watchOS 4.2

watchOS

Version

4.2

Build ID

15S5102

File Size

55.49 MB

Release Date

2017-12-05T18:00:58Z

Update Type

Normal release

Delta update - requires 4.2 installed first.

Download OTA

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About This Update

watchOS 4.2 (build 15S5102) is an official Apple over-the-air update for the Apple Watch (42mm), released on 2017-12-05T18:00:58Z. The update package is 55.49 MB. This is a delta (partial) update that requires 4.2 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 79da3ac14f2d785bf475bcf45e6a2f9dddccf030.zip.

Direct URL

http://appldnld.apple.com/watchos4.2/091-44662-20171204-1A02A6DA-D481-11E7-9792-AF412EDC3D3E/com_apple_MobileAsset_SoftwareUpdate/79da3ac14f2d785bf475bcf45e6a2f9dddccf030.zip