Does the charging bug in iOS 26.5.1 affect all iPhones or specific models?

The bug affects the iPhone Air and iPhone 17 models specifically according to the official changelog. Older models like iPhone 16 and earlier aren't officially mentioned as affected — though users have reported iPhone 16 Pro Max also experiencing the issue in some cases based on reader comments.

What should we expect from iOS 27 on June 8?

Previous leaks mentioned a standalone Siri app, improved AI writing tools, camera app customization, Google Cast support, and an AI extension system for external models. The June 8 announcement will confirm what's official.

Is iOS 26.5.1 the last update before iOS 27?

Most likely yes — with iOS 27 announced for June 8 and expected release in September, Apple rarely releases another point update for iOS 26 unless a critical security vulnerability requiring urgent fixes emerges.

Should iOS 26.5.1 be updated even if the charging issue hasn't been encountered?

Yes — even without encountering the problem yet the update is recommended. The bug appears "in specific circumstances" meaning you may not notice it until it happens at a critical moment. The update is free, quick, and completely eliminates this risk.

Does the macOS 26.5.1 issue affect regular users or only enterprises?

The issue specifically relates to "content filtering network extensions" — tools used by companies and organizations to monitor and filter internet traffic. Individual users who don't use these tools likely never encountered the problem to begin with.

iOS 26.5.1 and macOS 26.5.1 Updates — Fix for iPhone Air and iPhone 17 Wired Charging Bug and M5 Mac Unexpected Shutdown, With iOS 27 Reveal on June 8

iOS 26.5.1 — Fixes a Critical Charging Issue

Today, Apple released a new iOS update, dubbed 26.5.1. As the small incrementation implies, this is anything but a big one. In fact, its sole purpose is to fix one specific bug. That said, if you have encountered this bug, it sounds like it could be pretty nasty — it can basically prevent wired charging on the iPhone Air and iPhone 17 models when the battery is nearly drained, according to the official changelog.

Needless to say, when the battery is nearly drained is exactly when you most want charging to work, so it's good to see this issue fixed. Apple says only a very small number of users were affected.

This issue, though rare, is particularly serious — a charging failure when the battery reaches critical levels means the phone simply stops working with no immediate solution other than a force restart or waiting for wireless charging if available.

macOS 26.5.1 — Fixes M5 Unexpected Shutdowns

Speaking of niche bugs, macOS 26.5.1 is also here to fix an issue for enterprise users where Macs with an M5 chip could unexpectedly shut down when using "certain content filtering network extensions".

Unexpected shutdowns in enterprise environments are particularly serious — lost unsaved work and interrupted critical operations are direct consequences. This update specifically addresses that for M5 Mac users.

iOS 27 on the Horizon — June 8 Reveal

Next week, on June 8, Apple will unveil iOS 27 and macOS 27, which are then expected to be released in the fall, most likely in September.

The iOS 26.5.1 and macOS 26.5.1 updates represent the final fixes on the iOS 26 generation before Apple begins its new journey with iOS 27. The timing is perfect — resolving lingering issues before announcing the next generation.

How to Update Your Device Now

To update on iPhone or iPad: go to Settings ← General ← Software Update ← you'll find iOS 26.5.1 ready to download. To update on Mac: go to Apple menu ← System Settings ← General ← Software Update.