watchOS 5.1

watchOS

Version

5.1

Build ID

16R5568d

File Size

575.61 MB

Release Date

2018-10-02T17:14:10Z

Update Type

Normal release

Delta update - requires 5.0 installed first.

Download OTA

Looking for beta firmware? View beta builds for Apple Watch Series 2 (38mm) →

About This Update

watchOS 5.1 (build 16R5568d) is an official Apple over-the-air update for the Apple Watch Series 2 (38mm), released on 2018-10-02T17:14:10Z. The update package is 575.61 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 78c92dea80ef5840cd98aedf3a104adb4f6b411f.zip.

Direct URL

http://updates-http.cdn-apple.com/2018FallSeed/patches/041-08253/7FA1680E-C275-11E8-BDDD-D89CFE3F33EA/com_apple_MobileAsset_SoftwareUpdate/78c92dea80ef5840cd98aedf3a104adb4f6b411f.zip