Region code from 1 to 0 on Insignia NS-A2202A portable DVD player??

To change region codes:
Power on, Press open on the DVD player.
On the remote control press the SETUP button,
Press the right key on the remote 3 times,
The preference page will show up, press 9653,
Use the up and down key to select the Region,
Select 0 for all regions.