watchOS 5.2 (build 16T5201c) is an official Apple over-the-air update for the Apple Watch Series 3 (38mm), released on 2019-02-19T18:16:02Z. The update package is 122.5 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: 6418d601d1644f3644dafadaa0b70a1c74a43f9a.zip.