watchOS 9.0 (build 14S471) is an official Apple over-the-air update for the Apple Watch (42mm), released on 2016-10-12T16:56:51Z. The update package is 802.46 MB. This is a delta (partial) update that requires 8.2 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: b8835deac611bb69ed0e004a075898e7cbf27179.zip.