iOS 27.2 beta 4 (24B5110a) Now Available to Developers — Plus iPadOS, macOS, watchOS, visionOS

Apple has released iOS 27.2 beta 4, iPadOS 27.2 beta 4, macOS 27.2 beta 4, watchOS 27.2 beta 4, visionOS 27.2 beta 4 to registered developers on Tuesday, October 13, 2026. Developer betas are unfinished software: expect bugs, reduced battery life and some apps not working correctly.

Builds in this release

PlatformVersionBuildNotes
iOS27.2 beta 424B5110aApple Developer
iPadOS27.2 beta 424B5110aApple Developer
macOS27.2 beta 426B5112aApple Developer
watchOS27.2 beta 424S5112aApple Developer
visionOS27.2 beta 424N5114aApple Developer

How to install

  1. Back up first. Returning to the stable release later requires a full restore.
  2. Sign in to the free Apple Developer program with the Apple Account used on your device.
  3. Open Software Update and set Beta Updates to the developer beta. Instructions for iPhone, iPad, Mac, Apple Watch, Apple TV and Vision Pro are on our beta guide.
  4. Tap Update Now when the beta appears.

iOS 27.2 beta timeline

ReleaseBuildDate
iOS 27.2 beta 424B5110aOct 13, 2026
iOS 27.2 beta 324B5099fOct 5, 2026

Should you install it?

Use a secondary device if you can. If you depend on banking, work or health apps, wait for the public release. To go back to the stable version, download the latest signed IPSW for your model from the signing status page and restore with Finder or Apple Devices.