watchOS 5.1.1

watchOS

Version

5.1.1

Build ID

16R600

File Size

965.85 MB

Release Date

2018-11-05T18:05:34Z

Update Type

Normal release

Delta update - requires 3.1.3 installed first.

Download OTA

Looking for beta firmware? View beta builds for Apple Watch Series 1 (38mm) →

About This Update

watchOS 5.1.1 (build 16R600) is an official Apple over-the-air update for the Apple Watch Series 1 (38mm), released on 2018-11-05T18:05:34Z. The update package is 965.85 MB. This is a delta (partial) update that requires 3.1.3 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 cd63c9c6260d8822fc304adbff2f3613cbaf1945.zip.

Direct URL

http://updates-http.cdn-apple.com/2018FallFCS/patches/041-19042/74A59706-DD4E-11E8-9760-88D35817B6B9/com_apple_MobileAsset_SoftwareUpdate/cd63c9c6260d8822fc304adbff2f3613cbaf1945.zip