watchOS 5.1.2

watchOS

Version

5.1.2

Build ID

16S46

File Size

820.1 MB

Release Date

2018-12-06T18:04:21Z

Update Type

Normal release

Delta update - requires 4.0.1 installed first.

Download OTA

Looking for beta firmware? View beta builds for Apple Watch Series 3 (38mm, LTE) →

About This Update

watchOS 5.1.2 (build 16S46) is an official Apple over-the-air update for the Apple Watch Series 3 (38mm, LTE), released on 2018-12-06T18:04:21Z. The update package is 820.1 MB. This is a delta (partial) update that requires 4.0.1 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 f368898b2db975fe2400144b8145bc2e6b079a70.zip.

Direct URL

http://updates-http.cdn-apple.com/2018FallFCS/patches/041-05033/54FBE934-F1D3-11E8-9F16-A51CB46B3B1C/com_apple_MobileAsset_SoftwareUpdate/f368898b2db975fe2400144b8145bc2e6b079a70.zip