watchOS 9.0

watchOS

Version

9.0

Build ID

13S428

File Size

525.68 MB

Release Date

2015-10-21T17:58:30Z

Update Type

Normal release

Delta update - requires 8.2 installed first.

Download OTA

Looking for beta firmware? View beta builds for Apple Watch (42mm) →

About This Update

watchOS 9.0 (build 13S428) is an official Apple over-the-air update for the Apple Watch (42mm), released on 2015-10-21T17:58:30Z. The update package is 525.68 MB. This is a delta (partial) update that requires 8.2 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 a2067437a861e18c69d45866082583f325172314.zip.

Direct URL

http://appldnld.apple.com/watch/031-32862-20151020-4044A362-72E9-11E5-B73B-661B43DA716B/com_apple_MobileAsset_SoftwareUpdate/a2067437a861e18c69d45866082583f325172314.zip