watchOS 3.1 (build 14S464) is an official Apple over-the-air update for the Apple Watch Series 1 (42mm), released on 2016-10-04T17:25:25Z. The update package is 60.73 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: 0de2bd769e564f086ad7fccd042e77845c10f6d7.zip.