According to the latest information, Samsung has started sending a new firmware update to the Galaxy Note 20 series which comes with build versions: N986U1UEU1CTLB and N981U1UEU1CTLB for the Galaxy Note 20 Ultra and Galaxy Note 20 respectively.
Currently, the company is rolling out this software to the US unlocked variants. As per the new changelog, it brings improvements to the stability of system functions for increased device performance. In addition, this update also fixes some minor bugs for a better user experience.
Thanks for the tip: sarjeelhkhan
Check for the latest update manually by heading to your device’s Settings, then click on Software updates, and finally hit on Download and install.