watchOS 4.1

watchOS

Version

4.1

Build ID

15R846

File Size

552.17 MB

Release Date

2017-10-20T17:05:47Z

Update Type

Normal release

Delta update - requires 3.2.2 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 2017-10-20T17:05:47Z. The update package is 552.17 MB. This is a delta (partial) update that requires 3.2.2 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 518dc3b32cd0d98776e622e53aef31cf4319bbce.zip.

Direct URL

http://appldnld.apple.com/watchos4.1seeds/091-20680-20171020-0CC4A4FE-B50B-11E7-9E1A-EBE7BDA7E146/com_apple_MobileAsset_SoftwareUpdate/518dc3b32cd0d98776e622e53aef31cf4319bbce.zip