watchOS 4.3

watchOS

Version

4.3

Build ID

15T5212a

File Size

325.51 MB

Release Date

2018-03-16T20:09:08Z

Update Type

Normal release

Delta update - requires 4.2.2 installed first.

Download OTA

Looking for beta firmware? View beta builds for Apple Watch Series 2 (38mm) →

About This Update

watchOS 4.3 (build 15T5212a) is an official Apple over-the-air update for the Apple Watch Series 2 (38mm), released on 2018-03-16T20:09:08Z. The update package is 325.51 MB. This is a delta (partial) update that requires 4.2.2 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 f3058c05f59b52d691b63edf06f027b1b865d31c.zip.

Direct URL

http://appldnld.apple.com/watchos4.3seed/091-73524-20180316-D92733E4-27C1-11E8-8431-DE68C3BE6990/com_apple_MobileAsset_SoftwareUpdate/f3058c05f59b52d691b63edf06f027b1b865d31c.zip