watchOS 5.2 (build 16T5225a) is an official Apple over-the-air update for the Apple Watch Series 2 (42mm), released on 2019-03-18T17:13:32Z. The update package is 454.58 MB. This is a delta (partial) update that requires 5.1.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 08cc4347944aa253e8cb4fb99e362170bd6dd998.zip.