Discuss [1.1.3] Downgrade Instructions (easy to follow and worked for me with iPhone....) at the iPhone "2G" (Rev. 1) - Hackint0sh.org; Originally Posted by iUA
Great tutorial there - can any one else confirms this works?
TurboSIM and firmware 1.1.3 downgrade --- TurboSim won't help! UNFORTUNATELY :(
This method works to downgrade and jailbreak 1.02 or 1.12 (if you read my later post with summary); however, even with a TurboSim... no matter how much downgrading or upgrading or fiddling you do... you will not be able to make phone calls because the 1.1.3 upgrade modifies the iPhones baseband and apparently does a more thorough check of your sim to ensure it is really an AT&T sim and therefore fails and cannot make phone calls.
Originally Posted by Sigi666
Hope this helps...
Hi guys, i'd need some help downgrading an upgraded 1.1.3, iphuc gives me;
>> By The iPhoneDev Team: nightwatch geohot ixtli warren nall mjc operator
recovery callback: Connected in Recovery Mode
recovery callback: Entering shell in Recovery Mode.
(iPHUC Recovery) #: filecopytophone /Users/luch/Desktop/1.1.3\ downgrade/WTF.s5l8900xall.RELEASE.dfu
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