S23ultra oneUI7 battery drains so fast

[jersey0388]

When it was not yet updated, The battery last for 2 days. Im not a heavy user. But now, half of the day I need to charge it again even using save bat mode.. any fix on this? And how?

[karlos_]

Back up your files. Reset your phone.

[nloukei]

Wipe Cache Partition. Don't worry this won't lose any data

[nloukei]

Turn off phone
Connect phone to computer
Hold volume up + power button
Choose wipe cach partition
Reboot