watchOS 5.1.2

watchOS

Version

5.1.2

Build ID

16S5042a

File Size

144.05 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 144.05 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 e2c478e874b71200d73e8e49866a7f11e5bb1284.zip.

Direct URL

http://updates-http.cdn-apple.com/2018FallSeed/patches/041-18744/59E69A94-E13D-11E8-A2C3-FFB77B9F40CF/com_apple_MobileAsset_SoftwareUpdate/e2c478e874b71200d73e8e49866a7f11e5bb1284.zip