This information is applicable for all the realme devices.
Fingerprint recognition is to identify the ID by the fingerprints，its biggest advantage is safe and convenient、fast recognition，easy to operate with reliability，because all the fingers don't have the same texture, so there is basically no mis-identification probability, at present, fingerprint recognition is the most used method of security authentication.
二. Using fingerprint
(1) Before adding fingerprints，you need to create a passcode for your phone：Settings-->Fingerprint,Face & Passcode-->Fingerprint-->Create password-->Add a Fingerprint
(2) Follow the instructions on the screen, gently place your finger on the home button, until the fingerprint is recorded.
If you need to enroll other possible fingers, repeat steps (1) and (2)
Delete the fingerprint
⑴ Settings-->Fingerprint,Face & Passcode-->Fingerprint-->Input create password-->Click on the fingerprint you added.
(2) Click [Delete Fingerprint] Or delete the fingerprint name and click [Delete Fingerprint].
Can be used.
Unlock：use your fingerprint to unlock your phone screen.
Application encryption：use fingerprint to unlock any application that is encrypted（Settings-->Security-->App Encrption.
Private safe: use your fingerprint to unlock private files(Settings-->Security-->Private Safe).
Pay：can use fingerprints for payment.