Cyberhome AD-N212 region-free hack
Also works on: AD-N512
Press the Open button on the remote control to open the drive tray
Press the 7 button on the remote
Press the 6 button again on the remote
Press the SEL button on your remote
You will now enter the hidden setup page, and can change the player to any region or set it to region free by entering 13 as the country code
This hack may not work on all versions of firmware. Note that the newer Cyberhome AD-M512 model doesn't appear to support this hack.
Thanks to Katya and Sharon for this information
Didn't work, or found a better way? Send us your version.