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The proximity sensor forms one of the fundamental parts of a smartphone. Whether it is in a Xiaomi Mi A3 , a Redmi Note 8 Pro or any other smartphone from the firm, this allows the screen to turn off when we are making a voice call. In addition, if the proximity sensor is correctly calibrated, it will allow us to listen to WhatsApp voice messages through the terminal’s speaker . The same happens with the rest of messaging applications, since this sensor is in charge of detecting that we have our Xiaomi stuck to our ears. Of course, the proximity sensor fulfills a highly important functionality such as that our Xiaomi does not turn on accidentally if we have it stored in our pocket . Calibrating the sensor correctly will make the system itself automatically detect that it is stored in our pocket, bag, backpack, etc. How to calibrate the proximity sensor of your Xiaomi, Redmi or POCO If what we want is to calibrate the proximity sensor of a Xiaomi mobile device, whether it ...