How to Upgrade Your iPhone 4, 3GS Without Updating the Baseband (Windows)

How to Upgrade Your iPhone 4, 3GS Without Updating the Baseband (Windows)

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Alice - June 29, 2013 at 9:55am
Hi, after following this procedure, I get an unexpected error 2831, I want to upgrade an iPhone 3GS with BB 5.11.07 from 5.0.1 to any higher version, and no matter what I do, I get the same error. Any comments please? Win 7, last redsn0w version, already jailbreaked. Many thanks