If HTC Vivid is running slower than normal, an application is not performing properly, or HTC Vivid becomes unresponsive, try restarting HTC Vivid and see if that helps solve the problem.
If the display is off, press the
button to turn it back on.
Unlock the display.
Press and hold the Restart.
button, and then tap
When asked to confirm, tap Restart.
Note: If these steps don't work, you can remove and replace the battery, and then turn HTC Vivid on to restart it.