Redstar DVD-229C region-free hack

Power On the player and Open the tray

Press 3 3 0 8 followed by the required region code, (0 is code free)

Multi-Region Hack 2:

Power On the player and Open the tray

Press 2 1 6 8 and Enter

Enter the required region code, 0 for region free, 1 for region 1, 2 for region 2 and so on.