watchOS 5.1.2

watchOS

Version

5.1.2

Build ID

16S5046a

File Size

750.78 MB

Release Date

2018-11-15T18:09:21Z

Update Type

Normal release

Delta update - requires 4.3.1 installed first.

Download OTA

Looking for beta firmware? View beta builds for Apple Watch Series 3 (42mm) →

About This Update

watchOS 5.1.2 (build 16S5046a) is an official Apple over-the-air update for the Apple Watch Series 3 (42mm), released on 2018-11-15T18:09:21Z. The update package is 750.78 MB. This is a delta (partial) update that requires 4.3.1 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 cb5b187494637527353161965d040150ae8bbfb3.zip.

Direct URL

http://updates-http.cdn-apple.com/2018FallSeed/patches/041-24901/C729C664-E76C-11E8-B765-106A55D8F596/com_apple_MobileAsset_SoftwareUpdate/cb5b187494637527353161965d040150ae8bbfb3.zip