watchOS 5.0 (build 16R5313d) is an official Apple over-the-air update for the Apple Watch Series 2 (42mm), released on 2018-07-03T17:10:58Z. The update package is 592.84 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: f87f6651f7b49f81da4fcd4caaf659d757be0a35.zip.