watchOS 4.1

watchOS

Version

4.1

Build ID

15R846

File Size

605.36 MB

Release Date

2017-10-20T17:05:52Z

Update Type

Normal release

Delta update - requires 3.1 installed first.

Download OTA

Looking for beta firmware? View beta builds for Apple Watch Series 1 (42mm) →

About This Update

watchOS 4.1 (build 15R846) is an official Apple over-the-air update for the Apple Watch Series 1 (42mm), released on 2017-10-20T17:05:52Z. The update package is 605.36 MB. This is a delta (partial) update that requires 3.1 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 f18e9ebb06b24a760821be0ac94fe92c3e7ed5d6.zip.

Direct URL

http://appldnld.apple.com/watchos4.1seeds/091-20497-20171020-F7467B12-B509-11E7-B81F-0FD1BDA7E146/com_apple_MobileAsset_SoftwareUpdate/f18e9ebb06b24a760821be0ac94fe92c3e7ed5d6.zip