How to tell if a micro sd card is fake or real

Other SanDisk products Readers, adapters and all other SanDisk® products
2

if you want to make sure that the card you will purchase is genuine, but them from trusted retailers like bestbuy… if you already purchased one, then try calling sandisk support for authentication… their number is 866 7263475. i believe option 2 is the one for the memory cards.