I cant restore my phone

i cannot turn my phone on or connect it to itunes or anything. i was told u hold down the power and home button for 10 seconds then let go of the power button but keep the home button held, so i did this. the phone did then connect to itunes and i clicked restore, it nearly finished then came up it cannot be restored due to unkown error (21). does anybody know why this has happened? or can tell me what to do please!

Try these suggestions:
Check USB connections
If there’s an issue with the USB port, cable, dock, or hub, or if the device becomes disconnected during restore, try troubleshooting the USB connection, then troubleshooting your security software.
Common errors: 13, 14, 1600-1629, 1643-1650, 2000-2009, 4000, 4005, 4013, 4014, 4016, “invalid response”, and being prompted to restore again after a restore completes.
To narrow down the issue, you can also change up your hardware:
Use another USB cable.
Plug your cable into a different USB port on your computer.
Try a different dock connector (or no dock).
Add (or remove) a USB hub between your device and computer.
Connect your computer directly to your Internet source, with no routers, hubs, or switches.
If you see your error after changing your USB connections, continue to the next section to troubleshoot your hardware.

Similar Messages

  • I was updating my iphone 5 to ios 7 but i cancelled it by forcing a shut down as there was not much battery left so now its in restore mode and i cant restore my phone now it says error 3194 and ive tried the sudo code but it still doent work help?

    i was updating my iphone 5 to ios 7 but i cancelled it by forcing a shut down as there was not much battery left so now its in restore mode and i cant restore my phone now it says error 3194 and ive tried the sudo code but it still doent work help?

    Unable to contact the iOS software update server gs.apple.com
    Error 1004, 1013, 1638, 3014, 3194: These errors may be the result of the connection to gs.apple.com being redirected or blocked. Follow these steps to resolve these errors:
    Install the latest version of iTunes.
    Check security software and ensure that communication to gs.apple.com is allowed. Follow these steps for assistance with security software.
    Check the hosts file. The restore will fail if there is an active entry to redirect gs.apple.com. Follow the advanced iTunes Store troubleshooting steps to edit the hosts file or revert to a default hosts file. See "Blocked by configuration: (Mac OS X/Windows) > Rebuild network information."
    Try to restore from another known-good computer and network.
    If the errors persist on another computer, the device may need service.

  • Okay i updated my iphone 5 and i changed my password and now i dont remember it i cant restore my phone because my power botton does not work so what should i do PLEASE HELP!!!!!!! Thanks

    okay i updated my iphone 5 and i changed my password and now i dont remember it i cant restore my phone because my power botton does not work so what should i do PLEASE HELP!!!!!!! Thanks

    Hi sigrun from mo,
    If you are having a button issue on your iPhone that prevents you from doing further troubleshooting, you may need to have the phone serviced. You may find the following page helpful:
    Service Answer Center - iPhone
    http://support.apple.com/kb/index?page=servicefaq&geo=United_States&product=ipho ne
    Regards,
    - Brenden

  • HT1766 itunes  cant restoring my phone backup

    i'm restoring my backup on my new apple iphone 5s. but every time itunes unable to restore it. even i cant restore backup on my older iphone 4

    What is the error code you are seeing when you try to restore and it fails?

  • HT201263 i cant restore my phone, I keep getting a message to turn off find my iphone, cant get into it b/c my daughter change the password and doesn't remember the password

    help, i need to restore my phone, I keep getting an error to turn off find my iphone,  I can't get into the phone b/c my daughter change the password and doesn't remember what she changed it to.

    Remove an iOS device or Mac on which you can’t turn off Find My iPhone
    If you can’t turn off Find My iPhone on the device, turn off the device so it goes offline, then remove it from Find My iPhone on iCloud.com.                        
    Note:   If you have an iOS device, you can also remove your device by first erasing it—just follow the instructions below to remove a device you don’t have. You can later restore the device from an iCloud or iTunes backup.                            
                               Turn off the device.                       
                               Sign in to icloud.com/#find on another computer with your Apple ID (the one you use with iCloud).                                                      If you’re using another iCloud app, click the app’s name at the top of the iCloud.com window, then click Find My iPhone.                       
                               Click All Devices, select the offline device, then click Remove from Account. If you don’t see Remove from Account, click All Devices again, then click the Delete (x) button next to the device.                                                      If the device comes online again, it will reappear in Find My iPhone. To make sure your device doesn’t reappear, turn off Find My iPhone on the device (follow the instructions above to remove an iOS device or Mac), or if you have an iOS device, you can erase it, then remove it (follow the instructions below to remove an iOS device you no longer have).                          

  • HT201210 i cant restore my phone or up date it

    just got this phone and i am trying to restore it and update it as i byed it secound hand and trying to get it up and runing

    Sounds like you're trying to downgrade the OS. tsk tsk tsk...
    http://support.apple.com/kb/TS3694#error1015
    Or it is probably jailbroken.

  • HT4623 itunes cant restore my phone and its not coming on

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    Try here first.
    http://support.apple.com/kb/HT1808

  • Hey I need help! my icloud account got hacked! please! I cant restore my phone because I need the icloud password! I dont know how reach out to a apple employee!

    HELP! MY ACCOUNT GOT HACKED! PLEASE IF A APPLE WORKER IS READING THIS I NEED HELP ASAP! PLEASE PLEASE! I HAVE THE MOST IMPORTANT PHOTOS OF MUMUM WHO PASSED LAST YEAR BACKED UP! PLEASE PLEASE PLEASE! MY EMAIL WAS [email protected] and now its all gone-- pleaseeeeeee! someone has got to be there!

    You need to contact Apple's Account Security team. To do this, click here and pick a method; if that page doesn't list one for your country or you're unable to call, fill out and submit this form.
    (112448)

  • I restored my iphone and now it has a password on my backup files . i cant restor my phone help

    how do i get to my backup files

    put your password in. You should have put a password you can remember when you did the backup.

  • HT4623 i cannot restore my phone it says its in recovery mode

               i cant restore my phone due to it telling me its in recovery mode y isnt it doing the thing

    What iPhone do you have? And what version of iTunes do you have? Either on a Mac go to the iTunes menu and "About" or Windows go to Help then About. You'll need to have the latest version which is 11.0.1.

  • Black screen cant restore

    on my iphone the apps started shaking and the screen went black and the screen wont come on but still rings. i cant restore my phone because the find my iphone app is still on and theres no way to turn it off

    asmith1012320 wrote:
    i cant restore my phone because the find my iphone app is still on
    You can access iCloud.com on a computer to turn it off.
    http://support.apple.com/kb/PH2702
    asmith1012320 wrote:
    on my iphone the apps started shaking and the screen went black and the screen wont come on but still rings. i cant restore..
    Make sure you have the Current Version of iTunes Installed on your computer
    iTunes free download from www.itunes.com/download
    Then See Here  >  http://support.apple.com/kb/HT1808
    You may need to try this More than Once...  Be sure to Follow ALL the Steps...
    Take your time... Pay particular attention to Steps 3 and 4.
    After you have Recovered your Device...
    Re-Sync your Content or Restore from the most recent Backup...
    Restore from Backup  >  http://support.apple.com/kb/ht1766

  • I put parent control on my sons apps so he cant download 17  apps, but I just found out if he restores his phone in itunes he can download an app then go back and back it up. Is there a way I can black restore on Itunes?

    I put Parents Control on my sons apps so he cant download 17+ apps, but I just found out if he goes on itunes he can restore his phone to orginal settings which wont have parent control on it. Then when ever he wants he cant backup his phone so it looks like nothing ever happened. Is there a way I can bloack restore on itunes?

    You can't block restoring in iTunes, but any restrictions you put on the phone are included in the iPhone backup, thus if your son restores from backup, he will restore any restrictions you put on the phone. His only choice, to completely remove restrictions, is to restore as a new device. You can also set parental controls in iTunes: iTunes>Preferences>Parental.

  • HT1766 hi i just got a brand new iphone 5s i tryed to set it up but it doesnt work. when i plug it in with itunes it does all the back up and restore and when its finished i still cant use the phone as i still ask me to start the set up from the beginning

    hi i just got a brand new iphone 5s i connected to itunes to restore all my data from the previous phone. when all the back up is finished i still cant use the phone as it ask me to restart again....  dont know what to do i tryed to restore 3/4 times but again when the restore is completed i still can't use the phone????

    Replacements via Apple tech support are usually refurbished units, not new stock, though none of us here can say with certainty what you will receive. But you will not be able to tell the difference between new stock and a refurbished unit, and refurbished units generally go through more extensive testing than do new units, so getting a refurb may well be better than getting new stock.
    Regards.

  • My iPhone 6 was stolen and i got it back, but the pass code was changed and so was the touch-id. and now im locked out of the phone because ios 8.1 requires either of the passwords to access the phone. and iTunes doesn't recognize it so i cant restor

    My iPhone 6 was stolen and i got it back, but the pass code was changed and so was the touch-id. and now im locked out of the phone because ios 8.1 requires either of the passwords to access the phone. and iTunes doesn't recognize it so i cant restore it at all PLEASE HELP

    Take it to an Apple Store, take proof of purchase with you.

  • I was using my iphone 4s and then the app started to not work and then my phone blocked and then when i go on home most of my apps disappeared including my settings so i cant restore with out disabling find my iphone on settings

    I was using my iphone 4s and then the app started to not work and then my phone blocked and then when i go on home most of my apps disappeared including my settings so i cant restore with out disabling find my iphone on settings please help me asap thankyou so much

    Log in to icloud.com on a web browser with your Apple ID and disable FMiP there.

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