watchOS 5.0 (build 16R5340g) is an official Apple over-the-air update for the Apple Watch Series 3 (38mm, LTE), released on 2018-08-06T17:12:00Z. The update package is 529.47 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: c5c3e4786f4e8acc6805af8ae2812159c6e9410f.zip.