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 440.87 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: 5a4e6e08f101e367070f1ba99272917389431214.zip.