To use secret codes on the POCO X6 Pro Phone (Dialer) app and type the specific code into the keypad
To verify your device's authenticity using the IMEI you retrieved, use the Xiaomi Product Authentication Hardware & Software Fixes how to use secret codes on poco x6 pro
Secret codes are a series of numbers and symbols that, when dialed into the phone's dialer app, trigger specific actions or provide access to hidden menus. These codes are built into the device's firmware and can be used to perform various tasks, such as testing hardware, debugging software, and even configuring advanced settings. To use secret codes on the POCO X6
That is a proximity sensor issue. Dial *#*#6484#*#* -> Proximity Sensor. Place your hand over the top of the screen (near the front camera). The value should change from "Far" to "Near." If not, dial *#*#6485#*#* -> P-Sensor Calibration. Dial *#*#6484#*#* -> Proximity Sensor
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