watchOS 5.2 (build 16T225) is an official Apple over-the-air update for the Apple Watch Series 3 (38mm), released on 2019-03-27T22:04:09Z. The update package is 457.7 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: fc1a8c7f9fc4e452bce3d132f2ea309a9166c693.zip.