watchOS 4.1

watchOS

Version

4.1

Build ID

15R5835d

File Size

120.38 MB

Release Date

2017-10-09T17:04:42Z

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 15R5835d) is an official Apple over-the-air update for the Apple Watch (42mm), released on 2017-10-09T17:04:42Z. The update package is 120.38 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 70f40b766f5728f71ed483994aff5e4a7ab56636.zip.

Direct URL

http://appldnld.apple.com/watchos4.1seeds/091-37671-20171009-7C4A4572-AAC0-11E7-B292-42C564D90D56/com_apple_MobileAsset_SoftwareUpdate/70f40b766f5728f71ed483994aff5e4a7ab56636.zip