Active Level 3
So..the thing is on my Galaxy Note 8 I've been experiencing some serious battery drain issues after the battery hits at 15% charge, the percentage of the battery drops like water dripping from a fully opened tap, and it literally went from 15% to 5% in literally no more than 30 seconds.....should this be happening with my device? Is anyone other than me experiencing this type of battery drain?
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Device: Galaxy Note 8
System: Android 9.0/ONE UI 1.0 with 2020, January security patch installed
11 Comments
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Active Level 7
format
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Active Level 3
can't do for some particular reasons
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Active Level 4
optimised your phone daily. Check update daily, Unnecessary apps should be removed immediately. / The apps that you are not using regularly, remove the apps.
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Active Level 3
already been doing that for days now
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Active Level 4
Samsung devices aren't waste for battery backup.
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Active Level 3
what are you trying to say?
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Expert Level 1

It seems your battery is uncalibrated.

Do these steps-

Charge device to 100%

 

Unplug

 

Open dialer and Enter code- *#0228# and tap on Quick Start

 

Wait for display to come back on

 

Repeat 3x (see if the battery % on the diagnosis screen changes a lot, if it does do it until it mostly levels out. If it doesn't level out, replace battery)

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Active Level 3
I'll give it a try
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Active Level 6
You battery is worn out

Get new battery installed and all issues will be fixed

battery health have gone below 70%
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