watchOS 5.1

watchOS

Version

5.1

Build ID

16R6591

File Size

619.05 MB

Release Date

2018-10-30T17:21:20Z

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 (38mm, LTE) →

About This Update

watchOS 5.1 (build 16R6591) is an official Apple over-the-air update for the Apple Watch Series 3 (38mm, LTE), released on 2018-10-30T17:21:20Z. The update package is 619.05 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 e126bfcac4fa128d620f4936a8cc2cb6037654a1.zip.

Direct URL

http://updates-http.cdn-apple.com/2018FallFCS/patches/091-89934/A3040504-D65C-11E8-A073-A3E9F02B69E0/com_apple_MobileAsset_SoftwareUpdate/e126bfcac4fa128d620f4936a8cc2cb6037654a1.zip