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Original topic:

S21 Ultra - battery drain

(Topic created on: 12-03-2021 07:33 AM)
Jjb85
Explorer
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Galaxy S21 Series
I've really started to notice my battery is not lasting the full day. Its mostly just on my desk all day but come the evening, the battery is saying it needs charged. 

Im not sure how to work out what might be draining it or what I might be able to do to investigate or fix it - so any advice or suggestions would be most welcome!
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52 REPLIES 52
Newstarter
Explorer
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Galaxy S21 Series
Hello... look at your 'in deep sleep' time and 'screen off' time in accubattery compared to mine... this could be why it's draining as it not really 'asleep' when the screen is off.

Screenshot_20210311-194909_AccuBattery_12971.jpg

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Newstarter
Explorer
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Galaxy S21 Series
Here are my stats for the phone

Screenshot_20210311-195710_Gallery_12975.jpg

Screenshot_20210311-195632_AccuBattery_12973.jpg

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Darbis
Pathfinder
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Galaxy S21 Series

CHECK YOUR BATTERY SETTINGS from Device care. Set each app to use background battery or not. I use AOD all the time lasts easily 24 hours with on screen time of 3-4 hours

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Darbis
Pathfinder
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Galaxy S21 Series

That wont matter so so much, it does but it is not the killer. He has some apps that are killing it, maybe too many notifications from several apps but background battery use of those apps.

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Gionike
Voyager
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Galaxy S21 Series
I have exynos too and i am a HEAVY user , x note user, and the battery usually lasts 15-20 hours with average 6 hours screen on time

Screenshot_20210310-193954_Device care_22975.jpg

tinglish
Helping Hand
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Galaxy S21 Series
hi have you tried a partition cache wipe?
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Members_OAzQBl9
First Poster
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Galaxy S21 Series

Is that WQHD +120Hz?

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Jjb85
Explorer
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Galaxy S21 Series
can you send a screenshot of what you mean please?
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Jjb85
Explorer
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Galaxy S21 Series
thank you. I thought that, but I'm not sure what's keeping it on. there were some apps not in optimising, and I've put everything to sleep that I don't need the notifications for, but it's still saying it estimates the phone lasting 14hrs... any other suggestions welcome please!!
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Jjb85
Explorer
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Galaxy S21 Series
see, it's saying it will only last approx 14 hours Vs over a day for you! 😩

Screenshot_20210312-073616_Device care_37362.jpg

Screenshot_20210312-073556_AccuBattery_37361.jpg

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