I have an SE T637 that was on my ATT GoPhone account. I have now started a regular Cingular account. I know that Cingular bought ATT, but I think the SE T637 is locked to the ATT system. Is it ...

I don’t want to put words in Lifehacker reader Dominique’s mouth, but I suspect she at started with (a), moved on to (c), and likely surrendered to (e). We’ve all been there. It’s no fun to shatter ...

Basically the title. I know the iPhone 4 works here, because it operates on the same bands, but AT&T's form to unlock the phone doesn't seem to work for me. I've submitted it multiple times with ...