watchOS 5.3.8

watchOS

Version

5.3.8

Build ID

16U680

File Size

52.86 MB

Release Date

2020-07-15T17:28:32Z

Update Type

Normal release

Delta update - requires 5.3.2 installed first.

Download OTA

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

About This Update

watchOS 5.3.8 (build 16U680) is an official Apple over-the-air update for the Apple Watch Series 4 (44mm), released on 2020-07-15T17:28:32Z. The update package is 52.86 MB. This is a delta (partial) update that requires 5.3.2 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 199bb7d75579c2433bfd213f5e29accfcb70d58f.zip.

Direct URL

http://updates-http.cdn-apple.com/2020SummerFCS/patches/001-10648/A8C2A1C2-5956-4BFE-98CB-5787F9E64188/com_apple_MobileAsset_SoftwareUpdate/199bb7d75579c2433bfd213f5e29accfcb70d58f.zip