watchOS 4.2

watchOS

Version

4.2

Build ID

15S5085b

File Size

181.78 MB

Release Date

2017-10-30T22:07:32Z

Update Type

Normal release

Delta update - requires 4.1 installed first.

Download OTA

Looking for beta firmware? View beta builds for Apple Watch Series 3 (38mm, LTE) →

About This Update

watchOS 4.2 (build 15S5085b) is an official Apple over-the-air update for the Apple Watch Series 3 (38mm, LTE), released on 2017-10-30T22:07:32Z. The update package is 181.78 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 823a6537ca2d5768aaefe362845af50ca3c6b526.zip.

Direct URL

http://appldnld.apple.com/watchos4.2seed/091-41394-20171031-55CBA39A-BB47-11E7-A430-972452DBC410/com_apple_MobileAsset_SoftwareUpdate/823a6537ca2d5768aaefe362845af50ca3c6b526.zip