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How to calibrate Xiaomi proximity sensor.
Proximity sensor calibration on xiaomi redmi, note, mi devices
Reasons for incorrect operation
1. Grease pollution.
2. Lack of holes for the Proximity Sensor on the film or protective glass.
3. The included Mode "In a pocket".
4. The defect of the sensor itself or its low quality after replacing the screen.
5. Raw software.
Actions that can help
1) Cleanup and reboot
We wipe the Proximity Sensor area with a napkin. We reboot the phone under bright lighting.
2) Turn off / on the Proximity Sensor
First, try turning the Proximity Sensor off and on again:
Phone app ➔ three bars (bottom left) ➔ Incoming calls ➔ Proximity sensor.
or
Settings ➔ System apps ➔ Phone ➔ three bars ➔ Incoming calls ➔ Proximity sensor.
3) Turn off Pocket Mode
Settings ➔ Lock & Protect ➔ Advanced Settings ➔ Pocket Mode ➔ Turn off.
The most common reason for a sensor not working correctly is the “pocket lock” function, the meaning of which is to prevent the screen from turning on when the smartphone is in your pocket. Because of this option, the light sensor often does not work correctly.
4) Calibration by regular means
Let's use the System "Engineering test menu":
Settings ➔ About phone ➔ Kernel version ➔ tap on the inscription 5 times.
or
Phone app ➔ #*#64663#*#
We conduct a test in the name of which there is the word "Proximity" (Proximity sensor).
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