watchOS 3.0 (build 14S326) is an official Apple over-the-air update for the Apple Watch (38mm), released on 2016-09-07T21:33:14Z. The update package is 569.67 MB. This is a delta (partial) update that requires 2.0.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 66f4fddf62263a9f5977426b5cacfa0516ddbc0e.zip.