watchOS 5.1.1

watchOS

Version

5.1.1

Build ID

16R600

File Size

794.31 MB

Release Date

2018-11-05T18:06:17Z

Update Type

Normal release

Delta update - requires 4.2.2 installed first.

Download OTA

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

About This Update

watchOS 5.1.1 (build 16R600) is an official Apple over-the-air update for the Apple Watch Series 3 (42mm, LTE), released on 2018-11-05T18:06:17Z. The update package is 794.31 MB. This is a delta (partial) update that requires 4.2.2 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 15cbd657bd7d590c25d869821518df26baeec8a2.zip.

Direct URL

http://updates-http.cdn-apple.com/2018FallFCS/patches/041-19118/276D421C-DD4F-11E8-9C2A-93A90965DFB5/com_apple_MobileAsset_SoftwareUpdate/15cbd657bd7d590c25d869821518df26baeec8a2.zip