watchOS 4.1

watchOS

Version

4.1

Build ID

15R5823c

File Size

101.34 MB

Release Date

2017-09-27T16:59:02Z

Update Type

Normal release

Delta update - requires 4.0 installed first.

Download OTA

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

About This Update

watchOS 4.1 (build 15R5823c) is an official Apple over-the-air update for the Apple Watch (42mm), released on 2017-09-27T16:59:02Z. The update package is 101.34 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 5a4fcef46b898abf85e315e48b0245efe5217fc7.zip.

Direct URL

http://appldnld.apple.com/watchos4.1seeds/091-29595-20170927-3E75F67E-9FBC-11E7-B513-3B446B179ABE/com_apple_MobileAsset_SoftwareUpdate/5a4fcef46b898abf85e315e48b0245efe5217fc7.zip