watchOS 5.3.2 (build 16U611) is an official Apple over-the-air update for the Apple Watch Series 2 (42mm), released on 2019-09-26T17:09:21Z. The update package is 828.14 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: 6c21ba86837d07f4da102e946e47aeb14d0699dd.zip.