Region codes for Samsung ht z110
1. Disconnect your player from its main power source for 30seconds
2.Reconnect your player to its power source
3.Press the power on button on your remote control
4.Press the Enter button on your remote control
5.Press 8,4,2,6 and 9
6.Press Enter on remote control and the your player will place itself on standby mode
7.press the power on button on remote control.
your player is multi region.