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Battery drain in iOS 14.7.1

Hi,


Battery drain is happening after updated to iOS 14.7, the percent is jumping from 77% to 71% without almost any use, I am using the iPhone 11 Pro normal and my battery health is still on 100%.


Is anyone experiencing this too?


iPhone 11 Pro, iOS 14

Posted on Jul 28, 2021 4:54 AM

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Question marked as Apple recommended

iPhone 11 and later models, battery performance --> About the battery and performance of iPhone 11 and later

Posted on Jul 28, 2021 6:39 AM

197 replies

Sep 8, 2021 12:44 AM in response to Rachelle65

Rachelle65 wrote: "I have 6 s plus and after updating it my phone is barely holding a charge almost has to be plugged in all the time and my battery was perfectly fine before. Matter of fact my phone now keeps shutting down now. So nor really that useable"

Rachelle ~ The long process of applying an iOS update can kill a weak, aging battery...


Is your iPhone 6S Plus's battery still the original one?


And what's the Maximum Capacity % here?...


Settings > Battery > Battery Health


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Sep 9, 2021 11:45 PM in response to cpena28

I've posted here before to say I'm seeing the same problems as everyone else with the iPhone not holding charge as well since iOS 14.7.1. Thought I'd share this battery usage from yesterday though. I'd gone to bed around 10pm with the battery at ~40% charge, and woke up to see it at 1%. What's interesting here though is not the fact that it lost 40% overnight (which would be extreme anyway), but that it dropped to that in about 2-3 hours and then sat quite happily at 1% for the next 6-7 hours. More perplexing is that I was then able to use the iPhone just fine at 1% for 20 minutes or so in the morning before putting it on charge. When I did put in on charge it immediately jumped from 1% to 17%. Now I know you can see this kind of behaviour with an old or bad battery, but in this case the battery is less than a year old and still at 100% health, and I know this behaviour only started after iOS 14.7.1 was installed. Makes me wonder if the actually battery drain isn't any different, but just iOS's ability to measure and report it correctly since the last update?

Sep 15, 2021 10:24 AM in response to mousa71

Might have stumbled on something that's had a benefit to my phone. I turned off participation in the Find my network and my battery has seemed a lot more stable since (Settings / Find My / Find My iPhone, and disable just the option Find My network, leaving the other two options enabled). For those that don't know, this feature is an update to the old offline finding mode that existed before iOS 14.6 that now allows Airtags and other third party locators to work. Opting out does disable the ability to find a lost iPhone that's not connected to the internet, but doesn't change the ability to Find My iPhone for devices that are connected.

If you're willing to try turning this off for a day or two, would be interested to see if this helps battery drain for anyone else?

Sep 15, 2021 12:09 PM in response to Alancito

My batteries health was great. Ive never had a problem eith it at all and was performing 100 percent peak capacity. I do slot of music, play games, text alot, my battery was fine until i downloaded new update and it immediately went straight down and bad thing is i only updated because i needed apple to check another problem i was having and they want u to update to date

Battery drain in iOS 14.7.1

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