watchOS 5.1.1

watchOS

Version

5.1.1

Build ID

16R600

File Size

974.44 MB

Release Date

2018-11-05T18:05:45Z

Update Type

Normal release

Delta update - requires 3.1.1 installed first.

Download OTA

Looking for beta firmware? View beta builds for Apple Watch Series 1 (42mm) →

About This Update

watchOS 5.1.1 (build 16R600) is an official Apple over-the-air update for the Apple Watch Series 1 (42mm), released on 2018-11-05T18:05:45Z. The update package is 974.44 MB. This is a delta (partial) update that requires 3.1.1 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 84320feb42064fb54fa598f22904293074ca31e0.zip.

Direct URL

http://updates-http.cdn-apple.com/2018FallFCS/patches/041-19272/AE391FAE-DD50-11E8-A905-806FA37F400B/com_apple_MobileAsset_SoftwareUpdate/84320feb42064fb54fa598f22904293074ca31e0.zip