watchOS 6.0 (build 17R5566a) is an official Apple over-the-air update for the Apple Watch Series 2 (42mm), released on 2019-08-15T17:16:46Z. The update package is 688.32 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: 4cc1abe9033dcb48538a9d0dd6be505a000a4e5e.zip.