watchOS 6.0 (build 17R5532f) is an official Apple over-the-air update for the Apple Watch Series 3 (38mm, LTE), released on 2019-07-17T17:42:06Z. The update package is 824.45 MB. This is a delta (partial) update that requires 5.1.3 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: a496d677c7a804428289b2f17b3b4204396891c0.zip.