watchOS 6.0 (build 17R5571a) is an official Apple over-the-air update for the Apple Watch Series 2 (42mm), released on 2019-08-21T17:10:16Z. The update package is 688.21 MB. This is a delta (partial) update that requires 5.3 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 5955df61a0ea37cccfadfb3884600827b59f87ad.zip.