watchOS 4.3.2 (build 15U6070) is an official Apple over-the-air update for the Apple Watch Series 3 (38mm), released on 2018-07-09T17:08:24Z. The update package is 70.31 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: 8af4125333cea88f6615476b33edcac1f6ca7609.zip.