watchOS 4.3

watchOS

Version

4.3

Build ID

15T5199f

File Size

325.5 MB

Release Date

2018-03-06T18:08:02Z

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 15T5199f) is an official Apple over-the-air update for the Apple Watch Series 2 (38mm), released on 2018-03-06T18:08:02Z. The update package is 325.5 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 e968b30c21f703483d10d666b67c684b26f2b954.zip.

Direct URL

http://appldnld.apple.com/watchos4.3seed/091-71187-20180306-108ED18E-1E53-11E8-8312-D115564229C9/com_apple_MobileAsset_SoftwareUpdate/e968b30c21f703483d10d666b67c684b26f2b954.zip