Hi, i need your help guys... I have an iphone 4 which was on firmwire 4.0.2 nad baseband 01.59.00.. I updated it to 4.1 but i keept the 01.59.00 basband ( i used tinyumbrella)... So i downloaded cydia and installed ultrasn0w and it installed succesfully and i rebooted my phone and it still says no service?... I hade limera1n installed on my phone when it was on 4.0.2 version, and there from i installed ultrasn0w too but nothing happend.. So i updated my phone to 4.1 with the sam baseband and installed greenpois0n ( without removing limera1n, i think it removed it self when i uppgraded to 4.1 anyway).. So my phone says no service.. But when i go to settings<phone< and at the bottom i can see my my simcard operators net.. this is the farest i can go... Sorry for my English, hope youll understand...