watchOS 4.3

watchOS

Version

4.3

Build ID

15T212

File Size

307.63 MB

Release Date

2018-03-29T17:07:07Z

Update Type

Normal release

Delta update - requires 4.2 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 2018-03-29T17:07:07Z. The update package is 307.63 MB. This is a delta (partial) update that requires 4.2 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 12a330c0d02e4458162ba5b9b1e692d851c0e822.zip.

Direct URL

http://appldnld.apple.com/watchos4.3/091-49075-201803029-5FE5B636-2B95-11E8-94D2-7D2E04115E15/com_apple_MobileAsset_SoftwareUpdate/12a330c0d02e4458162ba5b9b1e692d851c0e822.zip