watchOS 4.2

watchOS

Version

4.2

Build ID

15S5085b

File Size

256.2 MB

Release Date

2017-10-30T22:07:00Z

Update Type

Normal release

Delta update - requires 4.0 installed first.

Download OTA

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

About This Update

watchOS 4.2 (build 15S5085b) is an official Apple over-the-air update for the Apple Watch (42mm), released on 2017-10-30T22:07:00Z. The update package is 256.2 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 9801eb46991ccc38fcd47ccda5c64badb8e54d15.zip.

Direct URL

http://appldnld.apple.com/watchos4.2seed/091-41397-20171031-B92A4528-BB46-11E7-8265-C30E52DBC410/com_apple_MobileAsset_SoftwareUpdate/9801eb46991ccc38fcd47ccda5c64badb8e54d15.zip