watchOS 5.1

watchOS

Version

5.1

Build ID

16R6591

File Size

123.36 MB

Release Date

2018-10-30T17:21:08Z

Update Type

Normal release

Delta update - requires 5.1 installed first.

Download OTA

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

About This Update

watchOS 5.1 (build 16R6591) is an official Apple over-the-air update for the Apple Watch Series 1 (38mm), released on 2018-10-30T17:21:08Z. The update package is 123.36 MB. This is a delta (partial) update that requires 5.1 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 2724833f1b0dca42f88fb2acc710634f5ce7bc4f.zip.

Direct URL

http://updates-http.cdn-apple.com/2018FallFCS/patches/041-08692/43095AB4-D65C-11E8-B910-C3B3B24FDEFC/com_apple_MobileAsset_SoftwareUpdate/2724833f1b0dca42f88fb2acc710634f5ce7bc4f.zip