1 Find "Screen lock"
Slide your finger downwards starting from the top of the screen.
Press the settings icon.
Press Security.
Press Fingerprint scanner. If you haven't previously selected a phone lock code, key in a code of your own choice twice.
2 Add fingerprint
Press Add fingerprint.
Press START and follow the instructions on the screen to add your fingerprint.
Press DONE.
3 Turn off use of phone lock code
Press Screen lock and key in the current phone lock code.
Press None.
Press YES, REMOVE.
4 Return to the home screen
Press the Home key to return to the home screen.