To resolve the issue kindly follow the given below steps:-
1. Display brightness level:- Kindly set the device display brightness in auto mode (If available). Steps to adjust brightness in auto mode: Swipe down on the home screen to open notification panel>Turn on Auto brightness.
2. Reset the device:- Settings >General Management > Tap on Reset. Note: Before reset make sure to have back up of the data via Smart Switch Mobile App (Install Smart Switch App > Open > Click on Memory Card Icon >Back Up option > Choose the data for Back up > Back Up).
If the issue still persist, kindly register your concern in Samsung Members app along with screenshots, short videos and error log file(Samsung Members app > Get help > Feedback > Error report/ask question). Note: Please send device log files within 15 minutes of issue occurrence along with the exact issue details.
Facing the same issue on my note 9 since Septembe update (INDIA). Happens almost 80% of the time with power key, when I'm on call, charging cable is disconnected and never when AOD is on, charging cable is plugged in, when I get a notification.
If this issue solved please let me know the solution
