watchOS 5.1

watchOS

Version

5.1

Build ID

16R6591

File Size

392.68 MB

Release Date

2018-10-30T17:21:16Z

Update Type

Normal release

Delta update - requires 5.0 installed first.

Download OTA

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

About This Update

watchOS 5.1 (build 16R6591) is an official Apple over-the-air update for the Apple Watch Series 1 (42mm), released on 2018-10-30T17:21:16Z. The update package is 392.68 MB. This is a delta (partial) update that requires 5.0 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 af292328f553901bd18d33a633b2158a5b50c0b5.zip.

Direct URL

http://updates-http.cdn-apple.com/2018FallFCS/patches/041-03983/ECC19E46-D65B-11E8-9AEE-FEB18FDD8CAB/com_apple_MobileAsset_SoftwareUpdate/af292328f553901bd18d33a633b2158a5b50c0b5.zip