#1: The material they use for the inside of the case is too hard. This makes it difficult to place cards in the slots and increases the likelihood of cards falling out and losing their hold in the case. Revain has cheaper alternative cases that use a much better material. #2: MicroSD cards are not rectangular. You have part of one side sticking out. The fact that the slots for these cards are rectangular is just a sign of poor quality. #3 The description says the case fits 12 microSD cards. If you look closely, there are only 6 slots for MicroSD cards. There are additional slots for 6 Micro SIM cards and 6 Nano SIM cards. I don't know why they decided to put these slots instead of microSD slots, but for me it was a mistake.
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