watchOS 3.1.1 (build 14S5862d) is an official Apple over-the-air update for the Apple Watch (42mm), released on 2016-10-31T19:50:33Z. The update package is 353.97 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: 42f8be09bc6e675244d1f81e54f12e0d9f43d53f.zip.