https://wccftech.com/beta-1-ios-11-2-5-watchos-4-2-2-tvos-11-2-5-released-download/ >If you are registered developer, you can now download beta 1 of iOS 11.2.5, watchOS 4.2.2 and tvOS 11.2.5. >Earlier today, Apple released iOS 11.2.1 and tvOS 11.2.1 for everyone around the world. Apple is now following that up with the first ever betas of iOS 11.2.5, watchOS 4.2.2 and tvOS 11.2.5. All the aforementioned betas are available for registered developers only. If you do not have a developer account with Apple then you cannot access these bits at all.