Flashing firmware carries risks. Follow these precautions to prevent permanent damage to your hardware:
Ensure the firmware you download is specifically for the V1.0 board with the RDA5815 tuner. Flashing incorrect software (e.g., from a V1.1 or different tuner) will cause a permanent black screen. ostsp1506g rda5815 v10 software free
Use this method if your receiver turns on normally and you can navigate the menu system. Flashing firmware carries risks