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Thread: Need help on 3gs 3.0 upgrade to 4.1

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    My iPhone is a Part of Me vietkool's Avatar
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    Default Need help on 3gs 3.0 upgrade to 4.1
    Currently I running firmware 3.0 on my 3GS with modem firmware 04.26.08. If I want to upgrade to 4.1 how do I do that? will every function operate correctly such as MMS, SMS, Edge, etc

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    iPhone? More like MyPhone 40ozBulldog's Avatar
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    Quote Originally Posted by vietkool View Post
    Currently I running firmware 3.0 on my 3GS with modem firmware 04.26.08. If I want to upgrade to 4.1 how do I do that? will every function operate correctly such as MMS, SMS, Edge, etc
    First you need to be on 3.1.3 after you udate to 3.1.3 just use sn0wbreeze to create a custom FW for iTunes and shift restore. Really simple and there are tons of youtube video's about it. Everything works but MMS but there is a sticky about how to fix that at the top. You might have youtube problems but I didn't (don't know why but some have issues)

    [ame=http://www.youtube.com/watch?v=LQoj6Xxm8_c]YouTube - How To Jailbreak On 4.1 With Sn0wBreeze 2.0.1/2.0.2 (Window)iPhone (3gs,3g,2g)iPod Touch (1g,2g,3g)[/ame]

    Post if you have any issues but just follow the steps in the video and you will be fine.

    Oh DONT select activate phone, you need an AT&T sim to activate with itunes. It doesnt have to be activated just has to be the sim. I didnt watch the video but im sure it will help walk you through it.
    Last edited by 40ozBulldog; 10-21-2010 at 02:40 PM. Reason: Automerged Doublepost

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    My iPhone is a Part of Me vietkool's Avatar
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    Where do I d/l 3.1.3 OS to update ? The Itune is 4.1 now.

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    iPhoneaholic dotFIVE's Avatar
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    Quote Originally Posted by vietkool View Post
    Where do I d/l 3.1.3 OS to update ? The Itune is 4.1 now.
    iPod, iPhone and iPad Firmware Download

    Go to iPhone and select your model (3GS) on 3.1.3 from the list.

    If you're on a Mac, you can just use Pwnagetool to create custom firmware to upgrade straight to 4.1.

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    My iPhone is a Part of Me vietkool's Avatar
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    After d/l 3.1.3 then just use shift restore? or wat tool do I have to use to restore ?

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    iPhoneaholic dotFIVE's Avatar
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    Download sn0wbreeze. Open it up, cook up a custom 3.1.3 firmware in there. After the custom firmware is created, shift + restore to it in iTunes.

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    vietkool (10-21-2010)

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    My iPhone is a Part of Me vietkool's Avatar
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    Ok , Done that then how do I upgrade to 4.1 and unlock ?

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    Super Penguin Mod i.Annie's Avatar
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    You use Sn0wbreeze 2.0.2 to create a 4.1 custom fw and restore to that.

    Unlock with Ultrasn0w in Cydia.

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    My iPhone is a Part of Me vietkool's Avatar
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    I'll do this weekend. just want to get all the info. needed so I can work on this upgrade. So all the MMS, SMS , youtube, Edge and tethering will work on 4.1 customs with unlocked?

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    Super Penguin Mod i.Annie's Avatar
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    Will you be hacktivating? Or do you have an AT&T SIM to activate with iTunes?

    If you don't have a SIM to activate with, and you have to activate with Sn0wbreeze, you might run into some problems with YouTube and/or push. YouTube problem can be fixed with fixes from Cydia. Push is currently not fixable on 4.1. Other problems may occur, but those are the most common. Best to have an AT&T SIM. if you dont, its ok, just wanted you to know there are possible problems that might occur.

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    My iPhone is a Part of Me vietkool's Avatar
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    I have an AT&T SIM but no longer use AT&T so I don't know if I can use the SIM or not or I have to have a SIM with current AT&T account ?

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    Super Penguin Mod i.Annie's Avatar
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    That SIM is fine. Doesn't have to be active.

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    My iPhone is a Part of Me vietkool's Avatar
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    Quote Originally Posted by Anniex423 View Post
    You use Sn0wbreeze 2.0.2 to create a 4.1 custom fw and restore to that.

    Unlock with Ultrasn0w in Cydia.
    I download 4.1 and sn0wbreeze 2.0.2, when try to run sn0wbreeze, it gave me error and has option "continue" to ignore error. but when browse to 4.1.ipsw after it got checked then "fail"

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    Super Penguin Mod i.Annie's Avatar
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    Try another computer? Or close off all your background programs like antivirus and messengers and try again.

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    My iPhone is a Part of Me vietkool's Avatar
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    Quote Originally Posted by Anniex423 View Post
    That SIM is fine. Doesn't have to be active.
    Wat do I do with the AT&T SIM ?

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    Super Penguin Mod i.Annie's Avatar
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    By deselecting "activate" in Sn0wbreeze, you will avoid YouTube and push problems. This will also, after you restore to the custom fw, not hacktivate which means it will take you to the emergency call screen. That's when you put your SIM in and plug into iTunes, and iTunes will activate your phone. This will bypass the emergency call screen and allow you to access your jb phone.

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    My iPhone is a Part of Me vietkool's Avatar
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    You meant when I use sn0wbreeze to create custom 4.1 OS, click "no" on activate then create the file and restore it? After that insert the AT&T SiM and launch itune to activate then use Ultrasn0w to unlock ?

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    iPhoneaholic dotFIVE's Avatar
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    Quote Originally Posted by vietkool View Post
    You meant when I use sn0wbreeze to create custom 4.1 OS, click "no" on activate then create the file and restore it? After that insert the AT&T SiM and launch itune to activate then use Ultrasn0w to unlock ?
    Correct.

    Sent from my iPhone using ModMyi

  20. #19
    My iPhone is a Part of Me vietkool's Avatar
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    Can I use sn0wbreeze 2.0.2 to create custom ipws 3.1.3 ? or I have to use sn0wbreeze 1.4. And when create 3.1.3, Do I have to choose NO on "activate" ?

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    Super Penguin Mod i.Annie's Avatar
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    2.0.2 is only for 4.1. If you want a 3.1.x custom fw you'll have to use the version made for 3.1.x.

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