watchOS 5.1.2

watchOS

Version

5.1.2

Build ID

16S46

File Size

144.54 MB

Release Date

2018-12-06T18:04:52Z

Update Type

Normal release

Delta update - requires 5.1 installed first.

Download OTA

Looking for beta firmware? View beta builds for Apple Watch Series 4 (44mm) →

About This Update

watchOS 5.1.2 (build 16S46) is an official Apple over-the-air update for the Apple Watch Series 4 (44mm), released on 2018-12-06T18:04:52Z. The update package is 144.54 MB. This is a delta (partial) update that requires 5.1 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 bbf5fb3b11074f64a647e3bac8e182824d375b36.zip.

Direct URL

http://updates-http.cdn-apple.com/2018FallFCS/patches/041-18316/4D736F22-F1D1-11E8-835A-C1B5AC015325/com_apple_MobileAsset_SoftwareUpdate/bbf5fb3b11074f64a647e3bac8e182824d375b36.zip