watchOS 9.0

watchOS

Version

9.0

Build ID

15T212

File Size

990.59 MB

Release Date

2018-03-29T17:06:45Z

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 15T212) is an official Apple over-the-air update for the Apple Watch (38mm), released on 2018-03-29T17:06:45Z. The update package is 990.59 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 cd4b25f57dcc685b6a4ea219a7d470fcc740b7f3.zip.

Direct URL

http://appldnld.apple.com/watchos4.3/091-44821-201803029-158E441A-2B93-11E8-8473-F81A04115E15/com_apple_MobileAsset_SoftwareUpdate/cd4b25f57dcc685b6a4ea219a7d470fcc740b7f3.zip