Active Level 2
I have updated my note 8. When is use battry backup is zero plz new update release as so as possible solve my problem
Expert Level 5
did you 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
Expert Level 5
besides this if you use frequently fb then disable auto play vide
and if on wifi then also disable auto play video on YouTube
and go to battery and check which app consuming more battery
Active Level 7

Dear Samsung Member,

Greetings from Samsung Customer Support!


To resolve "Battery drainage" issue kindly follow the given below step:

>>Battery optimization:-Settings>Select Device Maintenance/Device Care>Optimize>Optimize all options like Battery, Storage and Memory.

For more information on battery drainage please click on the link below:


If the issue still persist, kindly register your concern in Samsung Members app (Samsung Members app > Get help > Feedback > Error report/ask question) along with the Video or Screen-shots(which application is taking most of the battery). This will help us to further investigate and resolve your concern.
Note: Please send device log files within 15 minutes of issue occurrence along with the exact issue details.


Thank you for writing to Samsung.


Warm Regards,
Samsung Customer Support