iPhone 6(S)(+) iPhone 6S battery depletion

Janeilfen

macrumors regular
Original poster
Feb 11, 2018
131
34
Updated the phone to ios12 and now the battery drains about twice as fast as previously. Anyone else seeing this?
 
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jona2125

macrumors 6502a
Jul 12, 2010
780
647
I'm curious if this is secondary to iOS 12 "boosting" performance by changing processing usage and ramping to being full power initially and then normalizing to a lower level. Makes the phone feel snappier but it's probably putting a decent draw on these older devices more aged batteries. They reduced power last year so that big surges didn't shut the phone of spontaneously and then they increased initial performance this year, seems like a catch 22.
 

vertical smile

macrumors 601
Sep 23, 2014
4,602
5,704
I'm curious if this is secondary to iOS 12 "boosting" performance by changing processing usage and ramping to being full power initially and then normalizing to a lower level.
Maybe, but there were reports saying that the iOS 12 beta's battery usage was fine until just recently.
 

jona2125

macrumors 6502a
Jul 12, 2010
780
647
Maybe, but there were reports saying that the iOS 12 beta's battery usage was fine until just recently.
Oh okay I wasn't aware, could be something within iOS 12 itself then. I haven't put anything besides an X onto 12 yet. I'll check it out this weekend with some of my older stuff, I have a 7 with battery issues as it is so I'll see if it gets even worse.
 

vertical smile

macrumors 601
Sep 23, 2014
4,602
5,704
could be something within iOS 12 itself then
That is what I am thinking, and the battery issue will most likely be corrected with a update.


I am pretty sure it is not battery health related.
According to my SE, my maximum capacity is 100%, but my 24 hour screen on time is only 2H 44M.

I have put the brightness down lower than I would typically like to try to keep the phone up.

If the issue isn't corrected with the next update, I will probably just end up getting a charger for my desk at work.
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According to my SE, my maximum capacity is 100%, but my 24 hour screen on time is only 2H 44M.
Does this "on screen time" include time on a charging source? because if that is the case, I have it on a charger for my daily commute which is about 1 hour total.
 
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