watchOS 4.0.1

watchOS

Version

4.0.1

Build ID

15R654

File Size

42.85 MB

Release Date

2017-10-04T18:01:11Z

Update Type

Normal release

Delta update - requires 4.0 installed first.

Download OTA

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

About This Update

watchOS 4.0.1 (build 15R654) is an official Apple over-the-air update for the Apple Watch Series 3 (38mm, LTE), released on 2017-10-04T18:01:11Z. The update package is 42.85 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 b01b294b9439fafb24964ed92bb1c61b9fbb66fd.zip.

Direct URL

http://appldnld.apple.com/watchos4.0.1/091-33710-20171003-4CD91722-A54E-11E7-9011-DA2764D90D56/com_apple_MobileAsset_SoftwareUpdate/b01b294b9439fafb24964ed92bb1c61b9fbb66fd.zip