The proximity sensor forms one of the fundamental parts of a smartphones. Whether in a Xiaomi Mi A3, a Redmi Note 8 Pro or any other smartphone of 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 speaker from the terminal. The same happens with the rest of the messaging applications since this sensor is in charge of detecting that we have our Xiaomi glued to the ear.

Of course, the proximity sensor fulfills a highly important functionality such as our Xiaomi does not accidentally turn on if we have it stored in our pocket. Calibrating the sensor correctly will cause the system itself to automatically detect that it is stored in our pocket, purse, 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, be it a Xiaomi, a Redmi or a POCO, the process to follow for its correct calibration will be as follows:

  1. Go to Settings> My device> All specifications
  2. Once inside we will press several times on “Kernel version” Until the Hardware Test CIT Menu opens (It can also be started by dialing * # * # 6484 # * # *

Once inside the CIT menu, depending on our version of MIUI we must carry out the following steps in order to start the proximity sensor calibration from our Xiaomi:

  1. In the CIT Menu, click on the 3 points in the upper right part and then we enter “Proximity sensor calibration“.
  2. After that, we will cover the proximity sensor until the value “5” of the Proximity sensor test is set to 0. Then we press on the “button. Calibration” In order to calibrate the proximity sensor of our Xiaomi.

It should be noted that in some terminals this option is located in another section of the CIT Menu. Specifically, we will find it in the “Proximity sensor” menu of said check menu.