Instructions to reset, factory reset, factory reset or restore AT&T devices

How to reset, reset, factory reset, factory reset on AT&T devices step-by-step, instructions for formatting and deleting all content on AT&T brand devices.
Resetting a AT&T is very simple by following the correct steps, find your model and find a way to perform the reset step-by-step. Performing a factory format or reset is very useful when you want to sell or give away your mobile device, or it works very slowly due to lack of space.

AT&T 8525 AT&T 8525
AT&T Mustang AT&T Mustang
AT&T SMT5700 AT&T SMT5700