watchOS 6.0 (build 17R6575) is an official Apple over-the-air update for the Apple Watch Series 3 (38mm), released on 2019-09-11T18:35:35Z. The update package is 161.71 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: 4741c760458f50cf04a1a252cef6f16dd986e567.zip.