watchOS 5.0 (build 16R5283r) is an official Apple over-the-air update for the Apple Watch Series 2 (42mm), released on 2018-06-11T17:06:46Z. The update package is 581.69 MB. This is a delta (partial) update that requires 4.2.3 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 9dfc822029aaa600dc09075e851af61e1cbb6422.zip.