On your device, open Settings > General > Software Update > Beta Updates and choose the iOS 26 Developer Beta. Go back and tap Download and Install under the new "iOS 26 Developer Beta" option ...

How to install the iOS 26 public beta This guide will also show you how to access the iPadOS 26 and (if you’re brave enough) watchOS 26 betas.

Apple has released a preview of its new iPhone software, but it probably won't help you if things go awry. Here’s how to try iOS 26 without losing data or bricking your iPhone.