iOS 27.0.1: What It Fixes and How to Update

Apple released iOS 27.0.1 on September 28, 2026, just two weeks after iOS 27 itself. This is a small, bug-fix-only update, and if you own an iPhone 18 Pro or iPhone 18 Pro Max, it is worth installing right away.

Quick Answer

• iOS 27.0.1 released September 28, 2026, build number 24A446
• It fixes the bug where iPhone 18 Pro and iPhone 18 Pro Max restart unexpectedly when Face ID fails
• It fixes a touchscreen freeze that could happen when opening Notification Center and Control Center at the same time
• It fixes a rare color artifact in photos taken at 2x zoom in certain lighting on some iPhone 18 Pro units
• No new features. This is a bug-fix-only update
• Update size is roughly 1 to 1.3 GB, depending on your device

What iOS 27.0.1 Actually Fixes

Apple’s release notes list three specific fixes:

1. Face ID restart bug (iPhone 18 Pro and Pro Max)
If Face ID failed to recognize you, some iPhone 18 Pro and Pro Max units would freeze and restart. This happened most often when unlocking protected apps like Passwords or private Safari tabs, not from the regular lock screen. We covered this bug in detail in our iPhone 18 Pro bugs guide.

2. Touchscreen becoming unresponsive
Opening Notification Center and Control Center at the same time could make the screen stop responding to touch entirely. Despite early reports linking this to the iPhone 18 Pro specifically, users on other models, including the iPhone 17 Pro Max and iPhone 14, have also reported this issue, so it appears to affect iOS 27 more broadly rather than being tied to one specific phone.

3. Color artifact in photos
On a small number of iPhone 18 Pro and Pro Max devices, taking photos at 2x zoom in certain lighting conditions could produce a color artifact. This has been fixed for affected units.

Is iOS 27.0.1 Worth Installing

Yes, especially if you own an iPhone 18 Pro or Pro Max. The Face ID restart bug was a real inconvenience, and this update directly targets it. If you are on an older iPhone model, the touchscreen fix may still be relevant to you, even though Apple listed it under iPhone 18 Pro coverage.

How to Install iOS 27.0.1

1. Go to Settings
2. Tap General
3. Tap Software Update
4. Tap Update Now or Download and Install
5. Enter your passcode and wait for your iPhone to restart

Make sure your iPhone is connected to Wi-Fi and has enough battery, or is plugged in, before starting.

Does This Fully Fix Face ID Issues

Mostly, yes, for the specific restart bug. It is worth knowing that a few users have reported smaller, separate Face ID quirks that remain after updating, such as needing to briefly remove glasses during the very first Face ID setup, or occasional issues with the “Require Attention for Face ID” feature. These appear to be minor and unrelated to the restart bug this update targets, and are not officially listed as known issues by Apple as of this writing.

Do I Need to Update if I’m Not on an iPhone 18 Pro

If your iPhone hasn’t shown either of these symptoms, there is no urgent need to update immediately, though installing it is still a good idea for general stability. If you regularly open Notification Center and Control Center together, or use gesture shortcuts that combine both, this update is worth having regardless of which iPhone you own.

What’s Next for iOS 27

This is a small patch, not the next feature update. Apple is already testing iOS 27.1, which is expected to bring additional features, and iOS 27.2 is further along in beta testing. If you want the full picture of what iOS 27 itself introduced, including Siri AI, see our complete iOS 27 guide.

Frequently Asked Questions