1024x768 (standard for many 15"–19" LCD panels)

You can find the RR8501 USB Firmware on technical forums like Lab-One Forum , which often hosts community-contributed BIOS and USB firmware files. Installation Guide

Flashing firmware carries risks. Always ensure you have a backup of your original BIOS before proceeding. Incorrect firmware can lead to a black screen or non-responsive hardware. RR8501 USB Firmware Software Bios Bin - Lab-One Forum

The firmware for the motherboard with a 1024x768 resolution is available as a USB upgrade file. This board is a common universal LCD/LED TV mainboard used for various Chinese-brand televisions. Firmware Download & Technical Details Board Model: RR8501.C031A V60

Usually distributed as a .rar or .zip archive containing the .bin firmware file.

Use a standard USB flash drive formatted to FAT32 .