Unlock NEC DVD players - DVD hack
NEC DHT-200
- Open the disc tray
 - Press 8, 9, 2, 6
 - Press the button for the desired region (0 = codefree)
 - Close the disc tray
 
NEC DHT-300
- Press SETUP
 - Select "Preferences"
 - Select "Password"
 - Enter 0000 as old password, 5425 as new password
 
NEC NDH-80 /NDH-160
- Press SETUP
 - Scroll to lock
 - Press 0 seven times
 
NEC NDP-70
- Press SETUP
 - Press 9, 2, 1, 0
 - Go to "regional code"
 - Press 0 for multi-region
 - Press SELECT
 
NEC NDR-50
- Open the disc tray
 - Press 0, 0, 0, 0, 0, 0, 0
 - Enter desired RC (0 = codefree)
 
NEC NDT-40 / NDV-21 / NDV-22 / NDV-22R / NDV-23 / NDV-24 / NDV-25 / NDV-30 / NDV-31 / NDV-40 / NDV-100
- Turn on the player (without a disc inserted)
 - Press PAUSE on remote
 - Press 3, 1, 4, 1, 5, 9
 - "Code" should be displayed
 - Press the button for the desired RC (0 = codefree)
 - Press PAUSE
 - Turn the player off
 
NEC NDT-41 / NDV-26 / NDV-27 / NDV-29
- Press EJECT
 - Enter 0, 0, 0
 - Enter the region you want (0 = multi-region)
 - Press PAUSE
 
NEC NDRV-60, NDV-1, NDV-32
- no known hacks
 
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