watchOS 4.1

watchOS

Version

4.1

Build ID

15R5846

File Size

137.85 MB

Release Date

2017-10-20T17:04:13Z

Update Type

Normal release

Delta update - requires 4.0 installed first.

Download OTA

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

About This Update

watchOS 4.1 (build 15R5846) is an official Apple over-the-air update for the Apple Watch Series 1 (38mm), released on 2017-10-20T17:04:13Z. The update package is 137.85 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 783451e025d76af2e827dacbdd23c2b8fac975b8.zip.

Direct URL

http://appldnld.apple.com/watchos4.1seeds/091-30618-20171020-490D2B3E-B50B-11E7-8C36-75ECBDA7E146/com_apple_MobileAsset_SoftwareUpdate/783451e025d76af2e827dacbdd23c2b8fac975b8.zip