Fingerprint sensor calibration tool without reset for samsung a51, a30s, a31, a50s, a70, a50, a71, s20 fe, a32

fingerprint calibration

It has been noticed that Samsung a51, a30s, a31, a50s, a70, a50, a71, s20 fe, a32 phones sometimes have problems with the finger sensor.

Either it doesn’t work well, or it doesn’t work at all, and of course, it’s not the same with us as in America. They would immediately take it to the service and get another one for the time of repair.

With us, people first of all try to solve the problem themselves and the first thing that comes to mind, or answers from the network, is to calibrate the fingerprint sensor.

That’s just the functions of such a Samsung did not provide and no one created applications. Therefore, it’s impossible to calibrate, as it were — only the screen sensor is possible (there are such applications).

You can reset the fingerprint scanner, which is essentially the same as calibration (e.g., battery calibration is a data reset).

It is not difficult to perform such a procedure. To do this, you need to select «Applications» in the settings.

apps for samsung a51

Then, when the Samsung a51, a30s, a31, a50s, a70, a50, a71, s20 fe had android 10, you could click on the ellipsis at the top left and select «Show system applications».

Now, as for example in Samsung a32 or a52, and even older ones, when they have android 11 or android 12, this will not work.

Korean, hid this setting, but I got to it. You need to click on the place, which I will show in the picture below, because it does not have a name.

go to system settings apps a30s

Then, at the very top, move the slider to the right opposite the first line (and select «All» if necessary).

show system apps on a31

Then click «OK» at the bottom. Next, press the search (icon) and start writing: It doesn’t have to be complete. Usually, the first six letters are enough and click on the first link you see in the search results.

go to fingerprint settings on a50s

Then scroll down until you see Memory.

fingerprint memory on a70

Did you see? Choose. Click «Clear data».

clear fingerprints on a50

Now the last step remains. Confirm your actions — click «OK».

confirm cleaning on a71

That’s all, I’ll just note that if your Samsung a51, a30s, a32, a31, a50s, a70, a52, a50, a71, s20 or another has physical problems with the fingerprint scanner, then this naturally will not help.

Just like any other super-duper calibration will not help. Then the scanner itself may need to be replaced.

Solving problems with a fingerprint in a Samsung phone

It has been noticed that on a Samsung phone, for example, a50, a51, a31, a7, a21s, a30, a40 and others, the fingerprint is bad or stopped working altogether.

Why? The first is a physical element and can be damaged like a processor or other part of the phone.

Another software-related cause that can cause the problem is a software bug.

You can remove it yourself. I already wrote about the calibration, but now I want to offer another option — to update it. This is done simply and quickly. To do this, launch the system dialer, and enter the code: *#2663#.

enter code *#2663# on s20 fe

Immediately after entering the last character, the engineering menu will appear. There, find and click «SensorHub FW Update».

SensorHub FW Update a32

Wait for the process to complete. If the manufacturer noticed that the fingerprint scanner does not work well, then they must release an update.

Then just after such a procedure it should be established and the problem will disappear if it is caused precisely by his fault.

sensor update on a52

After that, be sure to reboot your Samsung a50, a51, a31, a7, a21s, a30, a40 and see how everything started to work now.

This is certainly not a magic trick for all problems. It just updates the fingerprint sensor software, so it has nothing to do with physical malfunctions. Good luck.

How to calibrate fingerprint on samsung a51 or a31 and a71

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