Use a high-quality microSD card (32GB or smaller is often recommended for maximum compatibility). Format it to on your computer. Source the File: Ensure you have the correct cm69update.bin
: Typically, the file is placed in the root directory of a FAT32-formatted USB drive. Users then initiate the "MCU Update" through the head unit's factory or system settings. Critical Safety Warning Applying an incorrect cm69_update.bin cm69updatebin hot