How to Add and Use Fingerprint Unlock on Samsung S25

Setting Up Fingerprint Unlock on Samsung S25

• ⚙️ Navigate to Settings on your Samsung S25.
• 🔒 Select Privacy and Security (or Security and Privacy).
• 👆 Tap on Screen Lock and Biometrics, then Fingerprints.

Registering Your Fingerprint

• 🔑 If prompted, enter your current screen lock PIN or password. If you don't have one, you'll need to set it up first, as forgetting it can lead to a full phone erase.
• ▶️ Click Continue and then Register.
• 👆 Place your finger on the ultrasonic fingerprint sensor on the screen, lifting and tapping multiple times as prompted to scan the entire area.

Tips for Ultrasonic Sensor and Additional Fingerprints

• ⚠️ Be aware that ultrasonic sensors may not work with certain screen protectors. Re-enrolling your fingerprint is recommended after switching to a new screen protector.
• ➕ You have the option to add another fingerprint for convenience.

Testing and Finalizing Unlock

• 🔒 Lock your phone and test the fingerprint unlock by tapping the correct spot on the screen.
• 💡 With practice, you'll become accustomed to the fingerprint sensor's location, making unlocking quick and intuitive.
• ✅ The ultrasonic sensor offers enhanced security compared to other types of sensors.