watchOS 4.1

watchOS

Version

4.1

Build ID

15R5835d

File Size

74.37 MB

Release Date

2017-10-09T17:04:36Z

Update Type

Normal release

Delta update - requires 4.1 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 2017-10-09T17:04:36Z. The update package is 74.37 MB. This is a delta (partial) update that requires 4.1 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 52e1d3b029dfa2937b9bd45fd5753e4e38c748ad.zip.

Direct URL

http://appldnld.apple.com/watchos4.1seeds/091-37596-20171009-12EE767A-AAC0-11E7-ACE9-11B664D90D56/com_apple_MobileAsset_SoftwareUpdate/52e1d3b029dfa2937b9bd45fd5753e4e38c748ad.zip