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Apple Releases iOS 26.5.1 to Fix Charging Issue on iPhone Air and iPhone 17 Models

Apple today released iOS 26.5.1, a minor update to iOS 26. The software is available three weeks after iOS 26.5 came out, and appears to only be available for the iPhone Air and all models in the iPhone 17 lineup.

iOS 26
The new software can be downloaded on eligible iPhones over-the-air by going to Settings > General > Software Update.

According to Apple's release notes, the update fixes a previously documented charging issue with ‌iPhone Air‌ and ‌iPhone 17‌ models.

This update addresses an issue for a small number of users that may prevent wired charging on iPhone Air and iPhone 17 models when the battery is nearly drained.

Apple's work on ‌iOS 26‌ is winding down as it prepares to introduce iOS 27 at the June 8 WWDC keynote event.

Related Roundups: iOS 26, iPadOS 26, iPhone 17, iPhone Air
Related Forums: iOS 26, iPhone

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Top Rated Comments

adrianlondon Avatar
7 weeks ago
For quite a while, the reported size of updates appears to be calculated by a random number generator.

It sure gives confidence that things are well tested at Apple ...
Score: 23 Votes (Like | Disagree)
7 weeks ago
Must be a heckuva update...my update from 26.5 to 26.5.1 is 27 GB!!!

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Score: 20 Votes (Like | Disagree)
Joe Rossignol Avatar
7 weeks ago

Seems like @Joe Rossignol is vindicated for calling this a bug when a lot of people questioned it...
After 11.5 years of working for MacRumors, it is safe to say that I am used to it. :)

I predicted the entire chain of events:



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Score: 9 Votes (Like | Disagree)
7 weeks ago
That’s unacceptable! Are you telling me the vast majority of people with older iPhones running iOS 26 don’t get any bug fixes in this update? That’s ridiculous!
Score: 8 Votes (Like | Disagree)
Stonefly Avatar
7 weeks ago
Mine was 16.85 GB on a 17 Pro Max 🤷🏼‍♂️

Only took 952.6 MB on storage



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Score: 7 Votes (Like | Disagree)
7 weeks ago
I'd like to know how that is calculated...I started the update and about 30 seconds later it said "preparing..." and where I am I'm pretty sure I did t download 27 GB over cellular that fast even if it's 5G.
Score: 6 Votes (Like | Disagree)