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 ...

AT&T Unlocked Games recently held a competition online for an all-women developer edition, with the winners announced last week. The Unlocked Games winner is Gwen Frey, the developer of Lab Rat, with ...

A US district court has sentenced a man who unlocked 1.9 million AT&T phones to 12 years in prison. Muhammad Fahd continued the seven-year scheme to defraud the company even after learning of an ...

Since leaked specifications, FCC testing and hands-on evidence regarding the Google Nexus One seemingly confirmed that the Android 2.1 smartphone would only support 3G/UMTS on T-Mobile USA, those AT&T ...

For the launch of the iPhone 6S, I elected to buy the T-Mobile version from Apple instead of the AT&T one, because I was planning on paying full price for the phone and the T-Mobile one comes unlocked ...

AT&T finally began unlocking iPhones for customers whose contracts had now expired over the weekend, allowing the device to be used with other SIM-cards from GSM carriers. But for deployed military ...