Daewoo DVD-5700 region-free hack

Press Open/Close (tray open)

Press Setup, Shuffle, Step and Next

You should be able to see the secret menu and scroll down to Debug and the list shows from 1-9. Option 9 is region free/bypass. By default 1 is ticked and will not able to change permanently.

Here is the solution to change the Region code:

Press Open/Close and Setup

Press X, 3 0 1 0 (where X is your choice of Region 1-9)

Press Step, Shuffle and Next

Go to secret menu and check the Region you set. You can change to any Region by following the above steps.