Before we get started, a word of warning: beta software — especially early developer beta — is inherently unfinished and may contain bugs. Which devices support iOS 26 and iPadOS 26? According to Apple, iOS 26 / iPadOS 26 will work on the following devices. First, make sure that your iPhone is running iOS 16.4 or later (by running Settings > General > About ). If you’re not signed up yet for the developer beta, you can sign up here by scrolling down toSettings > Privacy & Security.