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Discuss Update iPhone 3GS (old/new Bootrom ?) with 06.15.00 at the iOS 4.x (iPhone OS 4.x) - Hackint0sh.org; Hi ! Now, I have an iPhone 3Gs on 4.2.1 Firmware with 06.15.00 Baseband. The ...
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    Default Update iPhone 3GS (old/new Bootrom ?) with 06.15.00

    Hi !

    Now, I have an iPhone 3Gs on 4.2.1 Firmware with 06.15.00 Baseband. The serial ID of the phone is XX945XXXXXX and when i put it in to the recovery mode it says "iBoot 359.3.2".


    What can i do to upgrade the firmware and the still have an unlocked Baseband (it it's possible, not the 06.15.00) ?

    Thanks a lot !



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    Super Moderator Array n1ckn4m3's Avatar

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    Please search before posting. This has been asked and answered multiple times. If the 3rd, 4th, and 5th number of your S/N are lower than 135, you can use redsn0w to create a custom firmware for 6.1.2, then use redsn0w to downgrade the iPad baseband to an unlockable baseband. You don't want to keep 06.15.00, it breaks bluetooth, wifi, and GPS.
    The preceding forum post has been brought to you by the letter "N" and the number 42.

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    SHSH: 4.3 & 4.3.3 - 6.1)

    Restore problems? Read this: http://www.hackint0sh.org/f137/130802.htm

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    Thanks for your answer

    I searched before posting and my problem is that i don't know if i have an old bootrom (because of my serial : XX945XXXXXX) or a new bootrom because the recovery mode says "iBoot 359.3.2".

    So you're thinking it's ok for me ?

    Where can i find a turorial for creating a custom firmware for 6.1.2 ?

    Thanks

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    Super Moderator Array n1ckn4m3's Avatar

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    iBoot doesn't really matter any more for this, since they have figured out a way to bypass it for the 3GS. 945 would be considered lower than 135 (I know it sounds weird, but 945 means 45th week of 2009, vs 135 which is 35th week of 2011), so you should be fine to use redsn0w to upgrade the baseband to 06.15.00, then to immediately downgrade to an unlockable iPhone baseband.

    How to create custom firmware to upgrade phone and install iPad / 06.15.00 baseband (this must be done before you can downgrade the baseband to a non-iPad version, and ignore the warning that this can never be undone, they haven't updated the post since redsn0w became capable of downgrading the baseband):
    iClarified - Apple News - iPhone Dev-Team Releases iOS 4.2.1 Unlock for iPhone 3G, 3GS

    How to downgrade 3GS 06.15.00 baseband:
    iClarified - Apple News - RedSn0w Update Improves iPhone 3GS Baseband Downgrade, Adds DFU IPSW Feature
    The preceding forum post has been brought to you by the letter "N" and the number 42.

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    iPad 2 3G, 64GB (iOS 6.1.2 | evasi0n
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    SHSH: 4.3 & 4.3.3 - 6.1)

    Restore problems? Read this: http://www.hackint0sh.org/f137/130802.htm

    Did we solve your problem? Got a dollar or two spare? Please Donate!


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    thanks for your help


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    Super Moderator Array n1ckn4m3's Avatar

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    My pleasure. Let us know if you have any trouble completing the steps or if you don't get the desired outcome, I'm sure we can get it all squared away.

    Good luck!
    The preceding forum post has been brought to you by the letter "N" and the number 42.

    iPhone 4, 32GB (iOS 6.1.2 | evasi0n | SHSH: 4.0 - 6.1.2)
    iPad 2 3G, 64GB (iOS 6.1.2 | evasi0n
    |
    SHSH: 4.3 & 4.3.3 - 6.1)

    Restore problems? Read this: http://www.hackint0sh.org/f137/130802.htm

    Did we solve your problem? Got a dollar or two spare? Please Donate!


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    Hello: Search options sometimes is frustating cause answer are always out date.
    Need some help , only the names, I will find the rest.
    I have 3GS 06.15.00 on 4,1 FW
    I will downgrade as you told with redsnow to a non ipad baseband. The unlock it.
    Need upgrade to 4.3.3 cause some apzz.
    Which tools have to use in order to update 4.3.3 preserving the new redsnow baseband ?

    PD I have new bootrom

    Thanks in advance

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    Please anyone tell me, how to upgrade iPhone 3GS?

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    Quote Originally Posted by Brendon77 View Post
    Please anyone tell me, how to upgrade iPhone 3GS?
    I didn't get anyone's response here, so disappointed from community members....


    /* don't spam hotel links, people won't want to help */
    Last edited by n1ckn4m3; 09-21-2013 at 04:07 PM.

 

 

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