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 61.47 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: 4a3ca48ac2bbee1480a60f6e92b939240d0cf3d0.zip.