watchOS 5.1.2

watchOS

Version

5.1.2

Build ID

16S46

File Size

416.71 MB

Release Date

2018-12-06T18:04:09Z

Update Type

Normal release

Delta update - requires 5.0 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 2018-12-06T18:04:09Z. The update package is 416.71 MB. This is a delta (partial) update that requires 5.0 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 8a57f36ae5413eb5f6921d3fbcbeb23c62350d99.zip.

Direct URL

http://updates-http.cdn-apple.com/2018FallFCS/patches/041-04987/F12A40E0-F1D2-11E8-A813-ACE707BBE2E7/com_apple_MobileAsset_SoftwareUpdate/8a57f36ae5413eb5f6921d3fbcbeb23c62350d99.zip