iPhone battery draining after iOS 18 Update

I’ve still got the “Update finishing in background’ notification in the battery settings. It’s been a few days since the update to 18.1 - anyone else? Or any timelines that differ for how long it’s taken for that message to disappear? Thanks.

And I switched off auto sw update, and I switched off auto sw download, and I manually deleted the downloaded sw setup file of ver 18.1 for a couple of times, but in vain. The update notification to update to 18.1 either now or this night is always there.

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Same thing here—I have an iPhone 14 Pro Max, and after updating to iOS 18, my battery is draining so fast. I used to charge once a day, but now it’s three times a day. Is it always going to be like this?

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I bought brand new iPhone 16 pro on 26 October. After buying the phone I updated the phone to 18.1. But now I’m facing very big issue that my phones battery is draining very fast. Also, it is getting heated while charging and taking the pictures. Where I’m just using the WhatsApp. What is the solution I can get ?

Same here… I have an iPhone 14 Pro Max. Before ios18 my battery was really great, I use my phone for work most of the time so it just stay on the table for calls. Before I was having still around 70-80% battery at the end of the day.

now with iOS 18 without doing anything during the day, I have 25% at the end of the day…

what the **** is going on ???

Hello~ Not I…my battery is holding up fine and I am using an iPhone 12 mini that is right at needing a battery replacement. Also…you will not “hear” anything from Apple here on this as it’s a forum of fellow users like yourself. What iOS version are you currently running?

~Katana-San~

I appreciate the effort that goes into their updates, but I often feel like they impact our devices in ways that encourage us to purchase new models more frequently. As a student, it's difficult to keep up with the latest releases every year, especially since many of these updates seem to reduce battery performance. I recently purchased the newest iPad, and I noticed it was performing well until the latest update. It would be great if future updates could focus on improving device longevity rather than prompting users to upgrade.

I came from ios17.3.1 with no issues on my iphone 14pro. I bought an apple watch ultra 2 and was forced to update to ios18.1 to get it to work. Now after the update my iphone battery dies in less than a day without doing much on it. It's a shame that apple wants to force you to upgrade to a new device like this. I want the option to downgrade. If this isn't fixed I will be making the switch to android

I have an iPhone 13, and the battery continues to drain. I believe the recent updates are causing issues between the software and the phone, which affects its performance.

My mother has an iPhone, and her phone is not working anymore. I purchased both these phones two years ago. I think if Apple continues with these kinds of updates, older phones will not be comparable with new updates. It’s not realistic. It's like creating a situation forcing everyone to get new models. Good business for Apple but not for the community

"You needed your battery replaced when it hit 80%."

If your battery health is still above 80%, iOS 18 will quickly take care of that. In my case, a 2% degradation (86>84) happened over two months.

Display time 26min, the highest consumption "Home & Lock Screen" 24%:

If I have to charge my phone twice as often due to significant battery drain, it will definitely affect the battery's health.

The 14 Pro doesn't have the option to set charging limits, I have optimized charging enabled, but it mostly doesn't work, and the phone charges to 100% right away.

Checkmate, I want to charge in an optimized way (but can't 'force' it), I want to take care of my battery's health (but can't due to what seems to be a software bug?).

I was kind of hoping it would be a hardware problem (okay, I’d buy a new one), but since a factory reset helped for a while and one version (I think it was 18.0.1) helped too, it doesn’t really seem like a hardware issue.

I was planning on buying a new phone, but I have serious doubts about whether I want to buy something that's 'broken.' I’ve been a big Apple fan, and I’ve never dealt with issues like this on any device (normal bugs that are fixed by the next update are no big deal, that's just part of IT).

Hello again ~ Checkmate? All I am trying to do is help you and not get into some kind of disagreement. I personally don’t care what kind of device you choose and always encourage others to purchase what best serves their needs.

~Katana-San~

For ip13mini lower battery mode using more power then phone before iOS 18 without lower power mode. Complete crazy thing. I handled that topic with not so official way. I cannot post solution but if you want you can ask me in dm maybe?

Did the apps you use update to be optimized for iOS 18.1.1? Are you an Apple developer and understand the importance of updating your apps so they don’t have memory leaks, aren’t consuming excess processor cycles, and multiple other factors to conserve battery capacity? Please enlighten me on your qualifications to emphatically state it’s an iOS issue.

My iPhone 15 pro battery is draining rapidly (within a few hours) after the ios 18.1.1 update last week. It has been more than several days after the update and the batter is still draining quickly. I want my iphone to be reliable and hold a charge. So many of these updates are a waste and not worth it in my opinion especially when they impact the battery life in such a dramatic negative way. When is this going to be fixed.