watchOS 4.1

watchOS

Version

4.1

Build ID

15R846

File Size

594.11 MB

Release Date

2017-10-20T17:05:45Z

Update Type

Normal release

Delta update - requires 3.1.1 installed first.

Download OTA

Looking for beta firmware? View beta builds for Apple Watch Series 1 (38mm) →

About This Update

watchOS 4.1 (build 15R846) is an official Apple over-the-air update for the Apple Watch Series 1 (38mm), released on 2017-10-20T17:05:45Z. The update package is 594.11 MB. This is a delta (partial) update that requires 3.1.1 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 38bf8725cf2811bb8d8b06f830af704144bdf8b0.zip.

Direct URL

http://appldnld.apple.com/watchos4.1seeds/091-20667-20171020-043E4B00-B50B-11E7-AE16-15E7BDA7E146/com_apple_MobileAsset_SoftwareUpdate/38bf8725cf2811bb8d8b06f830af704144bdf8b0.zip