watchOS 5.0 (build 16R5360a) is an official Apple over-the-air update for the Apple Watch Series 2 (42mm), released on 2018-08-24T17:13:54Z. The update package is 263.21 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: 05882b2858441f303d71759b5008c69770314fc3.zip.