Note9 Battery drain after one ui 2.5 update

I am noticing it in my A51 and even heating issue

Yes after the one ui 2.5 update I have noticed a drop in my battery life and I am using an s10. I hope they fix it with one ui 3.0

Dear Samsung Member,

Greetings from Samsung Customer Support!

We apologize for the inconvenience caused to you. To resolve battery issue kindly follow the below given step:-

- Battery optimization:- Settings > Select Device Maintenance/Device Care>Optimize>Optimize all options like Battery, Storage and Memory

For more information on battery drainage please click on the link below:-
http://www.samsung.com/in/support/skp/faq/1101689

If the issue still persist, kindly register your concern in Samsung Members app (Samsung Members app > Get help > Feedback > Error report/ask question). Kindly send us the screenshot (which apps are consuming most of the battery).
Note: Please send device log files within 15 minutes of issue occurrence along with the exact issue details.

Thank you for writing to Samsung.

Warm Regards,
Samsung Customer Support