watchOS 5.3

watchOS

Version

5.3

Build ID

16U5545c

File Size

1.37 GB

Release Date

2019-06-11T17:14:17Z

Update Type

Normal release

Download OTA

Looking for beta firmware? View beta builds for Apple Watch Series 4 (40mm, LTE) →

About This Update

watchOS 5.3 (build 16U5545c) is an official Apple over-the-air update for the Apple Watch Series 4 (40mm, LTE), released on 2019-06-11T17:14:17Z. The update package is 1.37 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 2f903da985a8ed694965aa01d6838c8e4a262e49.zip.

Direct URL

http://updates-http.cdn-apple.com/2019SpringSeed/patches/041-72891/1ADCB900-88A9-11E9-8E43-71CA4B7D6DB9/com_apple_MobileAsset_SoftwareUpdate/2f903da985a8ed694965aa01d6838c8e4a262e49.zip