watchOS 5.1.1

watchOS

Version

5.1.1

Build ID

16R6600

File Size

165.2 MB

Release Date

2018-11-05T18:07:01Z

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 (44mm, LTE) →

About This Update

watchOS 5.1.1 (build 16R6600) is an official Apple over-the-air update for the Apple Watch Series 4 (44mm, LTE), released on 2018-11-05T18:07:01Z. The update package is 165.2 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 97910d256f8c22d38d22ee5b74161735a26ab3d0.zip.

Direct URL

http://updates-http.cdn-apple.com/2018FallFCS/patches/041-19313/19A60806-DD51-11E8-BB4C-9B9D89DD931B/com_apple_MobileAsset_SoftwareUpdate/97910d256f8c22d38d22ee5b74161735a26ab3d0.zip