watchOS 3.1.1 (build 14S5862d) is an official Apple over-the-air update for the Apple Watch Series 2 (38mm), released on 2016-10-31T19:50:38Z. The update package is 960.16 MB. This is a full OTA update that can be applied from any compatible base version. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 2174e249c8bd9f01d7a5d6426f083ac4289055cb.zip.