watchOS 4.3

watchOS

Version

4.3

Build ID

15T5176c

File Size

290.17 MB

Release Date

2018-02-07T18:09:23Z

Update Type

Normal release

Delta update - requires 4.2.2 installed first.

Download OTA

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About This Update

watchOS 4.3 (build 15T5176c) is an official Apple over-the-air update for the Apple Watch (38mm), released on 2018-02-07T18:09:23Z. The update package is 290.17 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 523011016243ab8a394eedd4546d02b16d558999.zip.

Direct URL

http://appldnld.apple.com/watchos4.3seed/091-64129-20180205-5A35B022-07A2-11E8-8C67-1834315CC82B/com_apple_MobileAsset_SoftwareUpdate/523011016243ab8a394eedd4546d02b16d558999.zip