watchOS 6.0 (build 17R5571a) is an official Apple over-the-air update for the Apple Watch Series 2 (42mm), released on 2019-08-21T17:10:12Z. The update package is 689.36 MB. This is a delta (partial) update that requires 5.2 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: fee3756441f6da4800089ef474897c5518c76825.zip.