watchOS 3.1.1 (build 14S6879) is an official Apple over-the-air update for the Apple Watch (42mm), released on 2016-11-28T20:07:03Z. The update package is 355.04 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: 31148d63444f8604ae081ff97742aa3390cfd670.zip.