This is my first android phone and im already thinking about switching back to apple 4500Mah is like a 3000Mah overnight it drains 7% and when not in use drains 2-4% Samsung please fix this in the one ui 2.1 update or android 11 because this is gonna be my last android if you all dont fix this problem (battery is not removable either)
Dear Samsung Member,
Greetings from Samsung Customer Support!
Please visit this mentioned link to resolve your device battery drain issue: https://www.samsung.com/in/support/mobile-devices/samsung-mobile-battery-drain-issue/
For further assistance, register your concern in Samsung Members Application (Open Samsung Members Application > Get help > Send Feedback > Error report/Ask questions).
Thank you for writing to Samsung.
Samsung Customer Support