1. Do a Fresh Registration
You probably already have your prints set-up on your phone, but the company has since pushed out several updates that improved the speed and success rate of the sensor. It's a good idea to register your fingerprints again. Delete the old prints, and do a fresh registration.
2. Register Each Print Twice
More may not always be better, but it's undoubtedly better to have multiple registrations of the same finger. Registering each finger twice gives the phone more data to compare each scan to, and will increase unlock success rates. Be sure to use different angles when registering.
3. Keep the Fingerprint Reader Awake
- Open Settings
- Special Access
- Optimize Battery Usage
- Toggle "All" apps
- Toggle off "com.samsung.android.biometrics.app.settings"
4. Tap, not Press
Instead of pressing down on the sensor, simply tap it. It, at the very least, gives the illusion of a faster response.
In-display finger-print in samsung note
Source
notebookcheck
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