While there isn't a single official "All Resolution" .rar hosted by the manufacturer, community repositories often bundle multiple resolution files (such as 1366x768 and 1920x1080) for this board.
If the display colors appear incorrect after a successful update, you may need to enter the Service Menu ( Input + 1147 ) and adjust the "Color Depth" (e.g., toggle between 6-bit and 8-bit) under Panel Control. Manual - Banggood Download RR52C 03A ALL RESOLUTION rar
The firmware for the LCD TV controller board, often bundled as an "All Resolution" package, is essential for configuring the board to match the specific resolution of your LCD panel. Firmware Details & Downloads While there isn't a single official "All Resolution"
Insert the USB drive and the 7-key button panel into the board. Firmware Details & Downloads Insert the USB drive
Turn on the power. The indicator light on the key panel will flash Red .
Wait approximately 1 minute. When the light stops flashing and turns Blue , the upgrade is complete.
HDMI, USB 2.0 (for media and updates), PC-RGB (VGA), and AV. Audio: Built-in 2x8W amplifier. Installation & USB Update Guide To update or change the resolution on your RR52C.03A board: Format USB: Use a FAT32 formatted USB flash drive.