watchOS 5.3.5

watchOS

Version

5.3.5

Build ID

16U652

File Size

55.62 MB

Release Date

2020-02-18T18:07:09Z

Update Type

Normal release

Delta update - requires 5.3.1 installed first.

Download OTA

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

About This Update

watchOS 5.3.5 (build 16U652) is an official Apple over-the-air update for the Apple Watch Series 4 (44mm), released on 2020-02-18T18:07:09Z. The update package is 55.62 MB. This is a delta (partial) update that requires 5.3.1 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 936a66772202b7b7baa10d1ed64a61c627cff11d.zip.

Direct URL

http://updates-http.cdn-apple.com/2020WinterFCS/patches/061-77312/A01317F2-CD84-4BF6-8AE7-A2F3364ABDF2/com_apple_MobileAsset_SoftwareUpdate/936a66772202b7b7baa10d1ed64a61c627cff11d.zip