watchOS 4.1

watchOS

Version

4.1

Build ID

15R5843a

File Size

241.92 MB

Release Date

2017-10-16T17:05:45Z

Update Type

Normal release

Delta update - requires 4.0 installed first.

Download OTA

Looking for beta firmware? View beta builds for Apple Watch Series 2 (42mm) →

About This Update

watchOS 4.1 (build 15R5843a) is an official Apple over-the-air update for the Apple Watch Series 2 (42mm), released on 2017-10-16T17:05:45Z. The update package is 241.92 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 42c7b81866bf0edc31c375c115b6624fd27b253e.zip.

Direct URL

http://appldnld.apple.com/watchos4.1seeds/091-38822-20171016-F0E4E6A0-AF8C-11E7-8F8B-AB1FBDA7E146/com_apple_MobileAsset_SoftwareUpdate/42c7b81866bf0edc31c375c115b6624fd27b253e.zip