watchOS 5.2 (build 16T5191d) is an official Apple over-the-air update for the Apple Watch Series 2 (42mm), released on 2019-02-04T18:13:34Z. The update package is 425.2 MB. This is a delta (partial) update that requires 5.1.2 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 1e131d16b2d05ecf0e1ec7c01e2bce9fc3396b20.zip.