Sd+card+uupdbin

The card displays a tiny fraction of its actual size because you are seeing the controller's internal buffer or a small firmware partition rather than the actual storage area.

: If you cannot copy files to the card, check the physical switch on the side or, on Windows, use the Registry Editor sd+card+uupdbin

, it is highly likely the hardware is failing. You can attempt these steps to recover data or reset the card: Check for Fakes: Use a tool like (Windows) or The card displays a tiny fraction of its