Mustek DVD V520

Turn DVD on. Open the tray; do not put a disc inside. Press SETUP on the remote
control. From the menu, choose PARENTAL CONTROL with the arrows on the
remote. Once is highlighted press OK on the remote. On the PARENTAL CONTROL
menu, choose DEFAULTS, and then highlight RESET (do not press OK at this
point). While RESET is highlighted, enter with the remote control the following
codes:
5270 for Region free
After entering the code you want, if it was properly entered you will see the
words: REGION: FREE Then Press OK on the remote. You will then see a
PASSWORD VERIFY screen, and enter 0000, end then press OK. Finally, press
SETUP to exit.
Daewoo DV-115
Remove any discs, Press Open/Close button on the front of your DVD (Open lid)
and Press 8926. Wait for five seconds, Press 0, Wait for 15 seconds. Press
Open/Close button on the front of your DVD (Close lid)
Daewoo DVD-5700
Using the remote sequence: Open/close (tray open), Set-up, Shuffle, Step, Next.
You should be able to see the secret menu and scroll down to DEBUG and the list
shows from 1-9 (which is regions). Option 9 is region free/bypass.
Daewoo DVG-3000N
Code 1
Push on the remote, STOP, STOP, SETUP, >>, ||, SELECT REGION.
Code 2
With the player turned on and no cd, push (on the remote) "set-up, ,
||"
Code 3
Put in any DVD, when "WRONG REGION" appears, press the 'TITLE' button on
remote or player.
Daewoo DVG-4000S
EJECT, SETUP, STOP, I>I (NEXT) "FACTORY CONTROL PAGE" Menu
will appear on the Screen. MOVE to REGION CODE with DIRECTION Button in the
Remote Control and press PLAY. Press SETUP.
Daewoo DVG-5000D
Turn On, Press Open, Press Set-up, with remote, don't close the DVD plate in the
whole process. Press Play on the remote. Choose TV Type in the menu with
remote. Press Stop in the player (No remote). Press |< (Prev) in the player. Press
>| (Next) in the player. Region ID Menu Shows. Select the region (with remote)
or Bypass. When in region desired press Play. Press Setup with remote