Well, if you are rooted try this out! first off, dowload from google play these two apps:
Terminal Emulator:
https://play.google.com/store/apps/details? id=jackpal.androidterm
Script Manager: https://play.google.com/store/apps/details? id=os.tools.scriptmanager&feature=search_result#? t=W251bGwsMSwxLDEsIm9zLnRvb2xzLnNjcmlwdG1hbmFnZXIiXQ..
after u install the terminal, open it, and run this command below, but while doing this the usb flash drive should be already pugged in to OTG usb cable the command:
su
echo 1 > /sys/bus/usb/devices/1-1/bConfigurationValue
