watchOS 5.1.3

watchOS

Version

5.1.3

Build ID

16S5523a

File Size

190.26 MB

Release Date

2018-12-10T18:10:28Z

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 3 (42mm) →

About This Update

watchOS 5.1.3 (build 16S5523a) is an official Apple over-the-air update for the Apple Watch Series 3 (42mm), released on 2018-12-10T18:10:28Z. The update package is 190.26 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 49fa1cecdaf8e1b492c437f0a5d5d7a8c3c7a8d3.zip.

Direct URL

http://updates-http.cdn-apple.com/2018FallSeed/patches/041-20907/C3E31AD6-F8DE-11E8-8458-914E01BEB90A/com_apple_MobileAsset_SoftwareUpdate/49fa1cecdaf8e1b492c437f0a5d5d7a8c3c7a8d3.zip