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Try this codes to calibration of proximity sensor: *#*#6484#*#* *#*#64663#*#* When you perform the calibration procedure, the smartphone activates the adaptive brightness option, ie if you just turn on adaptive brightness the sensor will operate normally. if you calibrate and deactivate the adaptive brightness option, the sensor will again cause problems. PS1: try it with and without protecting glass..find out how better is responding PS2: or try Proximity Sensor Reset app https://play.google.com/store/ap ... roximitysensorreset PS3: or open Settings - About device - click several times on the kernel version, after that you enter to the engineering menu and calibrate the proximity sensor if possible (but it not possible on Mi A3...sorry) It's a software problem, I hope they fix it soon. |
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