This is the Hack and has been confirmed as working
* Open the disc drawer
* Type 9735 on the remote to bring up a hidden menu
* On the region heading press the 'right arrow' button on the remote, now select ' 0 ' to make it multi region, press 'Enter'
* Exit the menu
Thanks to Reece1605 for this hack
Can you let the forum know if it works...or not