watchOS 5.2 (build 16T5201c) is an official Apple over-the-air update for the Apple Watch Series 4 (44mm), released on 2019-02-19T18:16:09Z. The update package is 475.38 MB. This is a delta (partial) update that requires 5.0 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: c1aaf45a9c7e8827000dde44fe63a5d43d2bcc70.zip.