XPS 13 9365 2 in 1 CABC - DID - DBC (Content Adaptive Brightness)

Thank you so much to support.

>Remove any external monitor(s) or undock (when applicable).
>Save any data, close any open program(s).
>Plug in the AC adapter into the computer.
>Download the and install the latest BIOS from the link https://dell.to/2DzT2ft
>Download the and install the latest Intel HD 620/640/615 Graphics driver from the link https://dell.to/34O8pwU
>Download the and install the latest Firmware update utility for enabling/disabling DBC (Dynamic Backlight Control) feature utility from the link
https://dell.to/2qcmkh0
>Extract the file package and run the exe file to update the QHD+/FHD firmware
You can choose to either “Enable DBC” or “Disable DBC”
Reboot the computer after the firmware upgrade is completed.