watchOS 5.2 (build 16T225) is an official Apple over-the-air update for the Apple Watch Series 2 (42mm), released on 2019-03-27T22:03:18Z. The update package is 439.76 MB. This is a delta (partial) update that requires 5.1.3 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 509d4fc3e2f33c0709b1e508344d3cecf0f729c2.zip.