Yamada DVD-2500 region-free hack
Multi-Region Hack
Press Eject button on the remote control to open/eject the disc tray
Press numbers 2 8 1 2 on the remote control, the factory default region code will be displayed on the TV screen.
Press Play button to select the region (please note that we defined digit 9 instead 0 for region free) code
Press Setup button to exit settings
Didn't work, or found a better way? Send us your version.