Micro SD won't work

Anja_1

Prominent
Feb 17, 2017
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My 8GB micro SD card won't work properly on my android. I created four folders on it, but when I look in the phone, there are just two of them. Then I plug phone in computer and there also are just two folders. I tried to add photos and music to those folders but it also won't show up. What's the problem?
 
Solution
Flash memory, be it an SD card or a fancy new SSD, only has a limited number of writes before the memory cells wear out. Perhaps yours is old enough that it has reached that point and needs replacing.