Samsung m21

[Biplawkumar007]

Battery draining quickly 

After September update

Fix this issue 

[Green_Grass]

Go to settings
Then Device care
Then battery
Then background usage limits
Then deep sleeping apps
Click on plus icon (+)
Select every apps
Don't select most important apps
This will really help to make battery really last longer
Thanks

[Samsung_Support2]

Dear Samsung Member,

Greetings from Samsung Customer Support!

We apologize for your inconvenience. To resolve your device battery drain issue please visit this link: 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.

Warm Regards,  
Samsung Customer Support