watchOS 5.1.2

watchOS

Version

5.1.2

Build ID

16S46

File Size

735.65 MB

Release Date

2018-12-06T18:04:16Z

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 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 2018-12-06T18:04:16Z. The update package is 735.65 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 839506043ab038939ebf59321363f3779f37fe56.zip.

Direct URL

http://updates-http.cdn-apple.com/2018FallFCS/patches/041-05180/4AFE78A6-F1D4-11E8-8ABA-ED44CBE9C7C1/com_apple_MobileAsset_SoftwareUpdate/839506043ab038939ebf59321363f3779f37fe56.zip