hey guys,
i have iphone 3gs 32 gb, made in 35th week of the yr., so its not new bootrom,
i restored it with itunes latest 3.1.2, i used blackra1n on my iphone & got it JB, when now comes the unlock part, using blackra and my wifi, i installed snow sucessfully, after snow and a restart, i disabled 3g, i put my t-mobile sim and it keeps searching and after some time no service any idea's, i have done so many things with phone but cant get through like first installed cydia updated then installed snow, i also tryed custom firmware by pwanage 3.1.2, but nothing seems to work pls help