watchOS 5.1

watchOS

Version

5.1

Build ID

16R6591

File Size

516.15 MB

Release Date

2018-10-30T17:21:31Z

Update Type

Normal release

Delta update - requires 5.0 installed first.

Download OTA

Looking for beta firmware? View beta builds for Apple Watch Series 3 (42mm, LTE) →

About This Update

watchOS 5.1 (build 16R6591) is an official Apple over-the-air update for the Apple Watch Series 3 (42mm, LTE), released on 2018-10-30T17:21:31Z. The update package is 516.15 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 3badb6092e43c204e0da782741c122ae9f3e3d32.zip.

Direct URL

http://updates-http.cdn-apple.com/2018FallFCS/patches/091-98162/077CFB0C-D65E-11E8-82E2-E083780853B0/com_apple_MobileAsset_SoftwareUpdate/3badb6092e43c204e0da782741c122ae9f3e3d32.zip