: Ensure your board is strictly MB3502A . Flashing a dump from a different version (like MB3502B) can permanently disable the hardware.
: Programs like STB Erom Upgrade or the software bundled with your CH341A programmer. 2. Step-by-Step Installation Guide
Load the extracted .bin file into the "File" or "Path" section of the loader. : Click Start or Next in the software.
: Once the software confirms a successful flash, restart the device. The receiver should now boot past the logo screen. 3. Safety Precautions