watchOS 5.1.3

watchOS

Version

5.1.3

Build ID

16S6535

File Size

82.31 MB

Release Date

2019-01-22T18:11:58Z

Update Type

Normal release

Delta update - requires 5.1.3 installed first.

Download OTA

Looking for beta firmware? View beta builds for Apple Watch Series 3 (38mm, LTE) →

About This Update

watchOS 5.1.3 (build 16S6535) is an official Apple over-the-air update for the Apple Watch Series 3 (38mm, LTE), released on 2019-01-22T18:11:58Z. The update package is 82.31 MB. This is a delta (partial) update that requires 5.1.3 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 da612f4c0d583846de0c1a67e3da5b2758884b62.zip.

Direct URL

http://updates-http.cdn-apple.com/2019WinterFCS/patches/041-30836/CF4BCBA4-17EA-11E9-86F7-9AE26684396E/com_apple_MobileAsset_SoftwareUpdate/da612f4c0d583846de0c1a67e3da5b2758884b62.zip