HI, i have an iphone 3gs , i used to have fm 4.0.1 and baseband 05.13.04 , which is supposed to be unlockable , i installed ultrasnow , but got no service. I upgraded to 4.2.1 and jailbreaked using redsn0w also upgraded the bb to 06.15.00 , then i installed ultrasnow 1.2 , i also got no service !!!!!!!!! i then downgraded to 4.1 with the help of tinyumbrella , so now i have fm 4.1 , bb 06.15.00 , jailbreaked using limera1n , installed ultrasnow 1.2 , still no serivce !!!!!!!!!!!!!!please help me !
Got a tip for us?
Let us know
Become a MacRumors Supporter for $50/year with no ads, ability to filter front page stories, and private forums.
Cant Unlock !
- Thread starter md91
- Start date
- Sort by reaction score
Make sure you have 3G off if you're in the U.S.
You didn't have to upgrade your baseband to 6.15.00, you could have download a custom ipsw if you're a windows user.