watchOS 3.1 (build 14S6471) is an official Apple over-the-air update for the Apple Watch (42mm), released on 2016-10-12T16:57:11Z. The update package is 234.64 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: 313ab755605c94290d4fe73fc5f94881f230ff89.zip.