watchOS 4.3

watchOS

Version

4.3

Build ID

15T212

File Size

656.25 MB

Release Date

2018-03-29T17:06:56Z

Update Type

Normal release

Delta update - requires 3.0 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 2018-03-29T17:06:56Z. The update package is 656.25 MB. This is a delta (partial) update that requires 3.0 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 ec3f158b5851c84ff85cfd295223666be836d6d7.zip.

Direct URL

http://appldnld.apple.com/watchos4.3/091-44818-201803029-158C3FEE-2B93-11E8-AF4C-F31A04115E15/com_apple_MobileAsset_SoftwareUpdate/ec3f158b5851c84ff85cfd295223666be836d6d7.zip