I got a Verizon HTC one M7 unlocked phone. I inserted the Tmobile 4G card but I couldn't connect to 4G or even 3G data network. Can anyone please help me. I spend like 400 bucks for the phone and its useless if I dont get this.
XDA Developers was founded by developers, for developers. It is now a valuable resource for people who want to make the most of their mobile devices, from customizing the look and feel to adding new functionality. Are you a developer?