hi i have a question if i have a 3g wich has os 2.2
and im using the att sim since i got a contract with them.
now if i whant to unlock my phone and use att and tmobile do i activate through itunes or quickpwn.

i have the same question, and exactly the same options on my iphone, can you help us?

baseband 2.30.05
i try to put card of t-mobile on the iphone but it just don't want to connect to the network on t-mobile?

Marty88 you can not unlock the baseband 2.30.03 to work with tmobile at least not yet.

Originally Posted by ggonxhi

hi i have a question if i have a 3g wich has os 2.2
and im using the att sim since i got a contract with them.
now if i whant to unlock my phone and use att and tmobile do i activate through itunes or quickpwn.

you use quickpwn with firmware 2.2 not 2.2.1
When you run quickpwn, it is smart enough to know that your phone is already activated and will skip the hacktivation.
Run quickpwn, select jailbreak + cydia.
when done, just use cydia to get yellowsn0w and you're good to go.