watchOS 4.1

watchOS

Version

4.1

Build ID

15R5823c

File Size

546.25 MB

Release Date

2017-09-27T16:59:05Z

Update Type

Normal release

Delta update - requires 3.2.3 installed first.

Download OTA

Looking for beta firmware? View beta builds for Apple Watch Series 2 (38mm) →

About This Update

watchOS 4.1 (build 15R5823c) is an official Apple over-the-air update for the Apple Watch Series 2 (38mm), released on 2017-09-27T16:59:05Z. The update package is 546.25 MB. This is a delta (partial) update that requires 3.2.3 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 7c1056d66a1868a379faf7293e0fda1d8d764e43.zip.

Direct URL

http://appldnld.apple.com/watchos4.1seeds/091-29715-20170927-A6E89AEE-9FBD-11E7-AEB3-26586B179ABE/com_apple_MobileAsset_SoftwareUpdate/7c1056d66a1868a379faf7293e0fda1d8d764e43.zip