If your device are causing problems, you can enter the safe mode to troubleshoot the problem by
1)Turning off your device
2)Press the power button.
3)When the time the Samsung logo appears, hold down the Volume down key until you reach the lock screen.
1)Turning off your device
2)Press the power button.
3)When the time the Samsung logo appears, hold down the Volume down key until you reach the lock screen.