watchOS 4.2

watchOS

Version

4.2

Build ID

15S5102

File Size

47.62 MB

Release Date

2017-12-05T18:01:36Z

Update Type

Normal release

Delta update - requires 4.2 installed first.

Download OTA

Looking for beta firmware? View beta builds for Apple Watch Series 2 (42mm) →

About This Update

watchOS 4.2 (build 15S5102) is an official Apple over-the-air update for the Apple Watch Series 2 (42mm), released on 2017-12-05T18:01:36Z. The update package is 47.62 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 14f804d56a1a3c4eead769487d6954484e32a6b3.zip.

Direct URL

http://appldnld.apple.com/watchos4.2/091-47334-20171204-278FEE48-D481-11E7-9DB1-60442EDC3D3E/com_apple_MobileAsset_SoftwareUpdate/14f804d56a1a3c4eead769487d6954484e32a6b3.zip