How To Fix Xiaomi Mi 10t Black Screen -

always calibrate the proximity sensor by dialing *#*#6484#*#* → "Proximity sensor test".

A completely drained battery can cause a black screen. How to fix XIAOMI Mi 10T black screen

After 45 mins, check if the back of the phone near the camera gets slightly warm. Heat suggests charging is active despite no display. How to fix XIAOMI Mi 10T black screen