watchOS 4.3.2 (build 15U5053b) is an official Apple over-the-air update for the Apple Watch Series 2 (42mm), released on 2018-05-30T17:06:30Z. The update package is 334.26 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: 8e2ca588d0e22c5c56bc9767e7444fcbef484609.zip.