watchOS 5.1.2

watchOS

Version

5.1.2

Build ID

16S5042a

File Size

143.96 MB

Release Date

2018-11-07T21:15:18Z

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 (40mm) →

About This Update

watchOS 5.1.2 (build 16S5042a) is an official Apple over-the-air update for the Apple Watch Series 4 (40mm), released on 2018-11-07T21:15:18Z. The update package is 143.96 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 1b6803efcb7d0a197da74c8822cc59833234e468.zip.

Direct URL

http://updates-http.cdn-apple.com/2018FallSeed/patches/041-18758/2F5BBDCC-E13D-11E8-BFEC-DBACB2F2E422/com_apple_MobileAsset_SoftwareUpdate/1b6803efcb7d0a197da74c8822cc59833234e468.zip