watchOS 6.0 (build 17R5546f) is an official Apple over-the-air update for the Apple Watch Series 3 (38mm), released on 2019-07-30T17:09:54Z. The update package is 707.41 MB. This is a delta (partial) update that requires 5.2.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 15a8acb87123b1cc6724ff2179508311266801c1.zip.