Extract the .bin file from your downloaded .rar or .zip archive.
Plug the TV back in and turn on the power. The standby LED should begin flashing rapidly, indicating the update is in progress.
Turn off the TV and unplug it from the power source. Insert USB: Plug the flash drive into the TV's USB port. Download RR8501 C031F 1366x768 USB rar
Installing firmware via USB is the standard way to recover or update these "China Universal" boards: Use a USB flash drive formatted to FAT32 .
Place the .bin file (often named SI6M181.bin or similar) directly into the root directory of the USB drive. Do not put it in a folder. Extract the
The is a universal LED/LCD TV motherboard firmware designed for boards using the RDA8501 chipset. This specific version is often used to resolve booting issues, logo hangs, or to configure the board for a 1366x768 resolution display panel. Key Specifications
Wait until the LED stops flashing or the TV restarts. Do not power off during this process to avoid bricking the board. Turn off the TV and unplug it from the power source
A resource for RR8501 USB firmware and BIOS bin files . Installation Steps (USB Method)