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Thread: Can I upgrade my jailbroken/unlocked 3G to 3.1.2 without unjailbreaking it?

  1. #1
    Default Can I upgrade my jailbroken/unlocked 3G to 3.1.2 without unjailbreaking it?
    Can I upgrade my jailbroken/unlocked 3G to 3.1.2 without unjailbreaking it?

  2. #2
    iPhone? More like MyPhone Bassface's Avatar
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    You can't upgrade without unjailbreaking. However, you can just rejailbreak it once you get to 3.1.2. Unfortunately, if you upgrade now, you will have to go straight to iOS 4.0.1 because Apple has stopped signing the 3.1.2 firmware package. Luckily, you have a 3G, so you can just rejailbreak it using sn0wbreeze. Click thanks if this helped you!

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

    jnmobile (2010-07-28), stlou (2010-07-29)

  4. #3
    I appreciate ur help. Will have to try later. If u don't mind, I have a few more questions. The 4.0, that's not just for the '4'? What are the benefits of it if it's not? Aaaaaaaand, how to I unjailbreak my phone?

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    Keep it on 3.1.x. 4.0 is not ideal for the 3G, even if you disable the wallpaper and multitasking. It runs better on 3.1.x.

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    stlou (2010-07-29)

  7. #5
    I have upgraded from 3.0 to 3.1.2 to 4.o and back down to 3.1.2.
    If you have a 3g, the answer is yes, you can go from 3.0 to 3.1.2, just go to downloads here at modmyi, and get the d711 3.1.2 file for 3g and load it on your hard drive where you know it is, and use redsnow 0.92 or below, you may also have to strip and replace itunes with itunes 8.0. I believe you can find everything you need in the download section, or search. As a side note, you can also check the downloads at hackmyi.com

  8. The Following User Says Thank You to sho0tngstr For This Useful Post:

    stlou (2010-07-29)

  9. #6
    Livin the iPhone Life jkmonkey's Avatar
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    You can also just create a custom 3.1.3 fw with either sn0wbreeze or pwnage tool and just restore to that.

  10. #7
    What's wrong with going to the 4.0?

    What's wrong with going to the 4.0?
    Last edited by stlou; 2010-08-02 at 03:06 AM. Reason: Automerged Doublepost

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    Quote Originally Posted by stlou View Post
    What's wrong with going to the 4.0?

    What's wrong with going to the 4.0?
    Like I said, it doesnt run well on a 3G even with multitask spotlight and wallpaper disabled. Ive had 4.0 on my 3G for 2 weeks and couldnt stand it. My games never load past the intros and my phone freezes when I got calls. It lagged my springboard and a lot of Cydia stuff doesnt work on 4.0 yet.

    Thats just me. You can try it if you want but I and a lot of 3G owners have gone back down to 3.1.x.

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