Turn use of phone lock code on or off
The phone lock code prevents others from accessing the contents of your mobile phone (pictures, messages etc.). When the phone lock code is turned on, it needs to be used every time you turn on your mobile phone and when it has been in sleep mode.
Find "Security & privacy"
Tap Security & privacy.
Create phone lock code using a fingerprint
Tap Fingerprint ID.
Tap CHANGE UNLOCK METHOD.
Tap the required phone lock code and follow the instructions on the screen to create an additional phone lock code.
Tap New in-screen fingerprint.
Tap ADD FINGERPRINT and follow the instructions on the screen to create the phone lock code using your fingerprint.
Tap the indicators next to the required settings.
Tap arrow left twice.
Turn off use of phone lock code
Tap Lock screen password.
Tap Disable lock screen password.
Key in the current phone lock code and tap DISABLE.
Return to the home screen
Slide your finger upwards starting from the bottom of the screen to return to the home screen.