watchOS 5.1

watchOS

Version

5.1

Build ID

16R591

File Size

132.65 MB

Release Date

2018-10-30T17:21:05Z

Update Type

Normal release

Delta update - requires 5.0 installed first.

Download OTA

Looking for beta firmware? View beta builds for Apple Watch Series 1 (38mm) →

About This Update

watchOS 5.1 (build 16R591) is an official Apple over-the-air update for the Apple Watch Series 1 (38mm), released on 2018-10-30T17:21:05Z. The update package is 132.65 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 be6d41f4d412fd8cc67b47cbc5ed05767062764b.zip.

Direct URL

http://updates-http.cdn-apple.com/2018FallFCS/patches/041-04519/39317184-D65C-11E8-B4F9-EDCE0722C4BC/com_apple_MobileAsset_SoftwareUpdate/be6d41f4d412fd8cc67b47cbc5ed05767062764b.zip