watchOS 5.1

watchOS

Version

5.1

Build ID

16R5568d

File Size

133.58 MB

Release Date

2018-10-02T17:14:25Z

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 1 (38mm) →

About This Update

watchOS 5.1 (build 16R5568d) is an official Apple over-the-air update for the Apple Watch Series 1 (38mm), released on 2018-10-02T17:14:25Z. The update package is 133.58 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 cc170f6205e5790dd904eb7ccceb2b138ef69bd8.zip.

Direct URL

http://updates-http.cdn-apple.com/2018FallSeed/patches/041-08817/7E89B968-C274-11E8-93E9-8B44E462B2E7/com_apple_MobileAsset_SoftwareUpdate/cc170f6205e5790dd904eb7ccceb2b138ef69bd8.zip