watchOS 4.1

watchOS

Version

4.1

Build ID

15R5835d

File Size

565.29 MB

Release Date

2017-10-09T17:05:08Z

Update Type

Normal release

Delta update - requires 3.2.2 installed first.

Download OTA

Looking for beta firmware? View beta builds for Apple Watch Series 1 (42mm) →

About This Update

watchOS 4.1 (build 15R5835d) is an official Apple over-the-air update for the Apple Watch Series 1 (42mm), released on 2017-10-09T17:05:08Z. The update package is 565.29 MB. This is a delta (partial) update that requires 3.2.2 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 68f5a23eb1b143a774f460f2dfb2ddedb73b861b.zip.

Direct URL

http://appldnld.apple.com/watchos4.1seeds/091-37603-20171009-2ABB9120-AAC0-11E7-B26D-83BA64D90D56/com_apple_MobileAsset_SoftwareUpdate/68f5a23eb1b143a774f460f2dfb2ddedb73b861b.zip