watchOS 4.3

watchOS

Version

4.3

Build ID

15T5212a

File Size

306.57 MB

Release Date

2018-03-16T20:09:02Z

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 15T5212a) is an official Apple over-the-air update for the Apple Watch (42mm), released on 2018-03-16T20:09:02Z. The update package is 306.57 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 2b4b6537dbb9e317521726c1099e13cf265bc2f1.zip.

Direct URL

http://appldnld.apple.com/watchos4.3seed/091-73392-20180316-11B5F520-27C1-11E8-BBE8-C04DC3BE6990/com_apple_MobileAsset_SoftwareUpdate/2b4b6537dbb9e317521726c1099e13cf265bc2f1.zip