watchOS 5.1.1

watchOS

Version

5.1.1

Build ID

16R600

File Size

176.84 MB

Release Date

2018-11-05T18:07:00Z

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 (44mm, LTE) →

About This Update

watchOS 5.1.1 (build 16R600) is an official Apple over-the-air update for the Apple Watch Series 4 (44mm, LTE), released on 2018-11-05T18:07:00Z. The update package is 176.84 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 05189764665ef41277449626827bf5401acb1f0c.zip.

Direct URL

http://updates-http.cdn-apple.com/2018FallFCS/patches/041-19340/51174304-DD51-11E8-81F1-E87B3ED07D7C/com_apple_MobileAsset_SoftwareUpdate/05189764665ef41277449626827bf5401acb1f0c.zip