1. Settings 》Apps 》tap 3 dots 》Reset app preferences 2. Settings 》Device Care 》Battery 》Background usage limits 》 * Deep sleeping apps 》select all apps * Sleeping apps 》select all apps 3. Settings 》Apps 》 Android system Web view 》Tap on 3 dots 》uninstall update Android system intelligence 》Tap on 3 dots 》uninstall updateForce Restart SAMSUNG Galaxy A51 Simultaneously press the Side and Volume Down button until the screen goes dark then release both keys. Wait until SAMSUNG Galaxy A51 will be ready to use.
If your device has been freezing or otherwise not working properly, you can force restart it. This is a handy option if you cannot use the screen. Press and hold the Volume down button and the Side button (or Power key) simultaneously until the device turns off and turns back on.
Samsung phone frozen - how to soft reset or hard reboot. If your device is frozen and unresponsive, press and hold the Power button and the Volume down button down simultaneously for more than 7 seconds to restart it. When your phone resets, you will feel it vibrate. Please note: Depending on your device your power and volume down button may be
1. Turn off your device completely. It should vibrate lightly as a sign that it has powered down. 2. Press and hold the Volume Up button and the Power key for 8 seconds. Once the logo shows, 5) Press Power key to select. When the wipe cache partition is complete, Select Reboot System. 6) Press the Power key to restart the device. .