watchOS 5.0 (build 16R5334f) is an official Apple over-the-air update for the Apple Watch Series 2 (42mm), released on 2018-07-30T17:09:48Z. The update package is 654.04 MB. This is a delta (partial) update that requires 4.3 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: a44d9e3b356ac3098ddd9b9292d22bd2fab0712b.zip.