The Xiaomi Poco X3 Pro is an entry level smartphone by Xiaomi released March 2021. It is equipped with a 6.67" IPS LCD screen, a 48 MP main camera and runs on the Qualcomm Snapdragon 860.
If the Poco X3 Pro cellphone suddenly cannot be touched when used, and you have tried replacing the LCD with a new one but it still cannot be touched, where is the problem?