watchOS 5.0 (build 16R5313d) is an official Apple over-the-air update for the Apple Watch Series 2 (38mm), released on 2018-07-03T17:10:51Z. The update package is 584.48 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: 6d1adb48d8ba1650787576be0354d8e3efc44ae8.zip.