watchOS 4.3

watchOS

Version

4.3

Build ID

15T5187e

File Size

317.67 MB

Release Date

2018-02-21T18:11:32Z

Update Type

Normal release

Delta update - requires 4.2.3 installed first.

Download OTA

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About This Update

watchOS 4.3 (build 15T5187e) is an official Apple over-the-air update for the Apple Watch (42mm), released on 2018-02-21T18:11:32Z. The update package is 317.67 MB. This is a delta (partial) update that requires 4.2.3 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 1610f8625b735dc8ae905f9645fb06de70129b3f.zip.

Direct URL

http://appldnld.apple.com/watchos4.3seed/091-70311-20180222-2D1B2FCC-1341-11E8-994D-56B970E8E01E/com_apple_MobileAsset_SoftwareUpdate/1610f8625b735dc8ae905f9645fb06de70129b3f.zip