In order to wipe external storage of my android, I put the SD card in laptop and ran DBAN. It has become blank but not readable by mobile or laptop. Mobile says"SD card blank or has unsupported file system". formatting it does not help. Laptop does not open the card at all. Anyhelp to make it usable again?
It's not readable because DBAN doesn't format the card. It wipes the card using a mathematically random sequence of writes. Format the SD card.
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