In some cases, the tool changes the reported capacity of the drive in Windows Explorer, but not the actual physical capacity. You might see "64GB free" on your screen, but when you try to copy 40GB of data, the transfer will fail once the physical 32GB limit is hit.
Use the USB ports only for keyboard input or transferring small configuration files. sdata tool v100 double usb or sd card space better
Do not buy cheap USB sticks. Do not try to "save money" on storage for this tool. The Sdata Tool writes data in a way that exposes the weakness of every storage controller. In some cases, the tool changes the reported