watchOS 5.2 (build 16T5225a) is an official Apple over-the-air update for the Apple Watch Series 4 (44mm), released on 2019-03-18T17:15:51Z. The update package is 44.72 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: cbdd5d4a0de60e52a0be037795a97d0b977ed63b.zip.