watchOS 5.2 (build 16T225) is an official Apple over-the-air update for the Apple Watch Series 2 (42mm), released on 2019-03-27T22:03:16Z. The update package is 814.1 MB. This is a delta (partial) update that requires 4.3.2 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: d79373b93c41e3b6ef3bb4a78955f1e12011549c.zip.