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Thread: [Guide] iPhone 3Gs Downgrade from 4.0.2 to 4.0.1 without SHSH (Easiest Possible Way)

  1. #1
    Default [Guide] iPhone 3Gs Downgrade from 4.0.2 to 4.0.1 without SHSH (Easiest Possible Way)
    Well this guide is very simple!

    Download this custom IPSW that has all the files modified according to the tutorials popping up everywhere :

    http://db.tt/rewoYHA

    Put your iPhone in DFU mode and restore away! I tested this on mine and it works like a charm

    If this is hard for you... then you deserve to be stuck on 4.0.2 sorry.

    Have fun :P

  2. The Following User Says Thank You to vomer For This Useful Post:

    Zibro (2010-08-31)

  3. #2
    anyone know if this works?

  4. #3
    Livin the iPhone Life
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    Don't bother downloading the file. Just try it with a stock 4.0.1 firmware file. If it doesn't work, using the modified firmware won't work either.

    All these claims of downgrading require you to edit the hosts file. Since it does that, it relies on SHSHs which in turn means, if the SHSHs are there, that a normal 4.0.1 file will work.
    We're all just toymakers in the game of life.

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