PROBLEMS WITH I PHONE 1.1.2 HELP WITH MY JAILBREAK

Problem
I have an i-phone 1.1.2 that was just unlocked and Im with T-mobile, and when I plug it into my computer and turn on itunes, it sees my iphone but is says " There is no carrier that supports installed sim card in the iPhone. Please disconnect and insert a valid sim card in the iPhone.

How to Fix The Jailbreak
Restore your iphone on itunes and then unlock again using another software that might be able to help you surf my site there are some real easy Jailbreak tools on here.