watchOS 5.2 (build 16T6225) is an official Apple over-the-air update for the Apple Watch Series 3 (38mm, LTE), released on 2019-03-27T22:03:52Z. The update package is 160.02 MB. This is a delta (partial) update that requires 5.2 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 14ea164be81a034a3904d1377d67d2d76488ff79.zip.