Gts can not copy videos to a usb

[Peruabarka]

Hi
I have a gts and when I want copy a download archive to a usbit same me is not posible. How can I solve it? Rooting?
Regards

[Lining]

Hi
I have a gts and when I want copy a download archive to a usbit same me is not posible. How can I solve it? Rooting?
Regards

You can find the directory of the downloaded file. You can copy files to the U disk from the file management APP.

[Peruabarka]

Hi thanks for answer the question. Hello I do it , but I have problems with other app(es file explorer, cx file explorer...). But grand now say auth failed.
Regards