Settings145Deleting fingerprintsYou can delete registered fingerprints.1 On the Settings screen, tap Lock screen and security → Fingerprints.2 Scan a registered fingerprint, or tap Backup password and enter the backup password.3 Tap EDIT.4 Tick fingerprints to delete and tap REMOVE.Changing the backup passwordYou can change the password that you use as a backup to scanning your fingerprints.1 On the Settings screen, tap Lock screen and security → Fingerprints.2 Scan a registered fingerprint, or tap Backup password and enter the backup password.3 Tap Change backup password.4 Enter a new password and tap CONTINUE.5 Enter the password again and tap OK.Verifying the Samsung account passwordUse fingerprints to verify your Samsung account password. You can use a fingerprint insteadof entering your password, for example, when you purchase content from Galaxy Apps.1 On the Settings screen, tap Lock screen and security → Fingerprints.2 Scan a registered fingerprint, or tap Backup password and enter the backup password.3 Tap the Verify Samsung account switch to activate it.4 Sign in to your Samsung account.