watchOS 5.3

watchOS

Version

5.3

Build ID

16U5526f

File Size

1.34 GB

Release Date

2019-05-15T17:13:06Z

Update Type

Normal release

Download OTA

Looking for beta firmware? View beta builds for Apple Watch Series 4 (44mm, LTE) →

About This Update

watchOS 5.3 (build 16U5526f) is an official Apple over-the-air update for the Apple Watch Series 4 (44mm, LTE), released on 2019-05-15T17:13:06Z. The update package is 1.34 GB. This is a full OTA update that can be applied from any compatible base version. 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 12832e7121b7463199ba68ddf48f2677fdf3a5fa.zip.

Direct URL

http://updates-http.cdn-apple.com/2019SpringSeed/patches/041-63024/6CD3229A-758E-11E9-8B49-B43C9A94C503/com_apple_MobileAsset_SoftwareUpdate/12832e7121b7463199ba68ddf48f2677fdf3a5fa.zip