How to fix your mobile fingerprint reader if it doesn't work

Back, side or on the screenNo matter where it is, the fingerprint reader has established itself as one of the most useful components of the mobile phone.

He did it thanks at the speed it offers, because you can unlock the terminal in the blink of an eye, and thanks to the security that adds to the process, because you can only do it with your fingerprint.

Unfortunately, even the fingerprint reader of your mobile phone can give you problems, encountering serious difficulties when it comes to recognizing your finger. Faced with these breakdowns, you can apply a number of solutions that will help you return the sensor to its original function.




Next, we explain several methods for repair your cell phone's fingerprint reader if it doesn't work, fai attention.

How to fix your mobile fingerprint reader if it doesn't work

There are several solutions to fix your cell phone's fingerprint reader if it doesn't work well.

Re-register your fingerprint

The failure of your mobile fingerprint reader could be due to poor fingerprint recognition when you first set it up. If your cell phone has logged data incorrectly, it may not identify the stored fingerprint anymore with what you really have.

On the other hand, there is also the possibility that the system has mistakenly deleted the configured fingerprints or that the data related to them are been corrupted. Therefore, it is better to re-register your fingerprint in the phone settings. These are the steps you need to follow to do this:

  1. Enter the phone settings and click on "Password and security".
  2. Log in to "Unlock with fingerprint", the section located in the upper right area.
  3. Enter your password or draw the pattern with which you locked the phone.
  4. click on "Footprint1" and delete it.
  5. Then, click "Add fingerprint".
  6. Re-enter the password or pattern and place the finger with which you will unlock the terminal on the fingerprint reader. Follow the onscreen instructions until the new fingerprint setup is complete.

How to fix your mobile fingerprint reader if it doesn't work




This procedure is explained using the example of a Xiaomi mobile, but it is similar in the rest of the Android terminals. The whole thing is to enter the security section of the phone settings, delete the previously configured fingerprints and add the new ones.

Clean the sensor

Just like you need to clean your mobile screen regularly, you should also clean the fingerprint sensor so that it continues to function normally. Dirt can prevent the reader from recognizing your fingerprint well and, in this way, making it impossible to unlock the terminal with your finger. In fact, sometimes the phone itself warns you that the player is dirty and therefore not working properly.

To clean the fingerprint sensor on your mobile, we recommend that you use a damp cloth or microfiber cloth to to clean the area gently. You should avoid using harsh chemicals, wipes that are too wet and rough fabrics which will only worsen the condition of the sensor, can even render it unusable.

Try without the screen protector

How to fix your mobile fingerprint reader if it doesn't work

The screen protector can cause problems with the fingerprint reader.

One of the most advanced technologies in phones today is that of optical fingerprint sensors on the screen, which is the fingerprint reader located under the panel. The fact that it is more advanced does not mean that this technology cannot cause problems, as it can also lose the accuracy and speed of reading your fingerprint.

If the fingerprint reader on your phone's screen isn't working well, it could be due to the protector you use to protect the screen itself. To confirm that this is the cause of the problems, it is enough remove the protection and test the operation of reader Fingerprints. If it works correctly, you already know that the chosen protection is not compatible with your phone's fingerprint reader.




Factory data reset

A more extreme solution to troubleshoot your cell phone's fingerprint reader is to factory reset. By default, Android mobiles give you the option to perform a hard reset from the settings. The steps to follow may vary depending on your phone manufacturer, but in general they are these:



  1. Open the system settings app and look for the section System.
  2. Go to the section "Recovery options" and enter the option "Clear all data".
  3. Follow the instructions indicated, and finally click on the button "Reset phone".

How to fix your mobile fingerprint reader if it doesn't work

After a few minutes of waiting, the factory data reset will be finished and your phone will be ready to be used from 0. Now, to verify that the fingerprint reader errors are gone, you need to re-register your fingerprint.


Bring him to service

The last solution you can use to reuse your mobile fingerprint reader normally is to take it to the technical service so that experts can fix it.

Before taking it to a nearby store, check if the phone it is still in the warranty period so that the manufacturer can take care of the repair. For example, we know that Huawei has a section on their website to review the warranty period and technical support by entering the serial number of the device.

After the corresponding repair, your mobile phone's fingerprint reader will return to its original state and you can now use it to unlock the terminal quickly and easily.

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