[U-Boot] Not abled to upload binary using "dfu-util"

Hi All,

I am trying to upload images from dfu devices to PC, but

"Copying data from DFU device to PC Starting upload: [] finished! Received a total of 1 bytes"

error i got,

do not know why i getting this kind of error because downloading of files is made but uploading not.

Any help will appreciate.

Thanks ~Sumit Gemini