watchOS 4.3.2 (build 15U5062a) is an official Apple over-the-air update for the Apple Watch (42mm), released on 2018-06-13T17:07:59Z. The update package is 314.81 MB. This is a delta (partial) update that requires 4.2.2 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 11eb3ae83420b5ac966957a98bdef14d01e9b2c2.zip.