watchOS 4.1

watchOS

Version

4.1

Build ID

15R846

File Size

145.76 MB

Release Date

2017-10-20T17:05:56Z

Update Type

Normal release

Delta update - requires 4.0.1 installed first.

Download OTA

Looking for beta firmware? View beta builds for Apple Watch Series 3 (38mm, LTE) →

About This Update

watchOS 4.1 (build 15R846) is an official Apple over-the-air update for the Apple Watch Series 3 (38mm, LTE), released on 2017-10-20T17:05:56Z. The update package is 145.76 MB. This is a delta (partial) update that requires 4.0.1 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 eccf7770c8cb4c6d518d0c4a586dad07e467067f.zip.

Direct URL

http://appldnld.apple.com/watchos4.1seeds/091-34486-20171020-73C35DE4-B50B-11E7-A121-F0F0BDA7E146/com_apple_MobileAsset_SoftwareUpdate/eccf7770c8cb4c6d518d0c4a586dad07e467067f.zip