Here is how to address this issue based on common troubleshooting steps for that device:
If the file fails to copy or load, the included SD card is often corrupt. Use a high-quality, branded SD card (e.g., SanDisk, Samsung) and format it to FAT32 . Download WRONG mamo mini plus rar
when you try to open the rar or use the file? Are you using the stock SD card that came with the device? Here is how to address this issue based
If the device won't boot, you may need to reflash the official Miyoo firmware to fix the "wrong" file. branded SD card (e.g.
It sounds like you may have downloaded a corrupted or incorrect ROM or firmware file ( .rar ) for your handheld, which is common if sources aren't verified.