watchOS 5.1.3

watchOS

Version

5.1.3

Build ID

16S535

File Size

977.13 MB

Release Date

2019-01-22T18:10:57Z

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 2 (42mm) →

About This Update

watchOS 5.1.3 (build 16S535) is an official Apple over-the-air update for the Apple Watch Series 2 (42mm), released on 2019-01-22T18:10:57Z. The update package is 977.13 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 6f16e07d3324c25a4b798f1e49a9f73829422b8a.zip.

Direct URL

http://updates-http.cdn-apple.com/2019WinterFCS/patches/041-17011/718D6478-15F6-11E9-BDB1-D7C14CC90A65/com_apple_MobileAsset_SoftwareUpdate/6f16e07d3324c25a4b798f1e49a9f73829422b8a.zip