Slow performance and lag after iOS 26 update on iPhone

After updating my device to iOS 26, I have been experiencing significant lag across apps and system settings. The performance has dropped noticeably, making the device feel slow and unresponsive. This is affecting the overall user experience, and I would appreciate guidance on whether this is a known issue or if there are recommended steps to resolve it


[Re-Titled by Moderator]

Original Title: After updating to iOS 26, my phone has started lagging significantly across all apps and settings. The overall performance feels noticeably slower—almost like using an Android device


iPhone 11 Pro Max, iOS 26

Posted on Sep 17, 2025 6:11 AM

Reply
Question marked as Top-ranking reply

Posted on Sep 24, 2025 3:52 AM

Had the same issues as OP, waited 3-5 days for the indexing to finish and still have some lags, but what worked was, I went on Setting - Accessibility - Display & Text Size - Reduce Transparency,

Turning it off, quiting setting, and then turning it on again, seems to make the phone run better. Everything is snappy again. Maybe it’ll work for you too.


I’m on iphone 13 128gb with 24gb of storage left.



305 replies

Oct 19, 2025 8:24 AM in response to AdB1973

AdB1973 wrote:

Apple should fix this!

iOS 26.1 is currently in beta and we cannot comment on the issues that have been resolved in that update as it is a violation of the terms for being a beta tester. If you have tried all the recommendations here then waiting for that update may be your only option to compare your results. I assume you have already Factory Reset your device using a computer to reinstall the OS in case of data corruption.


There is no reason for strong language, we are all civilized human beings that are perfectly capable of communicating with each other without any name calling, whether you feel it is appropriate or not.

Oct 22, 2025 1:14 AM in response to haadee

Do they test older devices before releasing an iOS update? How far back do they go? For example, did they test iOS 26 on iPhone 11? Is there any interest on fixing these significant lagging and battery drainage issues? It seems to me that all they need to do is have the option to disable the heavy operating system's demands. I have more than 115 GB free and have tried every possible suggestion I find in here and on the internet, plus I have waited a few weeks, nevertheless nothing has improved for my phone performance. I’m at the point where I really wish I never updated.

Oct 22, 2025 9:42 AM in response to haadee

I have already disabled Apple Intelligence and Transparency and the performance still feels like an Android device. It was super snappy, on the point, every single aspect of the phone was blazingly fast, even on my old iPhone 11 Pro was super fast, now i'm on an iPhone 15 Pro with a very odd and bad performance on the iOS 26 even after more than a month.

Oct 24, 2025 11:22 PM in response to haadee

It’s been a while since the new IOS 26 update rolled out. My iPhone 14 Pro which is on IOS 18 feels wayy smoother than my iPhone 16 pro on the iOS 26. While it has it perks, it’s mostly all downhill since it lags a LOT! It is literally one year old and it lags like crazy. I can’t even roll back to iOS 18. Please fix it ASAP as it is really annoying and frustrating to use specially since the phone is ONLY ONE YEAR OLD

Oct 25, 2025 7:23 PM in response to haadee

It's pretty clear to me that most of us are experiencing unacceptable performance issues, along with significant processing delays, and that we didn't have these issues before updating to iOS 26. I don't know how long it will take Apple to fix these, but one easy and immediate solution they could implement is to allow users to revert to the previous version of iOS. Once they have an acceptable solution, we'll be able to update to the latest version. What do you all think?

Slow performance and lag after iOS 26 update on iPhone

Welcome to Apple Support Community
A forum where Apple customers help each other with their products. Get started with your Apple Account.