Hyundai DM-350 region-free hack

Power On and Open the disc tray

Press Setup on the remote control

Go to the Custom Setup menu by pressing the Right arrow on the remote control 4 times

Using the remote control press 3 3 3 3

A service menu called Secret Menu 1 should then appear

Select the required region, i.e. 1 for region 1, 2 for region 2 and so on, or use 0 for region free

Press Setup on the remote to exit the menu