Hola espero les sirvan :

Es una de las formas que encontre para el K21/K23 y K24 espero que les sirva y si es asi diganlo!

1. Press the Open button on your remote control to open the disc tray.
2. Press the 1 button on your remote control.
3. Then Press the 3 button on your remote control.
4. Then Press the 7 button on your remote control.
5. Then Press the 9 button on your remote control.
6. And finally Press the 0 button on your remote control for Multi-region play back, or 1 for Region 1 Play back, or 2 for Region 2 Play back and so on...
This hack works fine for Daewoo DG-k23 as well.


por favor si les funcionan diganlo gracias