How to check and repair fake USB drive

The market has a lot of cheap "high-capacity" U disk, in fact, these are some expansion disk, the actual capacity is not what it is labeled, the following is how to check and repair fake U disk, the expansion of U disk.

Very simple, as long as 3 steps can be.

First, use mydisktest check whether is the expansion of the U disk.

Second, with chip genius check the chip of U disk.

Third, find the chip corresponding to the production tools, mass production to restore the actual capacity.

Note: The tools that fix the USB stick in the USB stick tool are generally not used. such as Mformat, may be because the program is older, plus the chip does not correspond to the cause.