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Battery lasting for shorter time after update

(Topic created: 06-13-2025 06:37 AM)
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kolelno1
Constellation
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Tablets

I updated my tab s9 yesterday to the new ui update. Since then my battery percentage have been lasting way shorter than usual. Normally i wouldd charge it overnight and use it the whole day and even than i would be left with at least 20 percent at the end of the day.

But today (just happened to be the day after the update??) I was left with 15 percent at 3 pm which normally would occure at 8 to 9 pm.

I did nothing different than yesterday, yet something dramatically used all the battery.

Can it be related to any features of the new update? Id appreciate all help.

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Solution
realaud
Honored Contributor
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Tablets

First, after an OS update the device needs to relearn your usage patterns.  Next, YouTube (whether you use it or not) has been identified as a big battery resource hog, as it runs in the background looking for new content.  You can go to the app settings and check the battery section and make sure the setting is on "optimized".  If you don't use the app, select "restricted".  Put the app to sleep.  It will still work if you use it, it just won't search for content until you open the app.  Then go to settings/battery and check which apps are using the largest percent of your battery and make sure those apps are optimized or sleeping (except for system UI and OneUI home - you cannot optimize or put those to sleep).

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1 Reply
Solution
realaud
Honored Contributor
Options
Tablets

First, after an OS update the device needs to relearn your usage patterns.  Next, YouTube (whether you use it or not) has been identified as a big battery resource hog, as it runs in the background looking for new content.  You can go to the app settings and check the battery section and make sure the setting is on "optimized".  If you don't use the app, select "restricted".  Put the app to sleep.  It will still work if you use it, it just won't search for content until you open the app.  Then go to settings/battery and check which apps are using the largest percent of your battery and make sure those apps are optimized or sleeping (except for system UI and OneUI home - you cannot optimize or put those to sleep).