Samsung A25 5G How To Set Up Fingerprint or Add Fingerprint Learn how to add a fingerprint on your Samsung Galaxy A25 5G as a biometric lock screen security feature. The Galaxy A25 5G has a fingerprint sensor and before you use it, you have to register your fingerprint. How To Add Fingerprint On Samsung Galaxy A25 5G: Go to Settings Tap on Security and Privacy Select 'Biometrics' Fingerprints Enter your password pin or pattern (or create one) Register your fingerprint as shown in the video. if y