Unlocking not working

[stt816]

I have SAM for the iphone 4 i have the latest firmware. I am jailbroken as well but I tried every method and nothing works. It is an AT&T iphone trying to go to tmobile. itunes says sim not supported no matter what i do...please help

 

[RocketRed]

I have SAM for the iphone 4 i have the latest firmware. I am jailbroken as well but I tried every method and nothing works. It is an AT&T iphone trying to go to tmobile. itunes says sim not supported no matter what i do...please help

go to AT&T and get them to unlock it for you.

 

[lordofthereef]

go to AT&T and get them to unlock it for you.

This wil work... if the phone isn't tied to a current and active contract.