watchOS 5.2 (build 16T5222a) is an official Apple over-the-air update for the Apple Watch Series 4 (44mm), released on 2019-03-11T17:11:47Z. The update package is 457.18 MB. This is a delta (partial) update that requires 5.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 83a2e1a4217b066970c516663f89f809fb42c02f.zip.