Download Rr8501 C816a 1366x768 Rar -

Insert the USB into the TV's port while it is unplugged. Plug the TV into power; a flashing standby light usually indicates the update is in progress.

1366x768 (standard for 24-inch to 32-inch HD panels). Download RR8501 C816A 1366x768 rar

Because these boards are generic, official manufacturer websites do not exist. Instead, firmware is hosted on community repair forums and Telegram channels: Insert the USB into the TV's port while it is unplugged