watchOS 5.2 (build 16T6225) is an official Apple over-the-air update for the Apple Watch Series 3 (38mm, LTE), released on 2019-03-27T22:03:53Z. The update package is 1.33 GB. This is a delta (partial) update that requires 16T5225a already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 0854c3981cfea998c3afd70ebde0f73db6397fed.zip.