Fix Fingerprint Sensor Not Working on Samsung S23 Ultra

With Samsung S23, S23 Plus, and S23 Ultra, you have got a lot of options to secure and keep the device locked. Say it PIN, Password, Fingerprint, or Face Unlock; all of these have their own potential to secure the device; no one can beat the PIN and Password lock settings. While Fingerprint and Face Unlock is modern but not as secure as PIN or Password, and quicker to unlock the phone. With the updates and improvements, Fingerprint and Face Unlock have been more powerful and way better than ever.

While Face Unlock is still not recommended because it continuously searches for a Face and hence eats up battery for no reason. And if you’re using Fingerprint and it’s not working, continue to read the article and fix the Fingerprint scanner not working on Samsung S23 Ultra, S23, and S23 Plus.

Fix Fingerprint Not Working with Screen Protector on Samsung S23 Ultra, S23, S23 Plus

Clean your Finger and Screen

Samsung S23, S23 Plus, and S23 Ultra all of these devices come with ultrasonic fingerprint sensor, which means the fingerprint sensor is integrated into the display itself. With this advanced technology, you still need to clean the fingerprint and display for smooth operations. Use any soft piece of cloth, a little wet, and rub it over the screen.

Force Reboot

Press and hold the Volume Up button and Side button until the Samsung logo appears. Force rebooting is equivalent to removing the battery and placing it back; that’s what we used to do with earlier phones with removable batteries. But with the non-removable battery, there’s nothing you can do but force restart the system. This can pretty much resolve all the app and firmware crashing problems and fix minor glitches.

Check for Software Updates

In the Android market, Samsung is one of the biggest play to release software updates and security patches periodically. That’s why keeping the system up to date is advisable for the latest available One UI and Android OS. Apart from fixing software glitches, new updates bring new features.

  1. Go to the Settings app.
  2. Scroll down to Software Update.
  3. Select Check for updates.
  4. Select Download and install.

Delete and Register Fingerprint

Samsung fingerprint sensor has improved a lot that it was before. Over time, the biometric sensor is more secure. So the fingerprint that you have registered should match your fingerprint without any deviation. But it is impossible that your fingerprint will remain the same for a longer period, but you can add up to five fingerprints. Delete the existing fingerprint and register a new one.

  1. Go to the Settings app.
  2. Tap Biometrics and security.
  3. Select Fingerprints.
  4. Tap on Fingerprint and Remove it.
  5. Tap on Add fingerprint and register a new one.

Do Screen Test

We can also check for hardware faults in Samsung devices without requiring expert help. All the types of sensors, cameras, speakers, vibrate mode, etc. can be checked in just a few steps. Here’s how to check for fingerprint sensor damage,

  1. Go to Phone App and dial *#0*#.
  2. Test Touch and Sensor for a hardware fault.

Remove Screen Protector

Thicker the screen protector, the superior the protection. Well, that’s not the case. A thicker and incompatible display protector will make the screen and fingerprint unresponsive. Check the description if you’ve bought it online, or contact the store if you’ve purchased it offline to check the compatibility.  

Why is my fingerprint sensor not working on Samsung S23 Ultra?

Fingerprint Sensor on Samsung S23 Ultra might not be working because of a software glitch, a corrupted fingerprint, or an incompatible screen protector.

How do I reset my fingerprint on my Samsung S23?

Go to Settings > Biometrics and security > Fingerprints > Select Fingerprint and Delete it.

How do I scan fingerprint on Samsung S23 Ultra?

Put the finger on the front screen, and ensure the screen and finger are clean for a smooth response.

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