watchOS 4.2

watchOS

Version

4.2

Build ID

15S102

File Size

167.48 MB

Release Date

2017-12-05T18:00:37Z

Update Type

Normal release

Delta update - requires 4.0 installed first.

Download OTA

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About This Update

watchOS 4.2 (build 15S102) is an official Apple over-the-air update for the Apple Watch (38mm), released on 2017-12-05T18:00:37Z. The update package is 167.48 MB. This is a delta (partial) update that requires 4.0 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 847a532c7c95aafc8b6a415323af530e6a4f04c7.zip.

Direct URL

http://appldnld.apple.com/watchos4.2/091-27984-20171204-5F741240-D480-11E7-9AAC-96272EDC3D3E/com_apple_MobileAsset_SoftwareUpdate/847a532c7c95aafc8b6a415323af530e6a4f04c7.zip