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Thread: iPhone 3G Unlock? Help me :(

  1. #1
    Default iPhone 3G Unlock? Help me :(
    Hey guys I got a jailbroken/unlocked iPhone 3G at 4.2.1 FW and 6.15.00 BB.

    I wanna restore my phone because my phone is lagging so much and I just want a fresh reboot. I am so lost on what to do. I heard about the 1014 error and idk if I will get it. Can please someone tell me what to do step by step on how to get a fresh rebooted JB/unlocked iPhone 3G at 4.2.1 FW.

    Last edited by noimus; 2011-05-15 at 02:45 AM.

  2. #2
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    It's probably lagging because it is on 4.2.1. Are you sure you want to restore it again or you want to downgrade it to a faster firmware version such as 3.1.3?

  3. #3
    I like 4.2.1FW because a lot of the apps I use are compatible with it. 3.1.3 has no apps that are compatible

    So I wanna restore it to 4.2.1 again
    Last edited by noimus; 2011-05-15 at 03:05 AM.

  4. #4
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    Ok well if you're sure, because I can write you up instructions, just make sure this is what you want...

    Go download these things:
    1) stock 3.1.3 ipsw (Downloads section on MMi)
    2) stock 3.1.2 ipsw (Need this for the jailbreak)
    3) redsn0w 0.9.4 (Google, should find it easy)
    4) TinyUmbrella (

    Ok now here are the steps:
    1) Open iTunes. Hold shift and click restore. Select 3.1.3 ipsw.
    2) Get error 1015
    3) Open TinyUmbrella
    4) Click "exit recovery mode"
    5) Open redsn0w 0.9.4, browse to stock 3.1.2 ipsw.
    6) Select only Cydia
    7) Follow the rest of the on-screen instructions
    8) When redsn0w finishes you'll have access to your springboard to open Cydia and download ultrasn0w to unlock again.

    Let me know if you run into some trouble.

    EDIT: Looks like you edited 3.1.3 out of your post. Well here's instructions for 4.2.1.

    1) Sn0wbreeze 2.2 (avoid 2.2.1 if possible)
    2) Stock 4.2.1 ipsw (download section on MMi)
    3) Redsn0w 0.9.6rc12

    1) Open Sn0wbreeze 2.2, create a custom firmware under expert mode with the stock 4.2.1 ipsw
    2) In general menu select activate if you don't have an official SIM to activate with. If you do, don't select activate. If you want your phone to run well, make sure not to enable wallpaper or multitasking while building your firmware.
    3) After building custom fw, open Redsn0w. Browse to stock 4.2.1
    4) Select only to put into pwned DFU mode and nothing else.
    5) Follow instruction on-screen
    6) Open iTunes, shift+restore to custom 4.2.1 you created.
    7) After iTunes is done you should be able to see your springboard if your cFW is activated. If you didn't activate, put your SIM in and open iTunes to activate the phone.
    8) Then just go to Cydia and install ultrasn0w again.
    Last edited by i.Annie; 2011-05-15 at 03:13 AM. Reason: Automerged Doublepost

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