watchOS 4.3

watchOS

Version

4.3

Build ID

15T212

File Size

799.88 MB

Release Date

2018-03-29T17:06:51Z

Update Type

Normal release

Delta update - requires 2.2 installed first.

Download OTA

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

About This Update

watchOS 4.3 (build 15T212) is an official Apple over-the-air update for the Apple Watch (38mm), released on 2018-03-29T17:06:51Z. The update package is 799.88 MB. This is a delta (partial) update that requires 2.2 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 7c4c94456e2b3b61368f84b72fe8c26aff95424c.zip.

Direct URL

http://appldnld.apple.com/watchos4.3/091-44774-201803029-61B7ABFC-2B92-11E8-AA06-301704115E15/com_apple_MobileAsset_SoftwareUpdate/7c4c94456e2b3b61368f84b72fe8c26aff95424c.zip