How to remove region restriction and make it global (region 0)

Para Convertir el DV642 de LG a multiregion:
1- Enciende el DVD
2- Abre la bandeja de el DVD
3- Presiona el boton "0 (Cero)" 3 veces dejando entre cada vez que presiones el cero 1 segundo de por medio asi 0-0-0 donde el "-"es un espacio de 1 segundo despues preciona el boton 0 para fijar la region a cero para ponerlo en multiregion
y presiona pausa para guardar.

Well first,

Anything you would have to do make a region-free console would void the warranty. If you are not worried about that, there is a way involving installing user created firmware that is modified to remove the region restriction put on your console.

Check this website for more information.

http://digiex.net/downloads/download-center-2-0/xbox-360-content/apps/3133-xbox-360-game-hack-5-2-remove-region-media-protection-360-games.html

Also, keep in mind that whatever done to your system is done at your own risk since it voids the warranty.

Btw, I’m available to help over the phone in case u need at https://www.6ya.com/expert/mike_005777b2fc6bfc30

These are the commands for the DAV-300 but hopefully they are the same for yours...hope it helps.
Region 0 is what you want, but here's all the commands for the 300 which hopefully work on the sc8 as well.

Put your player into "Standby" Mode and enter one of the following commands if
necessary,
: Remote control command Function
: [0] [RETURN] Default Default region code on the player
: [1] [RETURN] Region 1
: [2] [RETURN] Region 2
: [3] [RETURN] Region 3
: [4] [RETURN] Region 4
: [5] [RETURN] Region 5
: [6] [RETURN] Region 6
: [P. MODE] [RETURN] Only play DVD's with the selected region; auto switching
OFF
: [AUDIO] [RETURN] Default Auto switching ON
: [ANGLE] [RETURN] Enable video interference impulses (Macrovision ON)
: [SUBTITLE] [RETURN] Default Disable video interference impulses (Macrovision
OFF)
: [PREV] [RETURN] Enable user operation prohibitions* and access restrictions
: [NEXT] [RETURN] Default Disable user operation prohibitions* and access
restrictions.

1) Power on (with no disc)
2) Wait for msg "No disc"
3) Open trail
4) Push three times number 0 in remote control (i.e.: 0 0 0)
5) A screen appears with the code region factory set, and the
option to set the new region code
6) Press 0 (zero)
7) Press Pause to confirm
8) Close trail
9) Turn off

Hi,you can not play all DVDs unless you have a ALL CODE DVD player..
Here is the detailed info..
Regards and thanks for rating me.
-----
DVD region codes are a DRM technique designed to allow motion picture studios to
control aspects of a release, including content, release date, and price,
according to the region. DVD video discs may be encoded with a region code
restricting the area of the world in which they can be played.
It is therefore this US Association that is responsible for the RPC system that
effectively divides the world into six regions for the purposes of controlling
and manipulating distribution within the global DVD market.
There are six different official regions and two informal variations.[citation
needed] DVD discs may use one code, a combination of codes (Multi-Region), most
codes (Region 0) or every code/no codes (Region All). The commercial DVD player
specification requires that a player to be sold in a given place not play discs
encoded for a different region; however, region-free DVD players are also
commercially available.In addition, many DVD players can be modified to be
region-free, allowing playback of all discs. Region code Area 0 Informal term meaning "worldwide". Region 0 is not an official setting; discs that bear the region 0 symbol either have no flag set or have region 1-6 flags set. 1 United States, Canada, Bermuda, U.S. territories 2 Europe (except Russia, Ukraine, and Belarus), Middle East, Egypt, Japan, South Africa, Swaziland, Lesotho, Greenland 3 Southeast Asia, South Korea, Republic of China (Taiwan), Hong Kong, Macau 4 Mexico, Central America, South America, Australia, New Zealand, Oceania 5 Afghanistan, Ukraine, Belarus, Russia, Africa (except Egypt, South Africa, Swaziland, and Lesotho), Central and South Asia, Mongolia, North Korea 6 People's Republic of China, Hong Kong 7 Reserved for future use (found in use on protected screener copies of MPAA-related DVDs and "media copies" of pre-releases in Asia) 8 International venues such as aircraft, cruise ships, etc. ALL Region ALL discs have all 8 flags set, allowing the disc to be played in any locale on any player.

Put your player into „Standby“ Mode and enter one of the following commands if necessary:

Remote control command Function
[0] [RETURN] Default Default region code on the player
[1] [RETURN] Region 1
[2] [RETURN] Region 2
[3] [RETURN] Region 3
[4] [RETURN] Region 4
[5] [RETURN] Region 5
[6] [RETURN] Region 6
[P. MODE] [RETURN] Only play DVDs with the selected region; auto switching OFF
[AUDIO] [RETURN] Default Auto switching ON
[ANGLE] [RETURN] Enable video interference impulses (Macrovision ON)
[SUBTITLE] [RETURN] Default Disable video interference impulses (Macrovision OFF)
[PREV] [RETURN] Enable user operation prohibitions* and access restrictions
[NEXT] [RETURN] Default Disable user operation prohibitions* and access restrictions

* The DVD can no longer prohibit you from using the fast-forward, chapter change or Audio-/Subtitle-/Angle switch. You can no longer be forced to watch intros. Just press [TITLE] or [DVD MENU] and select PLAY.

DVD video discs may be encoded with a region code restricting the area of the world in which they can be played. Discs without region coding are called all region or region 0 discs.
The commercial DVD player specification requires that a player to be sold in a given place not play discs encoded for a different region (region 0 discs are not restricted). The purpose of this is to allow motion picture studios to control aspects of a release, including content, release date, and, especially, price, according to the region. Many DVD players are or can be modified to be region-free, allowing playback of all discs.Region 1 Players/DVDs include: Canada, United States, US Territories, and Bermuda. See below:
Region code Area 0 Informal term meaning "worldwide". Region 0 is not an official setting; discs that bear the region 0 symbol either have no flag set or have region 1–6 flags set. 1 Canada, United States; U.S. territories; Bermuda 2 Western and Central Europe; Western Asia; Egypt, Japan, South Africa, Swaziland; United Kingdom, Turkey, French overseas territories 3 Southeast Asia; South Korea; Taiwan; Hong Kong 4 Australia; Oceania; Central and South America; Caribbean; Mexico 5 Ukraine, Belarus, Russia, Africa, Central and South Asia, Mongolia, North Korea. 6 China, Hong Kong 7 Reserved for future use (found in use on protected screener copies of MPAA-related DVDs and "media copies" of pre-releases in Asia) 8 International venues such as aircraft, cruise ships, etc.[1] ALL Region ALL discs have all 8 flags set, allowing the disc to be played in any locale on any player.

Most company and people who have the codes sell them, so i suggest u google for DVD REGIONAL CODES, some will give u a thirty day trial version, but in most cases u have to buy the software

Well DVD's from regon 3 are from these parts of the world:
CAMBODIA
HONG KONG
INDONESIA
KOREA
MALAYSIA
PHILIPPINES
SINGAPORE
TAIWAN
THAILAND
VIET NAM
And a few others in that area

Region 1 is what we use for DVD's in the USA

From Wikipedia, the free encyclopedia
DVD region code
"Region 1–8" redirects here. For the ITU regions, see International Telecommunication Union region.

DVD RegionsDVD video discs may be encoded with a region code restricting the area of the world in which they can be played. Discs without region coding are called all region or region 0 discs.
The commercial DVD player specification requires that a player to be sold in a given place not play discs encoded for a different region (region 0 discs are not restricted). The purpose of this is to allow motion picture studios to control aspects of a release, including content, release date, and, especially, price, according to the region. Many DVD players are or can be modified to be region-free, allowing playback of all discs.
http://en.wikipedia.org/wiki/DVD_region_code

I looked on a few sites for region codes for your player but they all came up with same answer as this one http://www.videohelp.com/dvdhacks/magnavox-mdv453/3134
there doesnt seem to be any code available for your model to set it to region-0 (region free)

To set the DNV-310/210 to Region 0 (Region Free), on the IR remote press:

OPEN/CLOSE
1
4
7
0
0 - this is where you input the region code.