watchOS 5.1.1

watchOS

Version

5.1.1

Build ID

16R600

File Size

176.7 MB

Release Date

2018-11-05T18:06:58Z

Update Type

Normal release

Delta update - requires 5.0.1 installed first.

Download OTA

Looking for beta firmware? View beta builds for Apple Watch Series 4 (40mm, LTE) →

About This Update

watchOS 5.1.1 (build 16R600) is an official Apple over-the-air update for the Apple Watch Series 4 (40mm, LTE), released on 2018-11-05T18:06:58Z. The update package is 176.7 MB. This is a delta (partial) update that requires 5.0.1 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 b5b9f629606be2d61481fe096a0821ac65de705f.zip.

Direct URL

http://updates-http.cdn-apple.com/2018FallFCS/patches/041-19335/4008E554-DD51-11E8-8A60-9351A2F05CA1/com_apple_MobileAsset_SoftwareUpdate/b5b9f629606be2d61481fe096a0821ac65de705f.zip