If you're an AT&T customer, you can unlock your phone using a portal on the AT&T website. You'll need to have paid all of ...

When dealing with an unlocked or locked phone, the question is whether or not the device can work on a specific wireless network that's different than the network the phone was designed to work on. An ...

When you unlock a phone, it means that you alone own the device and can use it with any cell phone carrier.

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 ...

It feels like the issue should have been resolved by now, but alas, seventeen years after the launch of the original iPhone and we’re still arguing about carrier device locking. T-Mobile and AT&T this ...