watchOS 4.1

watchOS

Version

4.1

Build ID

15R5843a

File Size

533.85 MB

Release Date

2017-10-16T17:05:20Z

Update Type

Normal release

Delta update - requires 3.2.3 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 2017-10-16T17:05:20Z. The update package is 533.85 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 876d85c42fe5ba308c2d148f0cfb1478769a79d8.zip.

Direct URL

http://appldnld.apple.com/watchos4.1seeds/091-37644-20171016-45E5C0F8-AF8C-11E7-B493-AE0EBDA7E146/com_apple_MobileAsset_SoftwareUpdate/876d85c42fe5ba308c2d148f0cfb1478769a79d8.zip