See also Google:
Flash on 8 GB says that the total volume of 2 GB (1,86 GB).She always worked the norm, and after giving her friend became 2 GB.How to fix it?

xxx: If he cut off 6 hectares and arranged an ext section there, the wheel will not see it. The formats.
Yyy: A friend incorrectly removed the flash from the computer and burned one of the two memory chips. Rarely, but I have seen it myself.
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Zzz: Are you sure he’s your friend?