watchOS 4.1

watchOS

Version

4.1

Build ID

15R5846

File Size

52.5 MB

Release Date

2017-10-20T17:04:30Z

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) →

About This Update

watchOS 4.1 (build 15R5846) is an official Apple over-the-air update for the Apple Watch Series 3 (38mm), released on 2017-10-20T17:04:30Z. The update package is 52.5 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 c95d358919b6aaee430dde01881a6156f7d4b84e.zip.

Direct URL

http://appldnld.apple.com/watchos4.1seeds/091-39307-20171020-8D7DB482-B50B-11E7-BFCE-0FF5BDA7E146/com_apple_MobileAsset_SoftwareUpdate/c95d358919b6aaee430dde01881a6156f7d4b84e.zip