A: Your controller board firmware (inside the physical gamepad) doesn't match the main OS. You need the specific "keyboard driver" update pack.
: The firmware is highly sensitive to SD card formatting. If you encounter an "Unsupported Format" error, reformatting the card to FAT32 or ExFAT using a PC is usually the fix. Updating or Restoring Firmware X6 Game Console Firmware
Most versions include 8 dedicated save slots per game. A: Your controller board firmware (inside the physical
The firmware file is corrupted or the SD card is too slow. Use a SanDisk Ultra card. Re-download the .img file and verify the checksum (MD5 hash). X6 Game Console Firmware
You will void your warranty. Some CFWs disable HDMI out because of driver conflicts.