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Thread: iPhone 3G downgrade 3.1.3 to 3.1.2

  1. #1
    Default iPhone 3G downgrade 3.1.3 to 3.1.2
    I have looked thru many posts here, and cannot find what I'm looking for. I have a 3G that I had jailbroken. I upgraded to 3.1.3 and rejailbroke, but want to downgrade to 3.1.2 so I can get my Intelliscreen back. I do not need to unlock. I have 3.1.3(7E18) and firmware 05.12.01. If anyone could point me to the steps to downgrade this I would appreciate it.

    Thanks

    Oh forgot. If it matters Model is MB046LL
    Last edited by wheeldawg; 2010-04-23 at 08:00 PM.

  2. #2
    just download the 3.1.2 firmware (iphone1,2........ipsw).
    Put phone into DFU mode.
    Hold shift and press restore in itunes. (option restore if using a mac).
    A window pops up to browse for the file. Find the firmware file and click ok. Let it go. That's it.

    3g and 2g users have it easy. No blocks no hassles.

  3. #3
    Retired Moderator iYeow's Avatar
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    Yes, lets go, 1,2,3 ,you are done....lol

  4. #4
    i tried this and it comes up with an error saying it cant down grade. error 1015 i think. Ideas?

  5. #5
    Retired Moderator iYeow's Avatar
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    Quote Originally Posted by Maki9383 View Post
    i tried this and it comes up with an error saying it cant down grade. error 1015 i think. Ideas?
    No problem , use quickpwn22 or Ireb to get out of recovery mode. If you use Ireb, you have to install libusb in xp2 compatibility mode ( if you are using Vista ).

  6. #6
    I am in the same situation...stupid Rock updates :-/

    I lost everything, had to restore and did not have SSH backup or whatever. I restored and it put 3.1.3 on my phone. I used Spirit to jailbreak, but some of my jb apps do not seem to work. I just want my 8gb 3g 3.1.2 jailbroken phone back!!!

    can you walk me through how to fix this?!

  7. #7
    Retired Moderator iYeow's Avatar
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    Quote Originally Posted by amykat321 View Post
    I am in the same situation...stupid Rock updates :-/

    I lost everything, had to restore and did not have SSH backup or whatever. I restored and it put 3.1.3 on my phone. I used Spirit to jailbreak, but some of my jb apps do not seem to work. I just want my 8gb 3g 3.1.2 jailbroken phone back!!!

    can you walk me through how to fix this?!
    I left you a message

  8. #8
    Hi - I am also in the same situation. Rock updates put my phone in restart loop. I restored and upgraded it using latest iTunes. Now my iPhone 3GS is stuck at the Connect to iTunes logo. And tried to put it into DFU. The Apple logo appears and disappears after a second - back to the Connect to iTunes logo. iTunes says restore it. But I cannot. I tried pwnage etc. Nothing works. please help!!

  9. #9
    Default iphone 3gs 3.1.3
    i have iphone 3gs 3.1.3 device stuck on the Connect to iTunes
    what should i do can any body please help me

  10. #10
    Retired Moderator iYeow's Avatar
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    Quote Originally Posted by abdulmuqeet View Post
    i have iphone 3gs 3.1.3 device stuck on the Connect to iTunes
    what should i do can any body please help me
    Is that recovery mode or emergency mode ?

  11. #11
    ya i get a error when trying to downgrade my 3g 3.1.3 to 3.1.2

  12. #12
    Retired Moderator iYeow's Avatar
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    Quote Originally Posted by jonathan713 View Post
    ya i get a error when trying to downgrade my 3g 3.1.3 to 3.1.2
    What error did you get ? If it is error 1015, it is easy to fix

  13. #13
    I had the pleasure of experiencing this issue from the stupid rock update too. UGH! I hadnt backed up in awhile (my own fault) bc my imac was boxed up (process of moving). I had to restore my phone bc I couldnt go without a working phone for days!! i actually got it to finally work etc again so yay. lost a lot of pix, txt msgs, contacts, games, apps, etc. which i was really mad about. Had to restore which updated it to 3.1.3 but the spirit jailbreak worked fine. However, today I noticed that my MMS isnt working?! I have ATT. so its not unlocked. im not receiving ANY mms msgs AND if I try to send it, it gets almost all the way sent and then i get the ! saying it didnt resend..any advice?

    iphone 3G (was running 3.1.2 now on 3.1.3 bc of restore)
    WAS jailbroken with blackra1n. now jailbroken with Spirit (bc 3.1.3 update)

  14. #14
    I am in the same situation...stupid Rock updates :-/

    I lost everything, had to restore and did not have SSH backup or whatever. I restored and it put 3.1.3 on my phone. I used Spirit to jailbreak, but some of my jb apps do not seem to work. I just want my 8gb 3g 3.1.2 jailbroken phone back!!!

    can you walk me through how to fix this?!

    >>> HAD EXACTLY THE SAME PROBLEM PLEASE HELP ME<<<< IM BEGGING YOU GUYS

  15. #15
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    Hi all, i'm a complete novice! so be gentle! ive got a locked 3.1.3 baseband 5.12.01. can somebody please help me? thanks in advance. s3an

  16. #16
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    Quote Originally Posted by s3any View Post
    Hi all, i'm a complete novice! so be gentle! ive got a locked 3.1.3 baseband 5.12.01. can somebody please help me? thanks in advance. s3an
    Welllllll the simplest way is to this..... go here...iH8sn0w.com | Jailbreak your iPod touches and iPhones and get f0recast.. then you can see what your bootloader is.... if it is 5.08 or lower then you can unlock! if 5.09 or higher then sorry you can't unlock right now......

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