watchOS 3.1.1 (build 14S5869b) is an official Apple over-the-air update for the Apple Watch Series 1 (38mm), released on 2016-11-07T17:48:25Z. The update package is 145.4 MB. This is a delta (partial) update that requires 3.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 9cb3b5522b44100828e5f81267dd40055bc5623b.zip.