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Thread: how to update iphone 3gs from 4.1 to 5.1

  1. #1
    Default how to update iphone 3gs from 4.1 to 5.1
    i have an iphone 3gs which is already jailbreaked.Can i update to 5.1 firmware and how to do.The model is MB716LL.Thanks
    for any help

  2. #2
    H4CK3R's Avatar
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    Simply plug your iPhone into iTunes. Backup your iPhone and than hit Restore. It will automatically update you to 5.1 (You don't want this!) You must go on a website and get an iPSW and use Sn0wbreeze 2.9.1 or Redsn0w. Botch of them will work.

    iPSW: iPhone, iPod, iPad and Firmware/Software Download Select 5.0.1, iPhone 3GS, and your iPhone model (MB716LL) After do what Redsn0w or Sn0wbreeze tells you to do. After you restored and jailbroke on 5.0.1 your good to go!

    Redsn0w: Dev-Team Blog Select Redsn0w and download the correct version.
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    Super Penguin Mod i.Annie's Avatar
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    Just remember, if your device is the new bootrom model, you will have a tethered jb. If it is old boot, it's good to go for untethered. If you don't know, you can check with iDetector.

  4. #4
    I am too looking for upgrading from 4.1 to 5.1 on my Factory Unlocked Non-Jailbroken 3GS but have been getting unknown error (11) while updating & restore.

    Have posted my query here: 3GS Stuck in Recovery Mode - Update Error (11)

    Pls assist.

  5. #5
    My iPhone is a Part of Me Susty's Avatar
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    Quote Originally Posted by ParryD View Post
    I am too looking for upgrading from 4.1 to 5.1 on my Factory Unlocked Non-Jailbroken 3GS but have been getting unknown error (11) while updating & restore.

    Have posted my query here: 3GS Stuck in Recovery Mode - Update Error (11)

    Pls assist.
    It's always been on 4.1? & the IPSW is one you got from Apple?

  6. #6
    Thanks Susty for your reply.

    It was originally on 3.1.3 before I upgraded to 4.1 last year.

    I downloaded the IPSW from here Firmware - The iPhone Wiki

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