watchOS 4.3

watchOS

Version

4.3

Build ID

15T5187e

File Size

340.22 MB

Release Date

2018-02-21T18:11:17Z

Update Type

Normal release

Delta update - requires 4.1 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 (38mm), released on 2018-02-21T18:11:17Z. The update package is 340.22 MB. This is a delta (partial) update that requires 4.1 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 0ed9474f56479b361b4668eb4e7ba0e5de66fdc1.zip.

Direct URL

http://appldnld.apple.com/watchos4.3seed/091-70178-20180222-E6616C4E-1341-11E8-B5E6-25D670E8E01E/com_apple_MobileAsset_SoftwareUpdate/0ed9474f56479b361b4668eb4e7ba0e5de66fdc1.zip