I have a Galaxy Tab 3 SM-T217A that I purchased used through Cowboom. I would like to unlock it for other carriers. What would be the easiest and cheapest way to do this? I tried the AT&T unlock request page, but I am not an AT&T customer and never have been, and obviously do not know the name of the person who last used this device.
I have investigated the myriad millions of device-unlock services on the net, but my particular device doesn't show up on the drop-down-menu lists of supported devices on most of them.
Solved this one myself. I took the unit to an AT&T store and subscribed to the $15/month pre-paid plan, thereby becoming an AT&T customer. Then I filled out the form on the web site asking for the unlock code, which I got about 2 hours later.
Seemingly every day, there are a bunch of new devices being released. Some are budget devices and some are … more
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?