watchOS 4.1

watchOS

Version

4.1

Build ID

15R5835d

File Size

312.61 MB

Release Date

2017-10-09T17:04:33Z

Update Type

Normal release

Delta update - requires 4.0 installed first.

Download OTA

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

About This Update

watchOS 4.1 (build 15R5835d) is an official Apple over-the-air update for the Apple Watch (38mm), released on 2017-10-09T17:04:33Z. The update package is 312.61 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 cbb178ea86d6d33ff63a136af9c87de517da4d96.zip.

Direct URL

http://appldnld.apple.com/watchos4.1seeds/091-37684-20171009-A52547A8-AAC0-11E7-9F57-54C864D90D56/com_apple_MobileAsset_SoftwareUpdate/cbb178ea86d6d33ff63a136af9c87de517da4d96.zip