watchOS 5.2 (build 16T5191d) is an official Apple over-the-air update for the Apple Watch Series 4 (44mm), released on 2019-02-04T18:14:15Z. The update package is 404.42 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: 0ac0b119707cb8d13cc2706d90ad062fb7a58388.zip.