I have a 2 TB Toshiba HDD reformatted to fat32 ,and am trying to use a otg and powered hub to read files on my Samsung Galaxy Tab 4 .When I connect the two via an otg and hub the tablet detects the hdd then says usb is damaged try to reformat. I scan and repair the hdd on my laptop ,then try the same setup with my galaxy s3 and the phone will mount and read it with no problem.However if I try to reconnect to the tablet It will repeat the same problem.