watchOS 5.2 (build 16T5212e) is an official Apple over-the-air update for the Apple Watch Series 2 (42mm), released on 2019-03-04T18:10:46Z. The update package is 150.58 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: 9d9679eb3df59eea8a0a62731e3a2a243beab027.zip.