watchOS 5.2 (build 16T225) is an official Apple over-the-air update for the Apple Watch Series 3 (42mm, LTE), released on 2019-03-27T22:03:59Z. The update package is 487.73 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: 6a795cde7676eeadf73a460c07fd0c3b7c5b9066.zip.