watchOS 5.2 (build 16T225) is an official Apple over-the-air update for the Apple Watch Series 3 (38mm), released on 2019-03-27T22:04:06Z. The update package is 832.47 MB. This is a delta (partial) update that requires 4.3.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: a1e3ca97c2056dc77dd35a97d16ae9a4b569c7c4.zip.