watchOS 9.0

watchOS

Version

9.0

Build ID

15S102

File Size

970.49 MB

Release Date

2017-12-05T18:00:32Z

Update Type

Normal release

Delta update - requires 8.2.1 installed first.

Download OTA

Looking for beta firmware? View beta builds for Apple Watch (38mm) →

About This Update

watchOS 9.0 (build 15S102) is an official Apple over-the-air update for the Apple Watch (38mm), released on 2017-12-05T18:00:32Z. The update package is 970.49 MB. This is a delta (partial) update that requires 8.2.1 to already be installed on the device - it cannot be applied from scratch. This update is no longer signed by Apple, meaning it can no longer be downloaded and applied on-device through Settings.

The OTA payload file is ae92cb4697e51bef10ad29b8d9f25eba2f9c073a.zip.

Direct URL

http://appldnld.apple.com/watchos4.2/091-19405-20171204-368C7A3A-D47F-11E7-8A9D-FA192EDC3D3E/com_apple_MobileAsset_SoftwareUpdate/ae92cb4697e51bef10ad29b8d9f25eba2f9c073a.zip