watchOS 4.3.2 (build 15U5062a) is an official Apple over-the-air update for the Apple Watch Series 3 (38mm), released on 2018-06-13T17:08:30Z. The update package is 152.61 MB. This is a delta (partial) update that requires 4.3 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 3627cea9920081b03814f337343cb01a91e00735.zip.