watchOS 4.3

watchOS

Version

4.3

Build ID

15T212

File Size

320.6 MB

Release Date

2018-03-29T17:07:26Z

Update Type

Normal release

Delta update - requires 4.1 installed first.

Download OTA

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

About This Update

watchOS 4.3 (build 15T212) is an official Apple over-the-air update for the Apple Watch (42mm), released on 2018-03-29T17:07:26Z. The update package is 320.6 MB. This is a delta (partial) update that requires 4.1 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 6b24acad79d4cf754cc5fc97b72dbb5160599b5b.zip.

Direct URL

http://appldnld.apple.com/watchos4.3/091-49037-201803029-694C3732-2B94-11E8-8013-CA2404115E15/com_apple_MobileAsset_SoftwareUpdate/6b24acad79d4cf754cc5fc97b72dbb5160599b5b.zip