watchOS 3.0 (build 14S5326) is an official Apple over-the-air update for the Apple Watch (42mm), released on 2016-09-07T21:33:20Z. The update package is 265.82 MB. This is a delta (partial) update that requires 3.0 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 0c3ea38773f72c828891accc0b7b0beb46a58a70.zip.