how to hard reset samsung galaxy S3
- Press and hold Volume Up and the middle Home button.
- Press Power until the device vibrates.
- Wait for the Android logo to appear and release the buttons.
- Select Wipe data/Factory reset with Volume Down, press Power.
- Select Yes – delete all user data with Volue Down and press Power.
force reset the device [press and hold power bottom 5to 10 second
