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.
Enter Safe Mode
1. Press and hold the power key for a few seconds.
2. Tap and hold power-off icon until Reboot to safe mode appears.
3. Select OK.
4. The device will reboot to safe mode.
Exit Safe Mode
1. Press and hold the power key for a few seconds.
2. Tap Restart.
3. The device will reboot normally.
Note: If the issue did not continue in safe mode, then please first try to identify problem apps here.
If no problem app could be found, then please back up and reset your phone.