watchOS 5.3.2 (build 16U611) is an official Apple over-the-air update for the Apple Watch Series 2 (42mm), released on 2019-09-26T17:09:20Z. The update package is 832.88 MB. This is a delta (partial) update that requires 4.2 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: c58a97cd5d36bb3c68f234e1f07de51f3a75799f.zip.