watchOS 4.1

watchOS

Version

4.1

Build ID

15R5823c

File Size

303.76 MB

Release Date

2017-09-27T16:58:59Z

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 2017-09-27T16:58:59Z. The update package is 303.76 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 247f1f98b900b45a93c83733cbd37ba682b705e8.zip.

Direct URL

http://appldnld.apple.com/watchos4.1seeds/091-29614-20170927-3E77EE5C-9FBC-11E7-A4E1-45446B179ABE/com_apple_MobileAsset_SoftwareUpdate/247f1f98b900b45a93c83733cbd37ba682b705e8.zip