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Original topic:

note 20 ultra battery issues

(Topic created on: 21/08/20 23:10)
dojodanfrost
First Poster
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Galaxy Note20 Series
Having terrible battery drain when the phone is not even in use and no background apps. My note 10 plus never had this issue. Last night I went to bed with 26 percent at 10 pm and at 6am this morning the phone was dead 


527 REPLIES 527
Tahafs
First Poster
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Galaxy Note20 Series

Same problem here. Buying note 20 ultra is big and costly mistake that we did. Still my a30 is better than note 20 ultra.

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Ramasas
Apprentice
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Galaxy Note20 Series

Can you tell me what that MDE service is?  It dries the battery hard.

Screenshot_20201212-225428_Device care.jpg

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Artindoril
Apprentice
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Galaxy Note20 Series

To update on this, things are even better on the Jan 2021 release. 10% lower battery, but this time 14h of YouTube music and nearly 4h screen on time. Seems like this is the version of the software the device should have launched with. Just make sure you turn off 5G unless you live in a 5G area. Seems to be a real battery hog otherwise.

Screenshot_20210115-215722_Device care.jpg

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Bills234
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Galaxy Note20 Series

Is this the ctl5 or cua2 update?

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dxtnguyxn2002
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Galaxy Note20 Series
my note 10 plus battery life is a piece of garbage. 92% to 78% within 37 minutes. the only apps I used is Spotify, upday news and abit of bus map to check my bus time. my previous note 9 did the same bloody thing but worst.

Screenshot_20210316-083129_Device care.jpg

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Tekem
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Galaxy Note20 Series

I think the battery drain issue is a problem where the battery loses track of the actual charge that remains.  I have been at 1% for over four hours doing everything normally and the phone hasnt shutoff.  There should be a way to recalibrate the battery just like one can do with a notebook battery.   I am leaving my phone on to see how long it will last at 1%.  

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Tekem
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Galaxy Note20 Series

My phone has been on 1% for well over 12 hours now. With normal usage. 120hz screen, no power savings but aod off.  The battery charge tracking is completely off. 

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Tekem
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Galaxy Note20 Series

Update:  so i let the phone run on 1% for well over 24 hours, with me playing music, streaming videos and using other apps.  The phone died after 27 hours.  When i tried to power on, it said 0% and showed a plug on the screen.  I charged wirelessly for about 1.5 hours and then used the phone.  It dropped down to 80% in like ten minutes, but then stabilized at 80%. I charged again to 100% and so far the battery is functioning normally now.  Some how it lost track of the charge. But it seems fine now.  There should be a way to "reset" the battery like what can be done on laptops when the chip that tracks amperes malfunctions 

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