https://wccftech.com/download-ios-15-and-ipados-15-rc-right-now-without-developer-account/ > No need to pay Apple anything if you want to download iOS 15 and iPadOS 15 RC for iPhone and iPad. Here's how you do it. > Apple's iOS 15 and iPadOS 15 RC updates have been seeded to developers and public beta testers. If you have a previous beta installed on your iPhone and iPad right now, then the new update can be grabbed over the air by going to Settings > General > Software Update.