After March 01; 2020 security update Note 9 getting too heat while playing PUBG. I checked with some simulator apps, it getting upto 40 degrees celcius.
Kindly follow the below mentioned troubleshooting steps and be assured that it should resolve your issue: 1) On the home screen swipe down the notification panel. Turn off Wi-Fi, GPS, Bluetooth, and other connectivity features when not using them.
If the issue still persists kindly attach the log file and send it to us in the Samsung member application(attach when the issue occurs within first 15 minutes of the occurrence of the issue.):- Samsung Members App > Feedback >Error report > Attach log file.
