watchOS 5.2 (build 16T5201c) is an official Apple over-the-air update for the Apple Watch Series 1 (38mm), released on 2019-02-19T18:15:50Z. The update package is 439.97 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: b57a568b9025a26d38473295dd582a2f6c2c53a4.zip.