watchOS 4.3.2 (build 15U5062a) is an official Apple over-the-air update for the Apple Watch (42mm), released on 2018-06-13T17:08:01Z. The update package is 88.33 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: c737b43abe8ec03e62728513290d59e7ac997693.zip.