watchOS 5.1.2

watchOS

Version

5.1.2

Build ID

16S5042a

File Size

145.7 MB

Release Date

2018-11-07T21:15:21Z

Update Type

Normal release

Delta update - requires 5.1.1 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 16S5042a) is an official Apple over-the-air update for the Apple Watch Series 4 (44mm), released on 2018-11-07T21:15:21Z. The update package is 145.7 MB. This is a delta (partial) update that requires 5.1.1 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 c52bd8916181fde657d3f7b537f1999b4875c2e3.zip.

Direct URL

http://updates-http.cdn-apple.com/2018FallSeed/patches/041-19406/2F511354-E13D-11E8-B78F-B29BB2F2E89F/com_apple_MobileAsset_SoftwareUpdate/c52bd8916181fde657d3f7b537f1999b4875c2e3.zip