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That does not mean a thing really since it may have been on the previous reading for a long time. ie on 100% for 10 hours and then drops 20% does not mean there is a problem.
Even in a scenario like that seems like there's something off there. Either with it being on 100% for 10 hours and/or with a drop of 20% in mere minutes. Sure, drops are faster once you are out of the initial 5-10% of usage, but things shouldn't be dropping 20% in just mere minutes.
 
Is it just me or is battery life on iOS 11.1 Beta 2 AMAZING?!


I'm using iPhone 5s I have iOS 11.2.1 and my battery drains so far what can I do please help its annoying .from 100% it drains 15% per hour,i have tried changing the battery still no change
 
I'm using iPhone 5s I have iOS 11.2.1 and my battery drains so far what can I do please help its annoying .from 100% it drains 15% per hour,i have tried changing the battery still no change
The beta was much better than the final product. It's a shame, because that beta, specifically, was over and beyond anything I had experienced with iOS so far. The new beta for 11.2.5 is not to bad either, the battery did improve quite a bit so I recommend you to sing up for the
I'm using iPhone 5s I have iOS 11.2.1 and my battery drains so far what can I do please help its annoying .from 100% it drains 15% per hour,i have tried changing the battery still no change
Unfortunately that was only for the beta of 1.2. The final release was not as good for battery use...
 
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