watchOS 5.2 (build 16T5222a) is an official Apple over-the-air update for the Apple Watch Series 2 (42mm), released on 2019-03-11T17:10:57Z. The update package is 440.17 MB. This is a delta (partial) update that requires 5.1.2 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 20ae20809f52f15256c7cd1f5ee4ed3e5a8b873a.zip.