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Help USB storage damaged, no reason given

Put the card into the phone. Boot the phone into recovery. There should be a menu item there to format the card. Format it. It should work after that.

If not, contact SanDisk for a replacement. They're a very easy company to deal with. (They're the manufacturer - they make the chips inside the card - and they don't want their name on bad cards.)
 
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I recently puchased a Meenova MicroSD Card Reader and a 64 GB SanDisk card to go with it. I successfully transferred my music to it...but every time I try to mount the Meenova, my phone says, "USB storage damaged" and doesn't recognize it. Please help, I feel like I wasted over $50 trying to get some external storage on my phone.:(

They make a micro to standard USB adapter which would enable you to plug it into a computer. That would enable you to see if the card can be read/formatted in a PC and might be a good thing to have anyway for data transfer, etc.
 
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