watchOS 5.1.2

watchOS

Version

5.1.2

Build ID

16S46

File Size

755.76 MB

Release Date

2018-12-06T18:04:36Z

Update Type

Normal release

Delta update - requires 4.3 installed first.

Download OTA

Looking for beta firmware? View beta builds for Apple Watch Series 3 (38mm) →

About This Update

watchOS 5.1.2 (build 16S46) is an official Apple over-the-air update for the Apple Watch Series 3 (38mm), released on 2018-12-06T18:04:36Z. The update package is 755.76 MB. This is a delta (partial) update that requires 4.3 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 c7040b54e915865f3457b9b547452b9126f63e88.zip.

Direct URL

http://updates-http.cdn-apple.com/2018FallFCS/patches/041-04971/E1C9E1D2-F1D2-11E8-A439-87A5249D5427/com_apple_MobileAsset_SoftwareUpdate/c7040b54e915865f3457b9b547452b9126f63e88.zip