watchOS 4.3

watchOS

Version

4.3

Build ID

15T6212

File Size

70.29 MB

Release Date

2018-03-29T17:10:05Z

Update Type

Normal release

Delta update - requires 4.3 installed first.

Download OTA

Looking for beta firmware? View beta builds for Apple Watch Series 3 (42mm) →

About This Update

watchOS 4.3 (build 15T6212) is an official Apple over-the-air update for the Apple Watch Series 3 (42mm), released on 2018-03-29T17:10:05Z. The update package is 70.29 MB. This is a delta (partial) update that requires 4.3 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 8c1a48f2d3b21f4553481bd6806f3a8c7cc8be95.zip.

Direct URL

http://appldnld.apple.com/watchos4.3/091-74437-201803029-EAC115DA-2B99-11E8-BEC0-CD5504115E15/com_apple_MobileAsset_SoftwareUpdate/8c1a48f2d3b21f4553481bd6806f3a8c7cc8be95.zip