iOS 26.5.1 Fixes iPhone Charging Bug

iOS 26.5.1 fixes a wired charging issue affecting a small number of iPhone 17 and iPhone Air devices when the battery is nearly drained.

What iOS 26.5.1 Fixes

Apple says this update addresses one specific problem. On some iPhone 17 models and iPhone Air devices, wired charging could fail when the battery level was close to empty.

That meant some phones would not begin charging over a cable after the battery had almost fully drained, which could leave the device unresponsive until another charging method was used.

Which iPhones Are Affected

Based on Apple’s release notes, the fix is limited to iPhone 17 models and iPhone Air. Apple also lists iOS 26.5.1 as the current release for those devices.

For users on older supported iPhones, this update is not presented as a broad platform-wide patch. The charging fix is tied to Apple’s newest models.

Why The Update Matters

Charging issues are more serious than a standard minor bug because they can make a phone difficult to recover once the battery is almost empty. A software fix is the best outcome here, since it points to a solvable system issue rather than a hardware fault.

For affected users, the practical takeaway is simple: install the latest update as soon as possible to avoid wired charging failures at very low battery levels.

How To Install iOS 26.5.1

Open the Settings app, go to General, then tap Software Update. If iOS 26.5.1 appears, follow the on-screen steps to download and install it.

Apple also advises connecting the iPhone to power and Wi-Fi before updating. If the update does not appear right away, checking again later or updating through a computer may help.

Bottom Line

iPhone 17 and iPhone Air users who have seen charging problems near 0% battery should move to iOS 26.5.1 or a newer version. For accessories that pair well with your iPhone 17 while keeping your setup simple, see Komodoty’s collection here: https://komodoty.com/collections/iphone-cases.