watchOS 4.3.2 (build 15U70) is an official Apple over-the-air update for the Apple Watch Series 2 (42mm), released on 2018-07-09T17:07:55Z. The update package is 674.29 MB. This is a delta (partial) update that requires 3.2 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 0b233166b88bc337fb3f52c0eff1512e04d23e16.zip.