watchOS 4.2

watchOS

Version

4.2

Build ID

15S5100a

File Size

147.97 MB

Release Date

2017-11-13T18:03:16Z

Update Type

Normal release

Delta update - requires 4.1 installed first.

Download OTA

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About This Update

watchOS 4.2 (build 15S5100a) is an official Apple over-the-air update for the Apple Watch (42mm), released on 2017-11-13T18:03:16Z. The update package is 147.97 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 d733ce630ee9d5ccba6a0a0cea12921bb872fbae.zip.

Direct URL

http://appldnld.apple.com/watchos4.2seed/091-47027-20171113-F94FFADC-C657-11E7-8BB7-31879D2103BC/com_apple_MobileAsset_SoftwareUpdate/d733ce630ee9d5ccba6a0a0cea12921bb872fbae.zip