Default Enable OTG Features

Hello!I am new user in xda and i dont know its right place or notand also sorry for my bad englishHow can i enable/add otg support to my device?My device is an unknown device that uses in just Turkish schools named VP10.I get rid of the the restrictions.They gave us the tablet with a keyboard,we can use it and i think that its possible to use otg features on this device, i bought an otg cable but i cant connect my flash disk neither my external hard disk.i can not gave the hardware info because of this
To prevent spam on the XDA forums, ALL new users prevented from posting outside links in their messages. After approximately 10 posts, you will be able to post outside links. Thank you for understanding!
its android version is İCS and uses ARMv7.İt rooted.


PS:İf you want , i'll give you the boot.img file.
Edit:When i used Usb host diagnostics it had said everything yes but when when i tried to open my usb from a file manager it says empty