watchOS 5.0 (build 16R5303d) is an official Apple over-the-air update for the Apple Watch Series 2 (42mm), released on 2018-06-19T17:36:24Z. The update package is 547.97 MB. This is a delta (partial) update that requires 4.3.2 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 92c217e83743d094b8ffa9895aa5ed3033d841b4.zip.