watchOS 5.3.5

watchOS

Version

5.3.5

Build ID

16U652

File Size

47.73 MB

Release Date

2020-02-18T18:07:10Z

Update Type

Normal release

Delta update - requires 5.3.4 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 2020-02-18T18:07:10Z. The update package is 47.73 MB. This is a delta (partial) update that requires 5.3.4 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 6c2b66ba8c1c6c64e1a2ad8a2305713cc15336b5.zip.

Direct URL

http://updates-http.cdn-apple.com/2020WinterFCS/patches/061-77444/1514947B-F2C4-41BA-9F70-940E5238E3EC/com_apple_MobileAsset_SoftwareUpdate/6c2b66ba8c1c6c64e1a2ad8a2305713cc15336b5.zip