3Gs stuck after Redsnow here is solution.

3Gs stuck after Redsnow in aple logo. No problem just restore it with os 4.1 via itunes and jailbreak with redsow os 4.2.1 then your iphone version become 4.1 and baseband 6.15.00 after that.open cydia source add repo666.ultrasnow.com when done install reboot your iphone all done now your iphone is unlocked , do not forget to check on INSTALL CYDIA good luckand INSTALL IPAD BASEBAND in Redsn0w 0.9.6b5 good luck

by tsm2318