watchOS 5.2 (build 16T6225) is an official Apple over-the-air update for the Apple Watch Series 3 (42mm, LTE), released on 2019-03-27T22:04:01Z. The update package is 191.64 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: 38df3ab15199c5d5c70cea7d47bbe287883be3f5.zip.