SAMSUNG Z FLIP3 5G F711B phone turns off after closing
 

Hi,
Samsung was have water damage from USB side, nothing special.
After clean it, phone work as well but when I closing him, his turn off.
When he is pluged to charger, the fault does not exist.
He have that issuse only on battery.
Someone can tell tip where could be a problem?

The problem was in hall sensor calibration.
After recalibrate phone works like new.

HI,
Thanks for the reply, Any suggestion how to calibrate this.