Samsung Galaxy M40 User Manual

Settings117Deleting the registered face dataYou can delete face data that you have registered.1 On the Settings screen, tap Biometrics and security → Face recognition.2 Unlock the screen using the preset screen lock method.3 Tap Remove face data → Remove.Once the registered face is deleted, all the related features will also be deactivated.Unlocking the screen with your faceYou can unlock the screen with your face instead of using a pattern, PIN, or password.1 On the Settings screen, tap Biometrics and security → Face recognition.2 Unlock the screen using the preset screen lock method.3 Tap the Face unlock switch to activate it.• If you want to set the device to unlock the screen without swiping on thelocked screen after recognising your face, tap the Stay on Lock screen switch todeactivate it.• If you want to reduce the possibility of recognising faces in photos or videos,tap the Faster recognition switch to deactivate it. This may decrease the facerecognition speed.• If you want to increase the recognition rate in a dark place, tap the Brighten screenswitch to activate it.4 On the locked screen, look at the screen.When your face is recognised, you can unlock the screen without using any additionalscreen lock method. If your face is not recognised, use the preset screen lock method.