Make sure there is no disk in the tray.
Switch on the machine.
When the NO DISC message appears on screen press Repeat (not
repeat A-B) on the remote (NB. this must be done before the
message disappears) and type in the numbers 57538 using your
remote .
If it worked, 02, should appear in the top left corner showing the
region your model is currently on.
Before these numbers dissappear press 9 to make it multi region
(or 1 for region 1, 2 for region 2 etc).
Press the Open/Close button on your remote, wait 15 seconds
and then press standby on the remote to turn off the machine.
When you put the player back on,it should be multi region.
If you are unsuccesfull with the above code then it may be worth trying one of the resources below.
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