watchOS 5.1

watchOS

Version

5.1

Build ID

16R591

File Size

975.19 MB

Release Date

2018-10-30T17:20:55Z

Update Type

Normal release

Delta update - requires 3.1.1 installed first.

Download OTA

Looking for beta firmware? View beta builds for Apple Watch Series 2 (42mm) →

About This Update

watchOS 5.1 (build 16R591) is an official Apple over-the-air update for the Apple Watch Series 2 (42mm), released on 2018-10-30T17:20:55Z. The update package is 975.19 MB. This is a delta (partial) update that requires 3.1.1 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 7dc5ca81abfd9b433c49f534e567d603a501bfd2.zip.

Direct URL

http://updates-http.cdn-apple.com/2018FallFCS/patches/091-90150/685188E0-D65D-11E8-9F62-9F810CBEE03C/com_apple_MobileAsset_SoftwareUpdate/7dc5ca81abfd9b433c49f534e567d603a501bfd2.zip