Battery indicator percentage error iOS14

After i update my iPhone 11 pro to the newest iOS 14 through OTA i get bug on my battery percentage error, First i thought my battery are draining fast about 1 hour and drop to 1%because new iOS 14 then i’m realize something wrong, when my battery at 1% it can still be using like normal and then i just restarted my phone and then battery got at 75% and while i’m using it battery keeps drop to its 1% life and i’m checked my battery life and i’m getting shock my battery life at 91% !!! Before i’m updating to the iOS 14 my BH at 95% how could these happen?!! And just realize my battery indicator and battery usage are completely wrong.... please tell me this is not hardware problem instead software problem

iPhone 11 Pro, iOS 14

Posted on Oct 26, 2020 4:20 AM

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Posted on Apr 4, 2021 10:49 AM

This should provide some useful information→About recalibration of battery health reporting in iOS 14.5 - Apple Support

83 replies

Feb 22, 2021 9:46 AM in response to Rekta56

Hello everyone, I need help with something.

I’ve got an iPhone 6s updated to the latest iOS version (14.3). Although the battery’s maximum capacity is 69%, it keeps giving me false readings.

Onetime the battery level was at 8% so I switched it off. When the power came on, I plugged it, it turned on and read 40% charging. Hope it’s not a serious problem.

Mar 3, 2021 3:55 AM in response to Throughthemillagain

I’m so pleased to find this conversation on here as this battery ‘issue’ has been driving me nuts! My iPad is doing exactly the same, draining really fast without being used. Unless it’s changed to 100% over night it is virtually down to nothing the next morning. As soon as I use it it’s dropping like a stone. I’ve tried all the hints etc to maximise usage and yesterday I restarted back to factory settings thinking that was bound to work - nope! Latest iOS was 14.4. What a nightmare. I’m virtually using my iPad whilst plugged in all the time now - good job we're in lockdown and can’t go anywhere 😂

Mar 22, 2021 9:25 AM in response to AnotherOldEngineer

AnotherOldEngineer wrote:

To QuickTimeKirk-
As long as the battery maximum capacity (not charge level) is reading 80 or more, there is no immediate need to replace it regardless of age.
Your skate tactics are unfair and unwanted.

You should read before you post. QTK was responding to a user who said their maximum capacity was 69%. As an engineer you should know that 69% is less than 80%.


Also as an engineer you should know that batteries have more failure modes than just loss of capacity.


—An old engineer

Jul 8, 2021 11:03 AM in response to magusxxx

Something to keep in mind, though it doesn't apply to everyone. The batteries are only able to be recharged so many cycles. In the past, this has translated into approximately 3 years of life. I just had mine replaced, and I it seems fine now. The Amazon lighting cable I'm using seems to only work in one direction though. I've also put a stopper in the port to prevent pocket lint from getting in there.

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Battery indicator percentage error iOS14

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