watchOS 4.3

watchOS

Version

4.3

Build ID

15T5199f

File Size

306.37 MB

Release Date

2018-03-06T18:07:47Z

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 15T5199f) is an official Apple over-the-air update for the Apple Watch (38mm), released on 2018-03-06T18:07:47Z. The update package is 306.37 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 91d21fdb42c10347a3d996e71ab54ad3e73b139f.zip.

Direct URL

http://appldnld.apple.com/watchos4.3seed/091-71104-20180306-DDC1FB6E-1E52-11E8-9A35-2E0F564229C9/com_apple_MobileAsset_SoftwareUpdate/91d21fdb42c10347a3d996e71ab54ad3e73b139f.zip