Do you have the hardware ready, or are you attempting to flash this via USB ?
: Right-click the .rar file and select "Extract Here." Ensure the resulting file has a .bin extension. Connect the Hardware : Download DUMP CHEROKEE 20HD carte mere MB3502A rar
Since this is a motherboard-level file (MB3502A), you cannot usually install it via a standard USB menu. You will need: Do you have the hardware ready, or are
: Typically labeled as DUMP_CHEROKEE_20HD_MB3502A.rar . You must extract this using a tool like WinRAR to get the .bin file. Do you have the hardware ready
: Programs like STB Erom Upgrade or the software bundled with your CH341A programmer. 2. Step-by-Step Installation Guide
: If possible, use your programmer to "Read" and save the current (even if broken) firmware before overwriting it.