watchOS 5.0 (build 16R5349a) is an official Apple over-the-air update for the Apple Watch Series 2 (42mm), released on 2018-08-13T17:06:30Z. The update package is 491.25 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: 1570bd59d12d23ed674fe510e61f70ba3dd5e629.zip.