watchOS 6.0 (build 17R5571a) is an official Apple over-the-air update for the Apple Watch Series 3 (38mm, LTE), released on 2019-08-21T17:11:02Z. The update package is 67.41 MB. This is a delta (partial) update that requires 6.0 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 7d7dcd92eebf7bb154c4084291e5d1faa9a07ae4.zip.