The update brings the build version number G781USQS1CUAA. The full update file size is above2GB  so while downloading this make sure to use Wi-Fi to avoid data charges. The latest update adds One UI 3.0 features which bring improved UI, better usability, refined quick panel, and also the new features of Android 11. Unsurprisingly, Samsung also includes December 2020 security patch in the latest update. As of now, the company has not added all the changes in the update changelog.
As usual, the Galaxy S20 FE will get One UI 3.0 update in a phased manner. So, it may take some time to reach your phone. Alternatively, you can manually check for the update by navigating to Settings -> Software updates -> Check for updates.

Device Name:  Galaxy S20 FE Model: SM-G781U Region: US Android version: Android 11 Build Number: G781USQS1CUAA

Steps to Install One UI 3.0 on Galaxy S20 FE

Or Using  Frija Samsung Firmware Download Tool

Odin Flash Tool

Check sammobile website to get the latest firmware for your device

Disclaimer

RootMyGalaxy.net is not responsible for any damage happened to your device(s) while following this guide so please proceed at your own risk. However, we would be happy to help with any problems within our reach

Installation Guide (Manual Flashing using Odin)

If the installation is successful, you will see the message Pass in the Log Tab.  

G781USQS1CUAA   Galaxy S20 FE Android 11 based One UI 3 0 update  US Carrier  - 25