Previous 1 2 Next 29 Replies Latest reply: May 24, 2015 5:39 AM by lajuane17
afsar Level 1 (0 points)


when i plug iphone in my computer the itunes send a messege that


itunes could not connect to this iphone because an unknown errer occurred (0xe8000012).


please help me




iPhone 4, iOS 5.1.1

iPhone 4, iOS 5.1.1
  • whitewater2 Level 3 (665 points)

    please review here;



    Reboot computer. Try different USB Port. Try different USB Cable.

  • SP00LER Level 1 (0 points)

    I am having the same issue, only with my iPad.  I tried all of the fixes you mentioned. 


    It seems to have started after upgrading to iOS 5.1.1 (but may have been present before this).  It connects to my desktop computer just fine, but won't connect to my laptop.  I have tried different usb ports and different cables. 


    Here's what else I tried (with no luck):

    • system restore to an earlier time
    • different usb ports
    • different usb cable
    • tried a different windows user account
    • tried reinstalling iTunes
    • disabled other services


    A few other things:

    • I connected my iPhone 4S (iOS 5.0.1) and this DID work just fine
    • I connected my iPad to a different computer and this also worked fine


    Any other ideas?  It's confusing because my iPad connects fine to other computers. However, my iPhone can connect without any issues. 

  • kelliblue Level 1 (0 points)

    I am also getting this same error message, and it all started after I upgraded to 5.1.1 this past weekend. I never had this problem before.


    I have uninstalled and reinstalled iTunes, I have deleted my Lockdown folder, and did pretty much all of the same things that Sp00ler did above, all to no avail.


    Come on Apple, this is obviously a problem caused by 5.1.1 - please fix it! - or give us a REAL solution to this problem!

  • whitewater2 Level 3 (665 points)

    After you get this error, if you right click your device and hit backup, whats happens?


    Are you using Windows or MAC?


    Did you update Itunes to 10.6.3 ?

  • whitewater2 Level 3 (665 points)

    If it works fine with other computers, there is something going on with that particular PC that Itunes and the device do not like.


    Are your devices jailbroken?

  • joyalkumar Level 1 (10 points)

    dont worry

    you dont need to update anything

    just go to




    amd select

    erase all content and Setting

    and wait for reboot and do setting as necessarty

    everthing will be ok


  • Gags91 Level 1 (0 points)

    It works, erase all content and setting

  • Ball092 Level 1 (0 points)

    so if your ipod/ iphone/ ipad is jailbroken it wont connect.?! i uninstalled itunes and deleted all of the files, now i lost all my music and apps on my computer, i shold have looked up why it showed the error befor i did that. thankfully I can just synd all my apps and music from my parents pc because of icloud.

  • haykel_koula Level 1 (0 points)

    i have iphone 4s i update it to 5.1.1 but the problem when i plug my device in the computer erreur message pop up it say itunes could not connect to this iphone because an unkown erreur occured (0xe8000012) so what i can do to fix it i need help please!

  • joyalkumar Level 1 (10 points)

    To, Ball092 and haykel_koula

    read my above post

    it will solve your problem

  • haykel_koula Level 1 (0 points)

    joyalkumar i tryed it but it not working when i hit erase all content and Setting i see black screen and apple  it start loading then after the phone crash and stuck on crashing screen for 1 hour then after i restart it, for information my phone jailbroken so what i can do? do i need to put it on DFU mode and restore it using itunes on my computer?

  • 1997rob Level 1 (10 points)

    Turn your iPhone to a DFU mode and restore it

  • SP00LER Level 1 (0 points)

    Erase all content and settings worked for me.


    I also removed the password, decrypted the backup on my PC, and removed all VPN's and installed profiles.

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