If these steps don't work, you can remove and replace the battery,
and then turn HTC Rezound with Beats Audio on to restart it.
Resetting HTC Rezound with Beats Audio
Do a factory reset to return HTC Rezound with Beats Audio to its original
state before the first time you turned it on.
If you’re passing HTC Rezound with Beats Audio on to someone else or
HTC Rezound with Beats Audio has a persistent problem that cannot be
solved, you can perform a factory reset (also called a hard reset). Factory
reset is not a step to be taken lightly. It’ll permanently delete all your data
and customized settings, and will remove any applications you’ve
downloaded and installed. Be sure to back up any data and files you want
to keep before you do a factory reset.
Performing a factory reset via settings
The most convenient way to do a factory reset is via the settings.
1. From the Home screen, press MENU , and then tap Settings.
2. Tap SD & phone storage > Factory data reset.
3. Tap Reset phone, and then tap Erase everything.
Update and reset 339