Rollback on android 10 version because in android 11 my phone is frezze and restart automatically in a day many times after the update i thikSo any one tell me how to back on android 10

This is sumsung a50s phoneI do all thing like in a safe modeAnd remove third party apkFactory resetSystem setting reset and so many things that i can doThe problem is on run time phone se frezze any key or power button not working nor touchthe...

Sumaung a50s .In a day many time the phone is frezze and restart automatically then open itselfSomeone says that its is update problem. I don't know where from this problem generatePlease solve this problemThanks you