watchOS 4.3.2 (build 15U5053b) is an official Apple over-the-air update for the Apple Watch (42mm), released on 2018-05-30T17:06:26Z. The update package is 53.27 MB. This is a delta (partial) update that requires 4.3.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: df9526757878d351a303b3d6e2945b4a267b3de2.zip.