Press and hold the Side key and Volume Down key together
Tap Power off on the screen
Tap Power off again to confirm
If your phone has a Power key, press and hold it until the power menu appears
Tap Power off
If the screen is unresponsive, press and hold the Side key and Volume Down key for about 10 to 15 seconds until the phone turns off
If your Samsung phone has a Bixby key, press and hold the Side key or Bixby key until the power menu appears
Use the Quick Settings panel and tap the Power icon if available
If needed, remove the battery only on models with a removable battery