watchOS 2.2.1 (build 13V413) is an official Apple over-the-air update for the Apple Watch (42mm), released on 2016-04-06T16:50:15Z. The update package is 701.47 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: 5244e29002df3cc89ec5bf69662a143bfe846d72.zip.