Do you have the hardware ready, or are you attempting to flash this via USB ?
: Remove the 8-pin flash chip (Winbond or similar) from the MB3502A board and place it in the programmer. Download DUMP CHEROKEE 20HD carte mere MB3502A rar
: Once the software confirms a successful flash, restart the device. The receiver should now boot past the logo screen. 3. Safety Precautions Do you have the hardware ready, or are
: Programs like STB Erom Upgrade or the software bundled with your CH341A programmer. 2. Step-by-Step Installation Guide Do you have the hardware ready
Wait for the progress bar to reach 100%. during this phase, as it will "brick" the motherboard.