watchOS 5.1

watchOS

Version

5.1

Build ID

16R6591

File Size

408.97 MB

Release Date

2018-10-30T17:21:46Z

Update Type

Normal release

Delta update - requires 5.0 installed first.

Download OTA

Looking for beta firmware? View beta builds for Apple Watch Series 3 (42mm) →

About This Update

watchOS 5.1 (build 16R6591) is an official Apple over-the-air update for the Apple Watch Series 3 (42mm), released on 2018-10-30T17:21:46Z. The update package is 408.97 MB. This is a delta (partial) update that requires 5.0 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 d0ed831ac5edf01759bad546268638a5b696cc44.zip.

Direct URL

http://updates-http.cdn-apple.com/2018FallFCS/patches/041-00555/ECAACB76-D65B-11E8-9C81-8173D9F74C52/com_apple_MobileAsset_SoftwareUpdate/d0ed831ac5edf01759bad546268638a5b696cc44.zip