watchOS 5.1.2

watchOS

Version

5.1.2

Build ID

16S46

File Size

963.95 MB

Release Date

2018-12-06T18:04:14Z

Update Type

Normal release

Delta update - requires 3.2.3 installed first.

Download OTA

Looking for beta firmware? View beta builds for Apple Watch Series 1 (42mm) →

About This Update

watchOS 5.1.2 (build 16S46) is an official Apple over-the-air update for the Apple Watch Series 1 (42mm), released on 2018-12-06T18:04:14Z. The update package is 963.95 MB. This is a delta (partial) update that requires 3.2.3 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 f9e7744b93acd38c040e2895943225343fc12b9a.zip.

Direct URL

http://updates-http.cdn-apple.com/2018FallFCS/patches/041-05157/2B711CAA-F1D4-11E8-9145-A99BC23E4E04/com_apple_MobileAsset_SoftwareUpdate/f9e7744b93acd38c040e2895943225343fc12b9a.zip