The latest version of iOS will arrive officially this fall, but you don't need to wait to start testing the software on your iPhone, thanks to Apple's public beta rollout. Here's everything you need to know about setting up the iOS 26 beta, along with the respective betas for iPadOS 26 and watchOS 26, which Apple also revealed in its WWDC 2025 keynote.Before we get started:, no, you haven't accidentally slept through eight versions of major Apple OS updates. In case you missed the news, from now on all of the company's various operating systems will be named after years to keep everything aligned and easy to follow. So rather than iOS 19, we're getting iOS 26 this year, which refers to the year after each update rolls out. Presumably that's because we'll be using it for longer in 2026 than what will remain of this year once the full version is in the wild.It's also important to keep in mind that any beta is software in a pre-release state, meaning it's far more likely you'll encounter bugs, crashes and other issues with apps and in general use, which Apple and third-party developers will attempt to fix before the final version rolls out to users worldwide.Install any beta at your own risk and think carefully before doing so with the device you use every day. It's also very important that you back up any device you want to test software on before you download it.iOS 26 supported devicesiOS 26 is supported on a wide range of iPhones - but not all of them. You'll need one of the following models: