watchOS 4.1

watchOS

Version

4.1

Build ID

15R5846

File Size

327.19 MB

Release Date

2017-10-20T17:04:15Z

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 (42mm) →

About This Update

watchOS 4.1 (build 15R5846) is an official Apple over-the-air update for the Apple Watch Series 1 (42mm), released on 2017-10-20T17:04:15Z. The update package is 327.19 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 d1265a6ec878fd16e26b4b9705544501bd051a82.zip.

Direct URL

http://appldnld.apple.com/watchos4.1seeds/091-20651-20171020-D075201E-B50A-11E7-AED9-49E3BDA7E146/com_apple_MobileAsset_SoftwareUpdate/d1265a6ec878fd16e26b4b9705544501bd051a82.zip