watchOS 4.1

watchOS

Version

4.1

Build ID

15R5843a

File Size

118.33 MB

Release Date

2017-10-16T17:05:50Z

Update Type

Normal release

Delta update - requires 4.0 installed first.

Download OTA

Looking for beta firmware? View beta builds for Apple Watch Series 1 (38mm) →

About This Update

watchOS 4.1 (build 15R5843a) is an official Apple over-the-air update for the Apple Watch Series 1 (38mm), released on 2017-10-16T17:05:50Z. The update package is 118.33 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 793e01dd2674be58ae0055317aed36c3793f0a7c.zip.

Direct URL

http://appldnld.apple.com/watchos4.1seeds/091-38853-20171016-40ED33E6-AF8D-11E7-94E1-1526BDA7E146/com_apple_MobileAsset_SoftwareUpdate/793e01dd2674be58ae0055317aed36c3793f0a7c.zip