After update 12 my phone lagging Samsung default app totally not open.... Samsung members and Samsung shop and galaxy store and software update... etc...... some time only open..... and heating and battery drain

After Oneui 4 Update, Battery is draing so fast in my Samsung a52s 5G! Earlier, i thought January update will fix it, but no changes... it is still draning so fast! i feel sad

I bought new mobile a52s . Battery drain fastly 

Pls solve the problem heating issue.. Facebook using 15 miniutes more my mobile is heating problem will coming..