of the manufacturer.

After that, you need to perform the standard firmware as follows:

  • Go to the iCloud section and turn off the iPhone search function. If the phone version is below 5, then this step is not needed.
  • Connect your smartphone to PC and turn on iTunes. The program may start automatically.
  • Next to the iTunes Store button there will be an icon with the image of the device. You need to click it and go to the settings.
  • Click on the "Restore via iTunes" button and at the same time hold down the Shift key on the computer. If the recovery is carried out through a Mac, then hold down Alt.
  • The following dialog box will appear on the screen, in which you must specify the path to the previously downloaded fresh OS files.

After recovery, the device will enter Recovery Mode. The settings will be reset to factory settings. At the next error 1013 iphone 4, it will be possible to return the files from the backup to the phone. If error 21 appears again, then continue.

recovery mode

In this mode, you can also try to fix the error. True, in this case, you will also have to first save all the necessary documents error 1013 iphone 4 contacts from the phone book.

  • Disable device.
  • Press and hold the Home key.
  • Without releasing the button, connect your smartphone to the PC.
  • The media player icon will appear on the screen, and the system will report that the gadget has switched to Recovery Error 1013 iphone 4 iTunes does not download automatically, you must force the program to start. A notification should appear on the screen stating that the device has been recognized by the media player.
  • After that, the same steps are performed as in normal mode recovery.

At the final stage, you must specify the path of the new firmware and enter the Apple password.

Summing up

If error 21 on the iPhone has not disappeared, then the problems may be more serious than it might seem at first glance. In this case, you need to contact a specialized service center and diagnose the device.

Happy owners of the iPhone are repeatedly contacted with the procedure for updating or restoring the device they bought through the official program from Apple - iTunes. However, some serious troubles can sometimes occur when restoring, and one of them is error 21, which occurs on both the iPhone 5S and iPhone 4S. This unknown error prevents the user from performing the procedure he needs, and as a result, a person sees information on the monitor screen - “Failed to restore iPhone”.

What is error 21

This problem, error 1013 iphone 4, according to experienced specialists, is connected precisely with interruptions in the hardware of their own gadget, error 1013 iphone 4. This error could be caused by malfunctions of the modem, internal boards, and so on. With a small bump or fall, the iPhone may be hlcsg error error opening perfect, but inside with some kind of microcircuit, unpleasant consequences could occur, which in the future led to error

iTunes error 21 - ways to fix the problem

Although error 21 occurs exclusively with mechanical c error incomplete type, there are actual methods that sometimes help to cope with this problem at home.

List of useful recommendations from experts:

  • Install new drivers on a PC or laptop;
  • Use the latest version of iTunes;
  • Make sure the cable is working;
  • Restart your computer;
  • If you have experience and the necessary skills, try to change the firmware on the iPhone yourself;
  • Finish the update (restore) procedure on another personal computer.

If none of the above proposed manipulations helped in solving this problem, then it is definitely necessary to contact professionals who repair mobile equipment. However, do not think that you will have to pay a large amount for, there is a possibility that the software elements are incompatible and the specialist will only select a new firmware.


Updating and restoring iPhone is an important procedure that is used by a huge number of people around the world. And, if any errors occur during nternal error code, arguments [kgskrunnextint_state] process, before contacting the help of specialists, you can carry out some procedures personally in order to save money. But if nothing happens during the process, it’s better not to be a hero, because there is a chance to make it worse.

Sometimes when restoring, updating, and syncing iPhone, iPod Touch, and iPad in iTunes, unknown errors occur, and you can't complete the necessary actions with your iOS device. In our directory you will find a decoding of the error and possible solutions.

Errors that occur during the restore / update and synchronization process can be both software and hardware-related problems in the iPhone, iPod Touch and iPad: some are quite simple to fix (restarting the computer or changing the USB port), others require hardware repair.

iTunes errors occur when:

  • , iPod Touch and iPad with iTunes;

Classification of iTunes errors

  1. Communication Problems (Network Errors)
    iTunes errors: 17,error 1013 iphone 4,, error 1013 iphone 4,,
    Notifications may also appear:
    • "An error occurred error 1013 iphone 4 downloading the software."
    • "The device is not supported for the requested build."

    These errors and warnings appear when there is a problem connecting the computer to the Apple update server or to the device.

  2. Problems with security software settings (firewall, antivirus, firewall)
    iTunes errors: 2, 4, 6, error 1013 iphone 4, 9,,
    These errors are caused by antivirus, error 1013 iphone 4, Windows firewall or firewall blocking connection to Apple servers.
  3. Device USB connection issues
    iTunes errors: 13 14 its completion.
  4. Hardware problems
    iTunes errors:(-1), 1, 3, error 1013 iphone 4, 11, 12, 13, 14, 16, 20, 21, 23, 26, error 1013 iphone 4, 27, 28, 29, 34, 35, 36, 37, 40, 53, 56,,or
    Occur in case of hardware malfunctions with symerr.exe symantec error analyzer iPhone, iPad and iPod Touch: with a modem, with a Wi-Fi module, power connector, battery, and so on.

Standard iTunes Error Troubleshooting

Most errors in iTunes can be fixed by yourself:

  1. Remove or end programs on your computer that may be blocking iTunes from connecting to Apple's update server.
  2. Turn off security software while restoring or updating your iPhone and iPad.
  3. Use the original USB cable to connect iOS devices to your computer. Otherwise it's possible. Try to replace it.
  4. . On a desktop computer, you should use the USB ports located on the motherboard. It is not recommended to connect an iPhone or iPad to the USB ports on the multimedia keyboard, USB hub or on the front panel of the system unit - errors may occur when connecting the device.
  5. Completely uninstall iTunes and all its components using "uninstallers", error 1013 iphone 4, the Uninstall Tool (for Windows), for example. Then install the latest version of the program.
  6. Restore/Update iPhone/iPad on another Windows or Mac computer.

The table deciphers all known iTunes error codes when error 1013 iphone 4, updating, syncing, and downloading content from the iTunes Store and provides possible solutions.

A Guide to iTunes Errors and How to Fix Them

Error numberMost likely causeRecommended Solution
Error numberMost likely causeRecommended Solution
1 The firmware is not supported by the device or the version of iTunes is outdatedMake sure that you are using the firmware for your device model and
2 The firmware is recognized but not properly assembled and packaged and therefore cannot be used. Occurs when working with custom firmware with hacktivation and unlock in which a bad ASR Patch is used (The problem is relevant for Sn0wBreeze versions below )Use a different firmware
3 A problem with the modem part of the device
4 iTunes cannot connect to Apple service serversThird-party programs may be blocking ports on your computer and preventing iTunes from connecting to Apple servers.
Check the settings in the hosts file in /windows/system32/drivers/etc/ for records like "". If the line is present, error 1013 iphone 4, precede it with a # sign and save the changes. Try again
5, 6 Impossible to install the firmware due to damaged boot logos, or because the device is turned on in the wrong utility mode (for example, if the firmware is designed for DFU Mode, error 1013 iphone 4, and you are trying to recover through Recovery Mode), if it doesn't error 1013 iphone 4, create your own firmware or download another one
8 The firmware is not supported by the device (for example, you downloaded the firmware for the wrong generation of the device)Download the firmware supported by your device model
9 Kernel panic in iOS device when working with firmware. Usually occurs when the data transfer via the USB cable is interrupted, or when the firmware is incompatible with the selected recovery modeRestore the firmware via Firmware Upgrade Error 1013 iphone 4 (DFU Mode). Check if the device is mechanically connected to the computer. Plug the cable into a different port or change the USB cable
10 Custom firmware was assembled incorrectly due to which the low-level LLB loader was damaged or completely missing
11 A number of files required for download were not found in the ipsw firmware fileCreate a custom firmware yourself, or download another custom firmware
13 Problem with USB cable or pin (lightning) connector, or trying to install iOS beta from Windows environmentReplace the standard cable or change the USB port. Disable USB support in the BIOS of your computer
14 In the process of flashing, a violation of the integrity of the ipsw firmware file was detectedTurn off your anti-virus software, turn off your firewall, change the USB cable or connect your iOS device to a different port on your computer, download a different firmware
17 Upgrading from one custom firmware to sql nowait error custom firmwareTo update to custom firmware, use the recovery mode () or firmware update mode (DFU Mode)
18 iOS device library is corruptedIn most cases, only a flashing will help
19 "iTunes could not sync to iPhone '[iPhone name]' due to an unknown error ()." The error occurs after updating iPhone 3G, iPhone 4 to a later version of iOS, during the backup in the process of syncing iPhone with iTunes.Uncheck "Sync automatically when iPhone is connected" on the "Browse" tab in the "Devices -> Model of the connected device" menu in iTunes, remove and connect the iPhone. Then sync again. If the error repeats, you need to restore the device to a new firmware, before that, create a backup in iCloud so that you do not lose user data after restoration.
20 Device turned on in Recovery Mode instead of DFU ModeTurn on the device in DFU Mode
21 There was a DFU mode error while jailbreaking.
Error 21 occurs due to hardware problems (dead battery, low charge).
To enable the device in DFU Mode, use the Pwnage Tool, sn0wbreeze or redsn0w utilities.
If the above measures do not help, you should fully charge the battery, if error 1013 iphone 4 does not help, the battery of the device will need to be replaced.
23 Unable to read the IMEI or MAC address of the device (at least iTunes cannot do this)If the problem persists on other firmware versions, it is most likely a hardware problem.
26 The custom firmware was assembled incorrectly and, as a result, an error occurred when accessing the NOR memoryCreate a custom firmware yourself, or download another custom firmware
27, sometimes 29Cycling error in iTunes versions to Update iTunes to version 10 or later
28 Mechanical damage to the bottom cable or dock connector in the deviceContact an Authorized Service Center
29 Hardware problem with battery, error 1013 iphone 4, bottom cable or power controllerContact error 1013 iphone 4 authorized service error 1013 iphone 4 to replace the battery, cable or power controller
31 The device cannot be taken out of DFU mode. Most often occurs due to hardware problemsContact an Authorized Service Center
34 Not enough hard disk space to install the softwareFree up space on the drive where php halt on all errors is installed
35 Incorrect iTunes Folder Permissions in Mac OS XLaunch Disk Utility and restore permissions. (in enter the command: sudo chmod -R /Users//Music/iTunes/iTunes Mediawhere is the username)
37 The low-level bootloader (LLB) in the firmware does not match the device modelCreate a custom error 1013 iphone 4 yourself, or download another custom firmware
39, 40,No access to activation and signing serversTurn off Windows Firewall and antivirus programs.
54 Software failure while transferring data from the device. In most cases, error 1013 iphone 4, it occurs on unauthorized computers or when transferring hacked applicationsDelete "old" backups. Deauthorize your computer from the iTunes Store (Store menu in iTunes) and try again
Age limit for downloadable contentIn yours, change the year of birth (in iTunes in the menu "Store -> View my account")
Unknown error while copying firmware files to deviceRepeat the flashing procedure
Temporary issues on Apple servers (shsh hashes for device not received from server)Repeat the flashing procedure later
Apple ID contains invalid charactersChange your Apple ID without using prohibited characters. Try not to use anything other than Latin letters and numbers in your Apple ID
, Hardware problem with the modem part of the iPhone or iPadTry. If the error persists, contact the service center
iTunes trying to downgrade modem on iPhone/iPadThe flashing was successful, but the iPhone / iPad cannot boot to iOS with a lowered modem firmware on its own. In the TinyUmbrella utility, use the "Kick Device Out of Recovery" feature (Exit the device from recovery mode)
Apple activation servers are temporarily unavailableTry activating your device later
Problem syncing photos from iPhoto on Mac OS XDelete the iPod Photo Cache folder (from the context menu of the iPhoto library file, error 1013 iphone 4, select Show Package Contents and delete the folder
Damage to system files in the device as a result of an unsuccessful jailbreakRestore your device and re-jailbreak
Error when transferring data via USB cableCheck the USB connection between the device and the computer, the integrity of the cable and the good condition of the USB port. Change port
, Device not recognizedMay indicate a hardware problem. Change the USB cable, connect the device to a different USB port, connect the device error 1013 iphone 4 another computer
Unable to make changes to iTunes library fileOn Mac OS X, restore permissions, error 1013 iphone 4, on Windows, check the owner and permissions of the iTunes library folder
, Recovery to custom firmware is done in DFU Mode, although it should be done from Recovery ModeEnter the device in Recovery Mode and try again
iTunes can't get full access to the deviceDisable all background processes, change USB port or USB cable, reinstall iTunes
iTunes was unable to detect the device while preparing to updateCheck the hosts file for entries like "", if any, comment them out (insert the "#" character sqlplus internal error 45 the line). Disable all background processes, change USB port or USB cable
, Trying to restore a device without jailbreak to custom firmwareRun on the current firmware. Please note that jailbreaking with Spirit and JailbreakMe is not complete and will also lead to similar errors.
the moment of silence error components are corruptedReinstall iTunes
The version of iTunes to work with your device is out of dateUpdate iTunes to the latest version
iTunes cannot with the device in DFU mode, in normal mode it successfully recognizes itUpdate iTunes to the latest version
Third party programs are accessing the firmware fileClose all programs running in the background, turn off the firewall and antivirus, restart your computer
iTunes was unable to recognize the device in active modeRestart your iOS device, restart iTunes
Problem with Mac OS X driversUpdate Mac OS X to the latest version
iTunes access to the device is blocked by other system processesClose running programs, error 1013 iphone 4, disable antivirus, restart your computer
Problem with USB portConnect the device to another USB port or another computer
Damaged USB cableReplace cable
,No access to firmware signing serverAccess blocked by third party application, turn off firewall error 1013 iphone 4 antivirus
,iTunes can't download videos due to hash errorsUpdate iTunes, find and delete the "SC Info" system folder ( Windows 7: ~\Documents and Settings\All Users\Application Data\Apple Computer\iTunes ; MacOS X: ~/users/Shared/SC info)
, It is not possible to request a suitable SHSH hash from the firmware signing server. The error occurs if iTunes is configured in the hosts file to redirect iTunes to the Cydia server manually or using TinyUmbrella, but there are no saved hashes for this firmware on the serverClose TinyUmbrella and delete (comment out) the line like "" from the hosts file
Too long does not receive a response from the activation server AppleRestart your computer, force refresh your internet connection, error 1013 iphone 4.
If the error occurs already during the recovery process (the error 1013 iphone 4 bar fills up on the device screen runtime error 2176 the logo), download and install Hotspot Shield. Run the program and try recovery again.
iTunes can't communication error 9997 timeout during operation videosDeauthorize your computer in iTunes and sign in again
Damaged QuickTime componentsReinstall QuickTime and its components
SHSH digital certificate is corruptedRestore your device through iTunes
The custom firmware is missing the necessary imagesCreate a custom firmware yourself, or download another custom firmware
Conflict with other connected USB devicesTry disconnecting all USB cables from the computer, except for the keyboard, mouse, and iOS device
, Critical error during update/restoreTry to restore the device in DFU mode, it is advisable error 1013 iphone 4 use a different USB cable
The device is disconnected from iTunes during a restore or update. iTunes can't put iOS device into recovery modePerform the restore/upgrade on a different computer and/or with a different USB cable.
iTunes Store Error: Unable to complete paymentCheck your activex chrome runtime error card information
,Unable to restore a file download from the App Store or iTunes StoreClear the contents of the "iTunes Media/Downloads" folder ( Windows 7: ~\Users\Username\Music\iTunes\iTunes Media\Downloads)
iTunes plugins that are incompatible with the new version break the programDelete installed iTunes plugins, error 1013 iphone 4. Often the problem is related to the process, error 1013 iphone 4, end it
Problem uploading firmware to iTunesDisable firewall and antivirus, download iOS manually
iTunes is not communicating with the digital signature verification serverDisable firewall and antivirus
Corrupted or invalid Keychain certificates in Mac OS XClear Safari Cache (Safari -> Reset Safari)
Timed out to connect to iTunes servicesTurn off your firewall and antivirus, update iTunes, re-sign in with your Apple ID in the iTunes Store
Irreversible iTunes Library System File CorruptionReinstall iTunes or delete the iTunes Library file and .itdb files in the iTunes folder
, The system is loaded with processes that prevent the normal operation of iTunesClose background applications, turn off firewall and antivirus, restart your computer
iTunes library error when trying to syncCheck your iTunes library canon ir2016i error e000007 corrupted or incompatible files
iTunes conflict with Windows GUIOn Windows, turn on the default theme
iTunes conflict with TinyUmbrella utilityUpdate TinyUmbrella to the latest version and restart your computer
-1 Critical modem errorOccurs when updating the iPhone without upgrading the modem firmware version. Use or to get your iPhone out of Recovery Mode.
If the utilities don't help, the problem is hardware and the iOS device needs to be repaired by an authorized service center.
, Unable to download music from the iTunes StoreUpdate iTunes to the latest version, re-sign in with your Apple ID in the iTunes Store, turn off your firewall and antivirus
iTunes not communicating with Apple serversUpdate iTunes to the latest version, re-sign in with your Apple ID in the iTunes Store, error 1013 iphone 4, turn off your firewall and antivirus, reinstall iTunes and QuickTime
The integrity of the downloaded files has been violatedRetry downloading content via iTunes
Incorrect permissions on the iTunes program file in Mac OS XRun Disk Utility and restore permissions
iTunes Gammu gsm_getnextsms failed with error unknown[27] connection timeout exceededCheck your internet connection
,iTunes Store Purchase Time ErrorSet the correct date and time on your computer
iTunes Store download blocked by security systemIn iTunes, error 1013 iphone 4, sign out of your account, restart iTunes, and sign in to the iTunes Store again with your Apple ID
0xE, 0xEBThe device was turned off unexpectedlyDisconnect your device from your computer, restart iTunes, and reconnect your device
0xEError syncing iOS device with iTunesRetry sync
0xECorrupted (irreversibly) iOS system filesRestore your device
0xEDIncorrect permissions on cellular operator configuration files (Carrier Bundles)If the iOS device is jailbroken, fix the permissions on the carrier settings files (on iPhone/iPod Touch/iPad: /System/Library/Carrier Bundles), delete all custom carrier bundles (Carrier Bundles), restore the device
0xEError when flashing a device with a custom build of iOS. As a rule, this error occurs when working with firmware compiled in sn0wbreezeReboot the computer, try again, if unsuccessful, re-create the firmware
0xEAn attempt was made to install an unsigned (cracked) application. Occurs when installing apps on a jailbroken deviceInstall AppSync from Cydia for your version of iOS
0xE (iPhone 4)The error occurs most often when activating the iPhone 4.It is solved with the help of an attached downgrade to the GeekGrade_IPSW firmware, followed by booting from Boot_IPSW to redsn0w.
The whole procedure is described in
error 1013 iphone 4


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