watchOS 6.0 (build 17R5546f) is an official Apple over-the-air update for the Apple Watch Series 4 (44mm), released on 2019-07-30T17:10:22Z. The update package is 344.2 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: b40ce62d50ca1fdd3f9385ec42f43f2df63503d8.zip.