person using fingerpring scanner on android phone

In-display fingerprint scanner not working on Android? Try these fixes

The fingerprint scanner is one of the most secure ways to keep your Android smartphone safe from unauthorized access. While the feature provides you with a quick and easy way to unlock your phone, it may not always respond as you expect at times.


Fortunately, there are ways to improve its performance. Here are 10 solutions that you can try when the in-display fingerprint scanner is not working.


1. Remove the accumulated dirt from the scanner

Dirt and grime can build up on your screen over time, preventing the scanner underneath from being able to properly read your fingerprint. The easiest way to fix this is to clean your phone screen.

Use a microfiber cloth or an alcohol-based cleaning solution to wipe off any fingerprints or other dirt that may have accumulated on the surface of the scanner.

2. Reboot your phone

Restarting your device is always a good idea when you’re having issues with any of its basic functions, including the in-display fingerprint sensor. If you haven’t already done so recently, try restarting your phone now.

3. Move to a warmer or cooler environment

One of the most common reasons for an in-display fingerprint scanner not working is temperature fluctuation.

If your phone has been in a warm place for a while, and you suddenly move it to a cooler environment, this may cause the sensor to not work properly. The same also applies when you put your phone outside during the winter season, it can get too cold for the sensor to read your fingerprint properly.

To fix this, try moving your phone to a warmer or cooler environment where it is neither too hot nor too cold. This can help fix the sensor issue and may be enough to get things working properly again.

4. Remove the screen protector

Screen protectors are designed to protect your screen from scratches and scuffs, but they can also cause problems with some in-screen fingerprint scanners.

in such case, Remove the screen protector from your phone screen may help solve this problem. You can try replacing it with a different one, but this time you have to Consider two factors before purchasing a screen protector. If the problem persists, you can consider not having one altogether.

5. Improved scanner touch sensitivity

In-display fingerprint scanners can rely on different types of technology. Pixel phones, for example, use optical sensors while Samsung devices come with ultrasonic sensors. The latter are generally more accurate, and you should be less likely to have problems with them.

But the sensors in the screen are rarely as good as the physical and capacitive sensors and can sometimes fail, especially if your fingers are wet, dirty or cold.

To fix this problem, you will need to increase the touch sensitivity of the fingerprint scanner. Here’s how:

  1. Launch the Settings app on your Android phone.
  2. Choose Showand click on File Put on a screen protector or touch sensitivity option to turn it on. The name may differ depending on the type of phone you are using.

6. Re-calibrate your fingerprint

There may be cases where you incorrectly registered your fingerprint, thus preventing the in-display fingerprint scanner from working properly. Sometimes, it seems that some of the fingers that you have registered are not working well. However, you can easily fix this problem by clearing the vital data from your phone and recalibrating your fingerprints again.

Menus and options may look different on different phones, but the general steps are by far the same.

  1. Launch the Settings app on your phone, and head over to protection Section. or write fingerprint in the search bar in Settings.
  2. Open the Fingerprints option, where you will be asked to confirm your PIN or pattern.
  3. A list of the list of fingerprints registered on the phone will then be displayed (you may find them under Fingerprint unlock button); Click on each one and select Removal.
  4. Go back to the Fingerprints menu if necessary. Click on Add your fingerprint Option to re-register your fingerprints.

You can also try using two or more of the available slots to register the same fingerprint more than once. This can increase the amount of detail the sensor reads from your finger.

7. Check for software updates

When was the last time you checked for software updates? If it has been a long time since your phone was last updated, there may be a bug in the latest software that is preventing the fingerprint reader from working properly.

  1. Launch the Settings app, scroll down, and tap system update Selection.
  2. Your phone will automatically check for and download any updates. Click on Installations button, if there is any update available.

8. Factory reset your phone

If you’re having issues with your phone’s fingerprint scanner and you’ve tried everything else on this list, it’s possible that something is wrong with your phone itself.

In other words, it might be time Factory reset your phone So everything goes back to its original state before installing any apps or changing any settings.

  1. Launch the Settings app, scroll down and tap System or Public Administration.
  2. Next, select Re-Set and press Factory reset.

9. Use an alternate unlocking method

The majority of people who have phones with an in-display fingerprint scanner use it as a security feature that allows them to unlock their device. You can also use it to unlock apps that require secure logins, such as mobile banking apps.

If the fingerprint scanner is not working after applying the above solutions, you can Unlock your phone using another secure method. You’ll need to set individual apps to use a PIN or password instead.

This will ensure that your confidential information is secured while you try to detect the problem with the fingerprint scanner.

10. Repair or replace your phone

If your fingerprint sensor doesn’t work well out of the box, it’s worth getting your phone replaced during the warranty period.

If you have it longer than that, you may need to fix it. You can do a quick evaluation of the device before you send it to a technician. This way you will be able to check for cracks on its surface when you turn on the screen. You may have accidentally dropped it. A cracked or broken screen prevents the in-display fingerprint scanner from working properly.

You will need to seek the services of an authorized technician preferably one that is approved by the manufacturer of your phone. They will be able to identify the problem and fix your device so that you can go back to using the fingerprint security features with complete safety.

Finally, if your phone is insured, you can contact your service provider regarding the issue and have them fix it.

Restore the functionality of the in-display fingerprint scanner

We hope you were able to resolve the issues you are experiencing with the in-display fingerprint scanner. The general idea is to go through each of these troubleshooting tips so that you can resolve the issue. In many cases, this issue shouldn’t be a major problem, and you’ll be able to fix it quickly.

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