Some apps that you download can cause issues with your phone. Try the steps below if your phone has any of these problems: Restarting itself, Freezing, Crashing, Running slow. After entering safe mode use your phone normally and check if the problem goes away. If it does, an app is likely causing your problem.
How to Enter Safe Mode
1. Push the Power key for a few seconds.
2. Tap and hold Power off until Reboot in Safe Mode appears.
3. Select Ok
4. The device will reboot in Safe mode
How to Exit Safe Mode
1. Push the Power key for a few seconds.
2. Tap the Restart button.
3. The device will reboot normally.