Battery drain issue solve (mostly)

[user783]

Hi everyone, if you've experiencing battery drain after One UI 7 update. Kindly follow this 10-Step guide. 

1. Connect your phone to a Laptop/PC(if you don't have one, use another phone)

2. Power it off.

3. Press and hold power and volume up button and stop holding once it shows "Samsung Galaxy"

4. You're now in recovery mode

5. Use power button to select and volume buttons to navigate. 

6. Go to "wipe cache partition"

7. Select it

8. Press 'Yes'

9. Go to "Reboot the device"

10. Use power button to select and successfully complete it.

[vishnucruze]

Ok but mobile storage delete or no ????????

[user783]

No, it clears unused files that are not important.