watchOS 4.1

watchOS

Version

4.1

Build ID

15R846

File Size

553.22 MB

Release Date

2017-10-20T17:05:23Z

Update Type

Normal release

Delta update - requires 3.2.3 installed first.

Download OTA

Looking for beta firmware? View beta builds for Apple Watch Series 2 (38mm) →

About This Update

watchOS 4.1 (build 15R846) is an official Apple over-the-air update for the Apple Watch Series 2 (38mm), released on 2017-10-20T17:05:23Z. The update package is 553.22 MB. This is a delta (partial) update that requires 3.2.3 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 aa6df76c4523cf05fa65b76aeddaf39786c4fab7.zip.

Direct URL

http://appldnld.apple.com/watchos4.1seeds/091-20567-20171020-53F28306-B50A-11E7-A461-C2D8BDA7E146/com_apple_MobileAsset_SoftwareUpdate/aa6df76c4523cf05fa65b76aeddaf39786c4fab7.zip