watchOS 6.0 (build 17R6575) is an official Apple over-the-air update for the Apple Watch Series 3 (38mm, LTE), released on 2019-09-11T18:34:54Z. The update package is 225.53 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: 9cdd8a001bace1e895782028e069cdb047c622c9.zip.