1. Put on the player with the main power switch, without a disc in the unit.
2. Push setup button once on the remote control.
3. Push the "Vol up" button once then "Vol down" then "Vol up" and finally "Vol down".
4. At top right corner on your TV screen there should now have appeared "ver 2", this means region 2.
5. Now you have to use the left navigation button on the remote, until "ver 255" shows up at top right corner on TV screen.
6. Then push “enter" once.
7. Push "setup" twice or turn off the unit.
If you are unsuccesfull with the above code then it may be worth trying one of the resources below.