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iPhone battery draining after iOS 18 Update

iOS 18 draining my battery

Last night (17/09/24) I upgraded to iOS 18 update but this morning when I started using the phone, my battery drained out very quickly - anyone had similar issues.

any solution please ?


[Re-Titled by Moderator]

iPhone 14

Posted on Sep 17, 2024 2:06 PM

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Question marked as Top-ranking reply

Posted on Sep 19, 2024 10:36 AM

Found this on another thread How to Stop Battery Draining on iPhone After a Recent IOS Update and it's been a game changer, battery which was reducing 20 to 30% in 1 hour of basic usage now reduces only 15%. I will update you on which adjustment helped alot as I am currently testing on it as I don't want to disable some features so will update soon here.

408 replies

Sep 26, 2024 11:20 PM in response to Mis73

Since I did the IOS 18 my phone, IPad and watch do not even hold a charge for a day. My watch use to get 2 days before charge, now it’s half a day if that. My IPad only gets 2 hours before it’s from 100 to 10% I use to get at least a day on it and my phone forget about it, it’s now always on the charger. Every single time there is an IOS update it always messes with my phone. I’m seriously thinking of going back to Android. I never had these issues with them. And there are way to many IOS updates in a year.

Sep 26, 2024 11:47 PM in response to Mis73

Same tbh. I got new iphone 14 pro, with battery health on 100%

updated on ios 18 in 3 days. And the battery drain is terrible.

charging a brand new phone 2x a day is absolutely ridiculous. My old iphone 13 battery with health on 90% and ios 17 drains less.


i dont knownif i should wait for few days and just straight up replace the battery or return the phone.

Sep 27, 2024 4:15 PM in response to varjak paw

Shut it 3rd world tech support. You people keep repeating this same song and dance instead of hearing other people's issues. IOS has been a DEI induced garbage fest for a year now and something in the code keeps pegging the SoC like the woke devs peg each other. This is annoying and not befitting a phone that costs over thousand dollars.

Sep 27, 2024 9:52 PM in response to özgur290

Lots of people including myself want to switch to android iPhones are not cheap and should not have to deal with things like this one spending good money on my phone that always has problemsAnd battery dying faster than it took to charge The money we spend on these phones they should be lasting us at least A day and a half to a day

Sep 29, 2024 9:16 AM in response to Mis73

Same here. It’s happening on all of my devices- iPad, iPhone and Apple Watch. On my Apple Watch I went from using 50% batter life a day from it dying by 9 PM after a full charge over night. Cancelled my Apple Watch data plan and not getting a new one. This was happening years ago. They had a class action lawsuit related to battery drain in the past.

Sep 29, 2024 6:30 PM in response to Mis73

I have an iPhone 15 pro, since iOS 18 update, I wake up with 100% charge around 6AM, by 8.30AM with very light use , checking emails for example and some light social media, its down to 72%. I have to plug it back in to charge


I'm literally charging my phone every chance I get now, I'm charging it atleast 3 times a day otherwise if I'm outside I'll be stranded with dead battery (happened to me twice already) when I never had to charge more than once before. I reported this to apple support and they came back with usual BS. This makes me so furious, apple is constantly dropping the ball releasing worse iOS performance every release.

iPhone battery draining after iOS 18 Update

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