watchOS 5.1.2

watchOS

Version

5.1.2

Build ID

16S46

File Size

971.15 MB

Release Date

2018-12-06T18:04:03Z

Update Type

Normal release

Delta update - requires 3.1 installed first.

Download OTA

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

About This Update

watchOS 5.1.2 (build 16S46) is an official Apple over-the-air update for the Apple Watch Series 1 (38mm), released on 2018-12-06T18:04:03Z. The update package is 971.15 MB. This is a delta (partial) update that requires 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 16753c27c3c55b6f0e47349cc74cdb6d536a2b20.zip.

Direct URL

http://updates-http.cdn-apple.com/2018FallFCS/patches/041-05071/79B472B4-F1D3-11E8-B1D1-E1735BD0A6D6/com_apple_MobileAsset_SoftwareUpdate/16753c27c3c55b6f0e47349cc74cdb6d536a2b20.zip