watchOS 5.0 (build 16R5313d) is an official Apple over-the-air update for the Apple Watch Series 2 (42mm), released on 2018-07-03T17:11:02Z. The update package is 186.44 MB. This is a delta (partial) update that requires 5.0 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: d960b28d4dc0db03ac2256d74d5fd77163132030.zip.