watchOS 6.0 (build 17R5571a) is an official Apple over-the-air update for the Apple Watch Series 3 (38mm), released on 2019-08-21T17:11:24Z. The update package is 61.12 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: fa2aa9779c988db6e8f2ab0ca3b31ea1819bad42.zip.