watchOS 5.1.2

watchOS

Version

5.1.2

Build ID

16S46

File Size

752.69 MB

Release Date

2018-12-06T18:04:05Z

Update Type

Normal release

Delta update - requires 4.1 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 2018-12-06T18:04:05Z. The update package is 752.69 MB. This is a delta (partial) update that requires 4.1 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 402e3931e4959c5baad95d05aaed352f7a2a6fc4.zip.

Direct URL

http://updates-http.cdn-apple.com/2018FallFCS/patches/041-04950/DD9EBE3E-F1D2-11E8-99C2-A86F485DD357/com_apple_MobileAsset_SoftwareUpdate/402e3931e4959c5baad95d05aaed352f7a2a6fc4.zip