watchOS 4.1

watchOS

Version

4.1

Build ID

15R5835d

File Size

150.1 MB

Release Date

2017-10-09T17:05:21Z

Update Type

Normal release

Delta update - requires 4.0.1 installed first.

Download OTA

Looking for beta firmware? View beta builds for Apple Watch Series 3 (38mm, LTE) →

About This Update

watchOS 4.1 (build 15R5835d) is an official Apple over-the-air update for the Apple Watch Series 3 (38mm, LTE), released on 2017-10-09T17:05:21Z. The update package is 150.1 MB. This is a delta (partial) update that requires 4.0.1 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 55fbd79c7271ae77cd4e8f5d5001f10d940acb05.zip.

Direct URL

http://appldnld.apple.com/watchos4.1seeds/091-37696-20171009-A7FE5E88-AAC0-11E7-92E5-2FC964D90D56/com_apple_MobileAsset_SoftwareUpdate/55fbd79c7271ae77cd4e8f5d5001f10d940acb05.zip