watchOS 3.1 (build 14S471) is an official Apple over-the-air update for the Apple Watch Series 2 (42mm), released on 2016-10-12T16:57:00Z. The update package is 61.69 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: 6c36275a83678ab6a7c48857fc3c88bd0a12fa9d.zip.