Samsung S7 edge battery sudden drop from 30% to 0%

euynnyl

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Aug 15, 2017
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This problem started this month. The percentage will sometimes start to drop from 30% dropping 1-2% every minute until it suddenly drop from 15% to 0% or sometimes it will have sudden drop from 30% to 10% then to 0% then switch off in less than 1 minute. Downloaded GSam battery and found out the screen is 40+% (but the screen always drain my phone battery so i guess this is not the cause?) Tried wipe partition cache but doesn't work. How should I fix this? Hopefully I don't need to to replace the battery, it's quite expensive.
 
I experienced the same thing with my secondary infinix note 3 pro. fell from 30 to 0 faster than flash could screw up the timeline :D. but it happened only once, actually, on the first run iirc. things have been smooth since.
 

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