The iOS 18 update is here, but it's not the stable, final version you're expecting. That'll arrive with the iPhone 16. You can still get the developer beta preview of iOS 18 on your device, though. Here's everything you need to know about downloading iOS 18 on your iPhone.

Before we begin, please make sure you meet the following requirements:

Here's how to download the iOS 18 developer beta:

Full access to the Developer beta requires a developer membership, which costs $99 per year. Here's how to use the Apple Developer app to download the iOS 18 developer beta.