watchOS 4.3

watchOS

Version

4.3

Build ID

15T212

File Size

344.92 MB

Release Date

2018-03-29T17:09:37Z

Update Type

Normal release

Delta update - requires 4.1 installed first.

Download OTA

Looking for beta firmware? View beta builds for Apple Watch Series 3 (38mm) →

About This Update

watchOS 4.3 (build 15T212) is an official Apple over-the-air update for the Apple Watch Series 3 (38mm), released on 2018-03-29T17:09:37Z. The update package is 344.92 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 80083927cc64950d125bedd7d7382f6a38fbe081.zip.

Direct URL

http://appldnld.apple.com/watchos4.3/091-49082-201803029-9C6A86FE-2B95-11E8-B036-9F3304115E15/com_apple_MobileAsset_SoftwareUpdate/80083927cc64950d125bedd7d7382f6a38fbe081.zip