watchOS 9.0

watchOS

Version

9.0

Build ID

15T212

File Size

1001.61 MB

Release Date

2018-03-29T17:07:18Z

Update Type

Normal release

Delta update - requires 8.2.1 installed first.

Download OTA

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

About This Update

watchOS 9.0 (build 15T212) is an official Apple over-the-air update for the Apple Watch (42mm), released on 2018-03-29T17:07:18Z. The update package is 1001.61 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 4aa1f7e0b6475462246a6c07a8a3715fd5588892.zip.

Direct URL

http://appldnld.apple.com/watchos4.3/091-44831-201803029-16B3993A-2B93-11E8-954A-041B04115E15/com_apple_MobileAsset_SoftwareUpdate/4aa1f7e0b6475462246a6c07a8a3715fd5588892.zip