Active Level 1
I have A30 almost 1 year complete but now battery not giving good backup and main problem is that when i don't use phone the battery drain continuously... When 30% left battery in night and when i see the battery in the morning the battery 8% left ...its big problem 

please help 
10 Comments
Expert Level 5
firs bro do these settings to save more battery life
1. Connection>more connections settings> disable nearby device settings

2. Location>improve accuracy >disable
A. Wifi scanning
B. Bluetooth scanning .

3. Google >click on 3dot>usage and diagnostics >off this option

4. developer option >background limit>no background processes.

5. Long press on each app specially 3rd party and rarely used app>app info>

A. Mobile data> allow background data usage>off

B. Battery >allow background activity >off

C. Notification >disable unnecessary notifications like promotional and unnecessary reminder notifications.

6. Device care>battery >select "optimised and adaptive power saving.

Steps to enable developer option
settings >about phone>software information >then u find build number >tap 7 times>then back to settings
and at end of settings one new option called developer option
click on it and find that option
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Expert Level 5
and go to battery uses section check which app consuming more battery and implement point no. 5 a b c to this app
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Expert Level 5
definitely this will work for you just after setting and next battery charge observe specially after night situation as you said
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Expert Level 5
and if this is useful for you then please
ACCEPT AS SOLUTION BY CLICKING ON 3DOT AT MY COMMENTS
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Expert Level 5
take backup give factory reset your phone or visit serive center may be slove your problem reinstall software and also send feedback to Samsung
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Expert Level 5
and dont forget to set Google app as so many members saying that Google consuming more battery
and to go google app
go to settings >app>search for Google >
and perform this settings specially 3rd one , i attached image see there is huge notification on by default

A. Mobile data> allow background data usage>off

B. Battery >allow background activity >off

C. Notification >disable unnecessary notifications like promotional and unnecessary reminder notifications.
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Expert Level 5
sir ..please flash firmware from odin or from service center...it's happening because software holes came during update by mobile data or wifi..where accurate process is install software via smart switch or odin
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Active Level 4
i am facing this problem since February update. i did almost everything, factory reset, visited service centre many times but nothing changed. This problem is persistsing in the update which Samsung is not solving.
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Dear Samsung Member,

Greetings from Samsung Customer Support!


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

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