I want to jailbreak and unlock my AT&T 3GS when Geohot works out the 3GS kinks in Limera1n. But according to this blog post I won't be able to with Ultrasn0w.
and what shsh blogs do you have. All new bootroms has to restore to stock firmware and if the baseband cannot be unlocked , stay away until an unlock comes out or you will be sorry for months.
This is what I done...
1st.. 4.0.2 i was on.. then I installed tinyumbrella - used advance options. saved SHSH as 4.1
Installed 4.1 and my baseband was the same this is all with out the simcard in the phone. then I used limera1n and it went past it and worked fine. then I downloaded ultrasn0w and it works a treat...