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Thread: Downgrade from 4.0.1 to 3.2.1

  1. #1
    What's Jailbreak?
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    Default Downgrade from 4.0.1 to 3.2.1
    Hi there,
    I want to jailbreak my Iphone 3G and jailbreakme.cxm says I need v 3.2.1 or below.
    What do I need to do?

    I want to join the revolution but I'm a noob

    Please help!

    Thanks in advance

  2. The Following 3 Users Say Thank You to Zalamon For This Useful Post:

    Billybad (2010-11-12), Lol124 (2011-04-09), yam202 (2011-04-14)

  3. #2
    Livin the iPhone Life jkmonkey's Avatar
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    Jailbreakme shoul work on 4.0.1. Are you sure your not on 4.1? Alternatively you can use redsn0w to jailbreak a 3G.

  4. #3
    What's Jailbreak?
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    Hi jkmonkey,

    the site says Welp, you have 4.0.1 and need 3.2.1. or below
    So redsn0w is just the same jailbreak thingy?

    Oh dear,

    I have 4.1
    It says, downgrade to 4.0.1/3.2.1 or earlier

    But what do I need to do?
    Last edited by Zalamon; 2010-10-12 at 05:25 PM. Reason: Automerged Doublepost

  5. #4
    Retired Moderator iYeow's Avatar
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    Since you are at 4.1, jailbreak with Redsn0w 0.9.6b1 for Windows and Macs too. No carrier unlock at this time.

  6. #5
    Same question - sort of. I upgraded to 4.1 with a custom FW via sn0wbreeze. 4.1 sucks - it is so much slower then my previous 3.1.2. So I want to go back. My baseband is still 05.11.07. Can I simply use Redsn0w and put 3.1.2 back on?

  7. #6
    Livin the iPhone Life
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    Quote Originally Posted by i007 View Post
    Same question - sort of. I upgraded to 4.1 with a custom FW via sn0wbreeze. 4.1 sucks - it is so much slower then my previous 3.1.2. So I want to go back. My baseband is still 05.11.07. Can I simply use Redsn0w and put 3.1.2 back on?
    Jailbreak tools work differently. Some create custom firmwares while others simply crack the firmware that is already installed. Sn0wbreeze creates CFWs and redsn0w simply jailbreaks. So you'll need to do a regular downgrade and then jailbreak with whatever tool you'd like.

    To do a downgrade, download the 3.1.2 firmware for your phone. Put the phone in DFU mode and then do a shift-restore in iTunes pointing to the downloaded firmware.
    We're all just toymakers in the game of life.

  8. #7
    What is dry mode

  9. #8

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