watchOS 4.3

watchOS

Version

4.3

Build ID

15T5187e

File Size

317.63 MB

Release Date

2018-02-21T18:11:31Z

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 15T5187e) is an official Apple over-the-air update for the Apple Watch (42mm), released on 2018-02-21T18:11:31Z. The update package is 317.63 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 d0abc375a3fc13a05b5fae852fc8d78378a0ad04.zip.

Direct URL

http://appldnld.apple.com/watchos4.3seed/091-70245-20180222-47214D7A-1341-11E8-989A-68BE70E8E01E/com_apple_MobileAsset_SoftwareUpdate/d0abc375a3fc13a05b5fae852fc8d78378a0ad04.zip