main reason for all to fail is bug instability you can either wait for next stable update or follow some advice and tips I could give you 1 use adaptive battery 2 use medium power save 3 prevent background apps from consuming data in battery device care 4 put unused apps to sleep 5 reduce some permissions given to apps that are not necessary for running of app 6 use dark mode 7 use location when necessary as in maps Google search or any location based app else constant use loads battery causing heating 8 prevent network inputs like NFC bluetooth WiFi from working together too many network inputs will cause heating and lagging 9 while charging keep phone idle 10 turn off auto sync use when necessary 11 reset phone settings once clear cache 12 if nothing works once try factory reset
I hope this helps because one ui bugs can be fixed by samsung when new updates come till then try these tips they could help to reduce battery heat up and loading so that smooth charging works and device runs smoothly
so I called it wothy less device. Me too facing same problem. Battery drins within 3.5 hrs in balanced power optimization. For 5 hrs screen time I have to switch to medium mode 60 fps. So whats use of this flagship. better to go budget device. true
I ve disabled game launcher, optimizing service and game booster and I ve been playing pubg at 60 hz , as suggested by someone, and this has helped me a bit - seen better performances and didn't see any lags as such. also as suggested, try using ur phone in medium power saving mode to reduce the heating . I know it **bleep** using all the mediocre settings in a flagship device but we really don't have any option ..I don't know Samsung's really losing their customers, they will be the next Nokia in future, taking customers for granted .