watchOS 4.1

watchOS

Version

4.1

Build ID

15R5843a

File Size

312.6 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 312.6 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 db47f7bdbac02f9fb7d40d3651d36a27a284065f.zip.

Direct URL

http://appldnld.apple.com/watchos4.1seeds/091-38836-20171016-0EC82DDA-AF8D-11E7-93B0-8222BDA7E146/com_apple_MobileAsset_SoftwareUpdate/db47f7bdbac02f9fb7d40d3651d36a27a284065f.zip