Sponsored Links: This guide will show you how to check if a memory card is original full capacity.As we all know,These days 90percent of the memory cards out there are fake. and its so painful to buy a memory card which 1gb, 2gb, 4gb, 8gb, 32gb, 64gb, 128gb and so on printed on the pack and on the memory card only to detect that the memory card is fake and not full capacity. sometimes it can take a while before you find out. you will notice that by the time you copied some files, media files, documents, and so on, many of the files will become inaccessible and will also hang your devices, these are some of the signs that the memory card is fake. WATCH THE VIDEO TUTORIAL.