Insignia I-PD720 region-free hack

Power on (left side of unit) and press "open" to flip open the disk door before it starts playing

Using the remote (RC-1700A)

1. Press SETUP

2. Navigate to "preferences", but don't select it

3. Press 2 5 2 3 1 5, LEFT, DOWN

A window appears displaying the current region code

4. Press the "10/0" key

5. Exit the hidden menu by pressing SETUP