watchOS 4.1

watchOS

Version

4.1

Build ID

15R5843a

File Size

222.57 MB

Release Date

2017-10-16T17:05:21Z

Update Type

Normal release

Delta update - requires 4.0 installed first.

Download OTA

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

About This Update

watchOS 4.1 (build 15R5843a) is an official Apple over-the-air update for the Apple Watch (38mm), released on 2017-10-16T17:05:21Z. The update package is 222.57 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 8e1682781ea09c03824f588a8bb5a75065ca12f0.zip.

Direct URL

http://appldnld.apple.com/watchos4.1seeds/091-38761-20171016-747BE46A-AF8C-11E7-833B-E813BDA7E146/com_apple_MobileAsset_SoftwareUpdate/8e1682781ea09c03824f588a8bb5a75065ca12f0.zip