Here is how you could turn the Samsung Galaxy S3 on and off.
- Press and hold on the Power button located on the right side of your Samsung Galaxy S3 for at least 3 seconds or until the screen lit up.
- Slide the screen upward with your finger to unlock the screen.
- If it requires a PIN, please enter that then tap OK.
- To turn the Samsung Galaxy S off, just hold on the Power button again for at least 3 seconds
- Tap on the Power off then OK.