watchOS 4.1

watchOS

Version

4.1

Build ID

15R5843a

File Size

122.04 MB

Release Date

2017-10-16T17:05:29Z

Update Type

Normal release

Delta update - requires 4.0 installed first.

Download OTA

Looking for beta firmware? View beta builds for Apple Watch (42mm) →

About This Update

watchOS 4.1 (build 15R5843a) is an official Apple over-the-air update for the Apple Watch (42mm), released on 2017-10-16T17:05:29Z. The update package is 122.04 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 66b41b7beccb055cbe083e08d59bc55888f79d07.zip.

Direct URL

http://appldnld.apple.com/watchos4.1seeds/091-38851-20171016-3682F530-AF8D-11E7-91B0-9625BDA7E146/com_apple_MobileAsset_SoftwareUpdate/66b41b7beccb055cbe083e08d59bc55888f79d07.zip