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Thread: New 3GS with iBoot-359.3 and iOS4

  1. #21
    Quote Originally Posted by drmias View Post
    First, you should find out an AT&T Sim card from a friend or something for 3 minutes! to get to the About Screen and know what version do you have. Anyway, in order to back to an older version, you should have had your blobs saved on Cydia Server, to check that, you can you TinyUmbrella from: The Firmware Umbrella
    While connected your device to the machine, click on 'Advanced..' then choose 3.1.2 or 3.1.3 (try them both) and click on 'Save My SHSH'
    If this process is done successfully, then, using Saurik server, you will be able to downgrade to an older version (the one you could save the SHSH for).
    I just checked the part with Umbrella for 3.1.2 and 3.1.3 and it says nothing is on file

  2. #22
    Sorry, that means that you cannot 'downgrade' your iphone currently.


    Press Thanks! if I helped.

  3. The Following User Says Thank You to drmias For This Useful Post:

    bull3001bull (2010-07-02)

  4. #23
    Quote Originally Posted by drmias View Post
    Sorry, that means that you cannot 'downgrade' your iphone currently.


    Press Thanks! if I helped.
    Thanks

  5. #24
    My iPhone is a Part of Me
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    5.13.04 would indicate iOS4 unless it's been downgraded back.

    Now that your in emergency calls, activate it using a valid sim (connect to itunes with valid sim inserted) and do what drmias suggested.

  6. #25
    Same problem here but it is with stock iOS4. Cannot get it to jailbreak nor downgrade using pawnagetool or through itunes.

  7. #26
    My iPhone is a Part of Me area51crypto's Avatar
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    Quote Originally Posted by bull3001bull View Post
    my friend just bout a iPhone 3GS from his co-worker. The co-worker bought it from apple.

    Now this phone is weird.
    iPhone 3GS
    iBoot-359.3
    I am stuck on the USB and iTunes symbol screen.

    When i try to put a Custom 4.0 with Pwnage 4.0 and 4.01 i get an error 1604.
    When i try to put a Custom 4.0 with Pwnage 4.0 and 4.01 i get an error 1600.
    I have tried 2 Macs and 1 windows machine and i get the same error.

    Can someone help me with this?

    Thats an 3gs old bootrom, and you should be able to use custom firmware need to change you ect\host settings search here in the forum!



    I prefer the Mac but either should do just be sure to change the host file

    Also do a search her on the 1600 and 1604 error there is something about it I just cant remember!

    You have the same phone I have so I know you can do it!
    Last edited by area51crypto; 2010-07-03 at 12:21 AM.

  8. #27
    My iPhone is a Part of Me
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    Well you may have the same phone but you missed the fact that redsn0w does not support 3GS custom firmware.

    Try snowbreeze (1.6.2 should have ironed out some niggles altho i have not tried it yet myself).

  9. #28
    I will try those as soon as I get home.

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