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Discuss [1.1.3][help]how To Downgrade The Modem Firmware at the iPhone "2G" (Rev. 1) - Hackint0sh.org; Everything went okay with H/W unlock solution of Geohotz with my ootb 1.1.2 iphone but ...
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    Exclamation [1.1.3][help]how To Downgrade The Modem Firmware

    Everything went okay with H/W unlock solution of Geohotz with my ootb 1.1.2 iphone but at last I am an idiot, I accidentially upgrade the firmware to 1.1.3 from itunes and f*cking modem firmware upgraded to 04.03.13. Can someone please tell me how to downgrade the modem firmware to 04.02.13? I can downgrade baseband and bootloader because I made the H/W unlock but no firmware downgrade.



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    actually that's very easy, you just have to downgrade to 1.1.1 jailbreak with jailbreakme.com and add to installer the source http://i.unlock .no
    there is a new package which lets you downgrade your baseband to 3.14.08... afterwards just oktoprep, update, airplane mode, unlock...

    for downgrade just search the forum lots of threads about that...

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    Quote Originally Posted by nice View Post
    a new package which lets you downgrade your baseband to 3.14.08...
    Modem firmware and the baseband, are those two the same things? In other words, if I downgrade or upgrade one of these, does it affect the both??

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    Actually, let me explain it a little in detail, I also accidentially install and run baseband downgrader from i.unlock.no rather than which is the correct one bootloader downgrader...

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    yes, the baseband is the modem firmware... which should be now 4.3.13 if you have a quick view at settings -> general -> about there is or there should be modem firmware 4.3.13 now...


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    so you say you know have an oob 1.1.2 with 4.6 bootloader and updated to 1.1.3 before downgrading bootloader to 3.9?

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    My Modem Firmware is 04.03.13_G but I'm on Version 1.1.2

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    Quote Originally Posted by okank View Post
    Actually, let me explain it a little in detail, I also accidentially install and run baseband downgrader from i.unlock.no rather than which is the correct one bootloader downgrader...
    If you had successfully downgraded bootloader to 3.9 before upgradeing to 1.1.3, you are fine.

    As mentioned, just restore to 1.1.1 and do jailbreakme.com, then add http://i.unlock.no in Installer, and install BSD subsystem, then install: Baseband Downgrader. When it finish, install Oktoprep (in Tweaks 1.1.1), and perform an UPGRADE to 1.1.2.

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    Quote Originally Posted by okank View Post
    I accidentially upgrade the firmware to 1.1.3 from itunes
    How do you accidentially do something that is manual not automatic? It was posted numerous times not to upgrade. Idle hands are the devils tools. If it aint broke dont fix it!!!! Couriosity killed the cat!!

 

 

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