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What is Upgrade USB flash drive?

Upgrade USB flash drive, the inside chip capacity was changed from lower to higher by software. Like one chips is 256MB, it can be change to 2G or higher.


When you insert a Upgrade USB flash drive to the computer, the capacity show 2G, you can copy 1.8G file to it. But only the before 256MB file can use. The other files are broken.


That is why some USB flash driver price is very cheap, lower than our normal chip price.

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