watchOS 5.1

watchOS

Version

5.1

Build ID

16R591

File Size

962.82 MB

Release Date

2018-10-30T17:20:56Z

Update Type

Normal release

Delta update - requires 3.2.3 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 2018-10-30T17:20:56Z. The update package is 962.82 MB. This is a delta (partial) update that requires 3.2.3 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 781c61cf9e441b4a9f1c989265465fb04d81fcc1.zip.

Direct URL

http://updates-http.cdn-apple.com/2018FallFCS/patches/091-89950/AB7FF328-D65C-11E8-BCA7-C6DB09700FC5/com_apple_MobileAsset_SoftwareUpdate/781c61cf9e441b4a9f1c989265465fb04d81fcc1.zip