watchOS 3.1 (build 14S471) is an official Apple over-the-air update for the Apple Watch (42mm), released on 2016-10-12T16:56:53Z. The update package is 573.28 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: e61d525a517099ee2ab123cf1d9adba5f8bb002c.zip.