The fingerprint scanner does not react? Step.By.Step instructions on how to fix everything
On Xiaomi smartphones, high.Quality dactyloscopic sensors are installed, which instantly read a finger pattern for user identification. However, situations arise when identifying the owner is not possible due to a breakdown or failure in the operation of the device. Why this happens and how you can solve the problems that have arisen, you will learn from our article.
If the Xiaomi scanner does not work, then it is recommended to thoroughly and carefully wipe it, as well as wash your hands thoroughly. As practice shows, difficulties arise due to the presence of pollution.
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Xiaomi Redmi 7 does not work a fingerprint scanner
It is worth noting in advance that the sensors on Xiaomi can incorrectly work if the finger is dirty or wet. If there is no problem, then there are two reasons. Hardware or software.
1 method: the recording of the pattern could be broken or interrupted.
First you need to enter new data on the scanner: click “Settings” “Blocking and Protection” “Printing Management” “Add a fingerprint”.
2 method: completely discharge the smartphone, up to 0% with independent shutdown. In a few hours, charge up to 100%, not including it. Without removing from charging, turn it on. A message for identification for the scanner should appear.
3 method: if you try to introduce a new pattern, the messages “Repeat the attempt” appear or “failed to add a fingerprint”, do the following: “Settings” “Expanded Settings” “For Developers”, turn off this mode.
4 Method: try to reset the settings to factory.
5 method: try changing the language: “Settings” “Expanded settings” “Language and input” section “Languages” Switch to “English”.
6 Method: The sensor may not work due to failures when updating the firmware. It is necessary to reset the settings to the factory: “Settings” “Extended settings” “Restoration and reset” “Reset of settings” “Reset settings” (they are located at the bottom of the page of this section of the settings menu).
With these actions, all data will be deleted. Copy information to other devices, the SD card must be removed. Perform this operation if you are completely sure and have experience.
If the result remains the same, it remains either to reflash the phone, or contact the service center.
Xiaomi Redmi 7 The fingerprint scanner does not work. Solution
Attention! We are not responsible for all your manipulations with the phone, performed according to our instructions. The repairs must be performed by a qualified specialist. Contact the repair service we proposed.
When the quality of pixels is determined, among them it was possible to detect “burnt”, you can begin to search for applications that will correct the situation:
- JSCREENFIX is easy to use, you need to use the FIX Stuck Pixels button to start work. The developer promises 30 minutes to perform this operation, but the masters of service centers recommend leaving devices. For at least 10-12 hours for a more complete check;
- Pixel Fixer: Another program similar to Jscreenfix. To restore pixels, you must also click on the green button;
- “Treatment of broken pixels”: the platform is just testing a mobile phone on broken pixels. And then he “treats” them, but at the same time reveals other defects in the display.
When using applications, it is recommended for the time of “treatment”, the device does not turn it off from charging devices. During pixel processing, the smartphone is constantly turned on, so charging may not be enough.
Screen microcracks fraught with rupture of the power chain. If this happens, then you will have to change the screen. Fortunately, in China, they are several times cheaper.
It happens, and the malfunctions lies in the improper installation of the SIM card, or flash drives. Try to take them out and check what will happen.
A card with problems can be fixed by restoring broken clusters using PC.
With a concussion, a poorly exhibited plug from the display may fall out. Which will entail a shutdown of the image transmission module, or partial shutdown.
Remove the cover of the device, and stick the train into the nest. If it is inserted, then remove it and insert. At the same time, do not forget to turn off the power loop from the battery.
The fingerprint scanner does not work on Xiaomi, Redmi or Poco?
Many owners of Xiaomi, Redmi and Poco smartphones sometimes complain that the fingerprint scanner has disappeared on Xiaomi or Xiaomi stopped working with a fingerprint scanner. In this article we will tell you what can be connected and how to try to solve this problem.
It should be noted right away that on Xiaomi, a fingerprint scanner can not only not work or work inadequately, but even the gap the point of unlocking the print in the settings of the installed firmware miui.
If fingerprints are not recognized by the sensor due to any problems related to software, you can try to re-add the imprint. In Miui 12, you need to go to settings. Passwords and safety. Unlocking the print and add a new imprint, having previously removed the old.
The consequences of updating MIUI
Very often on the smartphones Xiaomi, Redmi and Poco, the fingerprint scanner stops working after installing a fresh MIUI shell update. In this situation, the installation of full firmware can help or, if this does not help, reset the device to factory settings. In MIUI 12, for this, you need to go to settings. About the phone. Reset of settings.
A curious solution with the fingerprint scanner of the finger of the Global Forum Mi Community that refused to be a Xiaomi scanner. To “return to life” of a fingerprint scanner on Xiaomi, Redmi or Poco, it is necessary to discharge the battery of the device up to 0%, then completely charge it, not including the smartphone to 100%, and then turn on the device without disconnecting it from the charger.
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Despite the fact that there is no logic in this solution at all, it often works and the fingerprint scanner on Xiaomi begins to work normally.
Also, a fingerprint scanner on Xiaomi, Redmi and Poco may stop working for hardware reasons. For example, if there is any crack or chip on the smartphone display, and the scanner itself is subscene, then the recognition of the prints will become problematic.
In addition, after the smartphone falls from the fingerprint sensor, a train can move away-in this case, it is necessary to disassemble the device and eliminate the fault or contact this problem in the nearest service center.
In addition to the complete inoperability of the sensor, you can encounter smaller problems:
The scanner does not always react to touch. Wipe the sensor with a damp cloth. For cleaning, you can resort to alcohol.Containing solution, but only if the scanner is not located under the display. The point “Unlock printing” is not in the settings. Reload the device several times. If it does not help, make a reset. I can’t add a new imprint. Again the discharge to factory settings.
What to do if the fingerprint scanner does not work?
In the case when the fingerprint on Xiaomi Redmi does not work, there are several solutions to the problem.
POS update for the work of the fingerprint scanner
Check your smartphone software if the fingerprint sensor does not work, it may require update. You need to update your device so that all programs work correctly, so try to ensure that your software is always relevant.
After the update, fingerprint does not work
If you have updated the software, and realized that after the update the fingerprint does not work. Probably, the problem is precisely in the errors of the replacement or inconsistency of the device with the requirements of the new update. Then you have to return the old firmware version.
Try to update fingerprints stored in the system, or you can add additional when the main ones stop working. To get into the menu where your prints are stored, you need to enter a password. Instructions how to set up a fingerprint scanner will find here.
Reset to factory settings
Reset the Xiaomi Redmi device to factory settings. Just remember that when completing the rollback, you should create a backup with the preservation of all the valuable information for you (video and photographs, messages, settings of accounts and applications). We remind you how to drop the settings to factory.
Dirt and water
The reason for the refusal of the scanner could be dirt or water. Do not try to apply wet fingers to the scanner. The sensor will not be able to recognize them. The same applies to dirt, dust or fat that may be on your hands.
The solution to the problem, as you already guessed, elementary. Wash and dry your hands.
Replacing the fingerprint scanner
Contact the service center and trust the professionals. If you cannot independently determine why the fingerprint does not work, use the services of the service center, where experts will select and install the appropriate part, eliminate the reason quickly with the minimum cost for you and your Xiaomi device.
We hope that the advice given in the article will help you cope if you are faced with a refusal to work a fingerprint, and if questions arise, write in the Комментарии и мнения владельцев below.
In this situation, the added fingerprint is not recognized by a scanner due to any software problems, for which you need to try to repeat the adding of the print. For Miui 12, this can be done by going into the settings. Passwords and safety. Unlocking the print and add a new imprint or print, deleting the old.
Quite often there is a situation when a fingerprint scanner on Xiaomi, Redmi or Poco stops working after updating the device to a fresh version of the firmware. In this case, the reset of the smartphone to factory installations with a preliminary creation of a backup copy will help. In the actual membrane of MIUI 12, for this, you need to go to settings. About the phone. Resetting settings.
Despite the fact that there is no particular logic here, but, as users report, sometimes “returning to life” a dactyloscopic scanner can be discharged by discharge of the device up to 0% and its complete shutdown, followed by charging to 100% not including, and then turn on the device, without disconnecting it from the charger.
The fingerprint scanner in the smartphones Xiaomi, Redmi and Poco may also not work due to hardware problems. For example, this may be the appearance on the sensor or display, if the fingerprint scanner is fraudulent, any crack or chip, and therefore the scanner cannot recognize the imprint.
In addition, when a smartphone falls, he can simply move away with a train, which is connected to the system board. Then you need to disassemble the device to insert the train into the appropriate nest or contact the service center, if you can’t do this yourself.
These are the main reasons why the Xiaomi scanner does not work on the fingerprints and possible ways to solve them, but if you have additional information about this, we ask to unsubscribe in the Комментарии и мнения владельцев.