watchOS 5.0 (build 16R5322d) is an official Apple over-the-air update for the Apple Watch Series 2 (42mm), released on 2018-07-17T17:10:54Z. The update package is 287.76 MB. This is a delta (partial) update that requires 5.0 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: f3e8ebd6432ef1412890c2ad2d514cfa8f7d4f66.zip.