watchOS 4.3.2 (build 15U6070) is an official Apple over-the-air update for the Apple Watch Series 3 (38mm, LTE), released on 2018-07-09T17:08:16Z. The update package is 66.66 MB. This is a delta (partial) update that requires 4.3.2 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 6796fe9d1a307aad3e57d1be53c9a195c3f9aea3.zip.