Blackberry

1. Turn wireless mode off
2. Go to "Options" menu
3. Go to "SIM card"then press the jogdial to select it
4. Type MEPD (not case sensitive). You will not see text appear on screen while typing
5. It will say "Network active"
6. Press and hold the ALT key (half moon looking key on the lower left side)
7. While holding the ALT key type in MEPE (not case sensitive). You will not see text appear on screen while typing
8. When prompted enter supplied unlock code
9. After entering the code press the jog dial
10. Your phone is unlocked

1. Turn wireless mode off
2. While on the home screen click the "Tools" icon
3. Go to "Options" menu
4. Select "Settings"
5. Go to "SIM card" then press the jogdial to select it. You should see the phone number and the SIM ID number
6. Type MEPP2 (not case sensitive). You will not see text appear on screen while typing.
   
   Press ALT and 2 simultaneously to get number 2.
7. Enter supplied unlock code
8. After entering the code press the jog dial
9. Your phone is unlocked

Unlocking can be done without SIM card inserted

1. Turn wireless mode off
2. While on the home screen click the "Settings" icon
3. Go to "Options" menu
4. Select "Advanced options"
5. Go to "SIM card" then press the jogdial to select it
6. Type MEPP2 . You will not see text appear on screen while typing
   
   Press ALT and 2 simultaneously to get number 2.
7. Enter supplied unlock code
8. After entering the code press the trackball once
9. Your phone is unlocked
   
   If the unlocking code is entered incorrectly the next attempt to unlock the device will be delayed for 10 seconds increments. The number of unlocking attempts is limited. When this number is reached the phone will be permanently blocked.

1. Insert SIM card into the device
2. Power on the phone and turn Wireless Off
3. Go to "Settings" then "Options" menu and select "Advanced options"
4. Go to "SIM card" then press the jogdial to select it
5. Type MEPPD . Please note that you will not see what you type on the screen.
6. Type MEPP2 . You will not see text appear on screen while typing
   
   Press ALT and 2 simultaneously to get number 2.
7. Enter supplied unlock code
8. After entering the code press the trackball once
9. Your phone is unlocked

1. Insert non original SIM card into the device
2. Power on the phone and turn Wireless Off
3. Go to "Settings" then "Advanced options"
4. Go to "SIM card" then press the jogdial to select it
5. Type  MEPP2  while holding Alt, multitap enabled (hold [Alt], type [M] [ER] [OP] [OP] [TY]. Please note that you will not see what you type on the screen.
6. When prompted with "Enter Network MEP code (255 left)" on the screen, enter the 16-digit network unlock code provided for your phone, then press  Enter
7. Pull the battery out of the phone
8. Switch the phone on and the phone will be automatically unlocked
   
   If the unlocking code is entered incorrectly the next attempt to unlock the device will be delayed for 10 seconds increments. The number of unlocking attempts is limited. When this number is reached the phone will be permanently blocked.
   To unblock such phone, it must be taken to a RIM service centre. No outgoing calls including emergency call is possible when the phone is blocked.

Unlocking can be done without SIM card inserted

1. Turn wireless mode off
2. While on the home screen click the "Settings" icon
3. Go to "Options" menu and select "Advanced options"
4. Select "SIM card"
5. Hold the ALT key while typing MEPE . You will not see text appear on screen while typing
6. You should be presented with a prompt "Enter Network MEP Code"
7. Enter supplied unlock code
8. After entering the code press the trackball once
9. Your phone is unlocked
   
   If the unlocking code is entered incorrectly the next attempt to unlock the device will be delayed for 10 seconds increments. The number of unlocking attempts is limited. When this number is reached the phone will be permanently blocked.
   To unblock such phone, it must be taken to a RIM service centre. No outgoing calls including emergency call is possible when the phone is blocked.

1. Turn wireless mode off
2. While on the home screen click the "Settings" icon
3. Go to "Options" menu and select "Advanced options"
4. Select "SIM card"
5. While holding the ALT key type MEPD . You will not see text appear on screen while typing
6. While holding the ALT key type MEPE . You will not see text appear on screen while typing
7. You should be presented with a prompt "Enter Network MEP Code"
8. Enter supplied unlock code
9. After entering the code press the trackball once
10. Your phone is unlocked

Unlocking of these models requires a SIM card inserted (active or inactive)

1. Turn wireless mode off
2. While on the home screen click the "Settings" icon
3. Go to "Options" menu and select "Advanced options"
4. Select "SIM card"
5. Hold the ALT key while typing MEPE . You will not see text appear on screen while typing
6. You should be presented with a prompt "Enter Network MEP Code"
7. Enter supplied unlock code
8. After entering the code press the trackball once
9. Your phone is unlocked

1. Press the "menu" key
2. Scroll and select "Manage connections"
3. Select "Turn all connections off"
4. Press "Escape" to go back to the "Home" screen
5. Go to "Options" menu and select "Advanced options"
6. Select "SIM card"
7. Hold the ALT key while typing MEPD . You will not see text appear on screen while typing. This opens up a personalization menu
8. Hold the ALT key while typing MEP2 . You will not see text appear on screen while typing
   
   Press ALT and 2 simultaneously to get number 2.
9. You should be presented with a prompt "Enter Network MEP Code"
10. Enter supplied unlock code
11. After entering the code press the trackball once
12. Restart your phone and restore connections by following the first two steps
13. Your phone is unlocked

1. Insert any sim card
2. Scroll and select "Manage connections"
3. Select "Turn all connections off"
4. Press "Escape" to go back to the "Home" screen
5. Go to "Options" menu and select "Advanced options"
6. Select "SIM card"
7. Select "Show keyboard"
8. Hold the ALT key while typing MEPD . You will not see text appear on screen while typing. This opens up a personalization menu
9. Hold the ALT key while typing MEP2 . You will not see text appear on screen while typing
   
   Press ALT and 2 simultaneously to get number 2.
10. You should be presented with a prompt "Enter Network MEP Code"
11. Enter supplied unlock code
12. After entering the code press the trackball once
13. Restart your phone and restore connections by following the first two steps
14. Your phone is unlocked

Sidekick / Hiptop

1. Insert a non accepted SIM card and turn on the Sidekick
2. A dialogue screen will prompt you to enter the code:
   
   
   Title: Special Code Required
   Dialog: Enter code to enable SIM
   Box for Code: 1-8 digits
   Options: Enable or Cancel
3. On you having entered the code a dialogue box will come up saying Authenticating code
   
   
   In case you see the ?Waiting for Activation Screen?, hit the Menu key and the letter L key at the same time. The menu key is the top left key. By doing this, the waiting screen will go away and you will be able to make calls. For best results, hold down Menu and the L key until the Waiting for Activation screen disappears.
4. Your Sidekick/Hiptop cell phone is now unlocked

Sierra wireless aircard

1. Insert a non accepted SIM into PC Card and insert card into computer
2. Launch the Communication Manager program. The prompt will display "Incorrect SIM"
   
   
   Note that you must have a generic Communication manager to be able to enter the code. If you you are using communication software from your provider you have to uninstall it and download the one from Sierra website directly.
   
   
3. In the "Please enter special code" field, enter the 8 digit unlock code.
   
   
   If the message does not appear or "No SIM" is displayed, proceed to the HyperTerminal instructions.
   
   
4. Press Send
5. Your Sierra PC card is unlocked

1. With PC card inserted in computer, go to the Start menu>Settings>Control Panel
2. In the Control Panel, double-click on Phone and Modem Options
3. Click the Modems tab and the modems installed on the laptop will be listed
4. Locate the Sierra Wireless AirCard modem, and make note of the COM port in the "Attached To" column
5. Close all Windows and return to the desktop Enter Unlock Code:
   1. With PC card inserted in computer, go to the Start menu>Programs>Accessories>Communications>HyperTerminal Program
   2. In the Connection Description window, enter a name into the Name field and click OK . - Selection of an Icon is not required.
   3. In the Connect To window, leave the Phone Number blank.
   4. In the Connect Using field, select the COM port where the PC card (modem) is connected. Click OK . - Generally COM 1 is selected.
   5. Under Port Settings, select the "Bits per second" field to display 115200. Leave the default values in all of the other fields and click OK .
   6. Type ATE1 and press Enter . - An OK response will return
   7. Type AT+CLCK="PN",0,<8 digit unlock code> and press Enter . - An OK response will return
   8. The PC card is now unlocked.

Option Data Cards

1. With PC card inserted in computer, go to the Start menu>Settings>Control Panel
2. In the Control Panel, double-click on Phone and Modem Options
3. Click the Modems tab and the modems installed on the laptop will be listed
4. Locate the Option modem, and make note of the COM port in the "Attached To" column
5. Close all Windows and return to the desktop
   Enter Unlock Code:
   1. With PC card inserted in computer, go to the Start menu>Programs>Accessories>Communications>HyperTerminal Program
   2. In the Connection Description window, enter a name into the Name field and click OK . - Selection of an Icon is not required.
   3. In the Connect To window, leave the Phone Number blank.
   4. In the Connect Using field, select the COM port where the PC card (modem) is connected. Click OK . - Generally COM 1 is selected.
   5. Under Port Settings, select the "Bits per second" field to display 115200. Leave the default values in all of the other fields and click OK .
   6. Type ATE1 and press Enter . - An OK response will return
   7. Type AT+CLCK="PN",0,<8 digit unlock code> and press Enter . - An OK response will return
   8. The PC card is now unlocked.

1. To verify card is unlocked, type 'ati'+clck="pn",2' and press Enter.
2. If the command returns '0', then the card is unlocked.

Samsung

1. Power on without SIM card
2. Type in **CODE# where CODE is the unlock code 

1. Power on with a non accepted SIM card
2. Type in #7465625*638*CODE# (or *#7465625*638*CODE# ) where CODE is the unlock code
3. Press the SEND key, display should read, "Personalization Cancelled"

1. Power on without SIM card
2. Type in #7465625*638*CODE# (or *#7465625*638*CODE# ) where CODE is the unlock code
3. Press the SEND key, display should read, "Personalization Cancelled"

1. Power on without SIM card
2. Phone will ask for "Password"
3. Enter the unlock code 
   
   Note: In some instances the phone won't ask for "Password" - enter the unlock code anyway

1. Power on with a non accepted SIM card
2. Type in #0111*CODE# where CODE is the unlock code 
3. Press the SEND key, display should read, "Personalization Cancelled"

Power on with incorrect (non accepted) SIM card, when asked to enter network pin enter provided unlock code.

No need to hold other keys while entering code

Quickfire

1. Power off device and remove AT&T SIM card
2. Insert SIM Card from another wireless carrier
3. Power on the handset
4. With the device in Portrait mode, tap the phone icon
5. Dial *#865625# to enter the unlock code menu
6. Display now says "TO UNLOCK SIM ENTER UNLOCK CODE CORRECTLY. FIVE (5) TIMES WILL RESULT IN THE PERMANENT LOCK OF YOUR PHONE CONTINUE?"
7. Enter the 15-digit code given to you by, then tap DONE . If you entered an incorrect code, you will see the following message: "INCORRECT LOCK CODE" "INCORRECT UNLOCK CODE TRY AGAIN"
8. If the code is correct, tap on DONE . The handset is now successfully unlocked

HP iPAQ

1. Power on phone with a non-original SIM card inserted
2. Wait approximately 30 seconds until the SimLock application appears (the delay may be longer if the user has previously attempted to unlock with the wrong code)
3. Enter your unlock code when prompted by the phone
4. Press OK
5. If the unlock code is correct, a success dialog will appear. Press OK
   
   
   If the unlock code is incorrect, an error dialog will appear. After pressing OK , the user has to re-enter the unlock code after a delay (see above in Device Specific Information)

1. On the Today screen, tap Start > Settings
2. Tap the Phone band icon and choose " North America" or "Europe" or "Asia" phone band depending on where you are
3. Tap the keyboard icon to open the virtual keyboard
4. Tap Shift and then Ctl key to enable the keys
5. Tap the blank area below the band selection box to open the unlock tool
6. Tap Shift and then Ctl to disable the keys
7. Enter the unlock code, and tap OK when done
8. Wait for the device to validate the unlock code (about five seconds). You will see one of the following screens:
   "Unlock successful"
   The device is now unlocked and should continue booting.
   
   "Unlock failed due to incorrect code"
   The user has three attempts to unlock. After three attempts, the device will refuse any more unlocking attempts. Perform a soft reset to reset the counter to perform additional unlocking attempts.
   
   "Your phone is not ready for unlocking"
   This error message displays when the user tries to unlock when the phone application (not the device) is not in a steady state. It takes 30 seconds after powering on the phone for it to reach a steady state.

Palm One

1. Power on phone with a non-original SIM card inserted
2. Turn wireless off
3. It will then say "Your phone cannot be used with this SIM card" ("SIM not allowed" in case of Treo 650). Click OK
4. Click dialpad tab, bottom of the screen far left
5. Using stylus enter *#*#unlock code# and press the green button
6. It will say "The sim lock has been removed from your phone"
7. Your phone is unlocked

1. Power on phone with a non-original SIM card inserted
2. Turn wireless off
3. Using onscreen keyboard enter the supplied unlock code
4. Your phone is unlocked

Sony Ericsson

1. Power on your phone without SIM card or with Original one
2. Press joystick left once
3. Press * twice
4. Press joystick left once
5. Phone will say "Personalize with MNC2" or "Personalized with MNC3"
6. Wait approximately 5 seconds
7. The display will indicate "Network" and a picture of a closed padlock
8. Press Select
9. The display will indicate "Unlock (Net) 5" and "NCK:"
10. You can now enter the supplied unlock code
11. Phone will display "Network unlocked" and then "Insert SIM" message
12. Your phone is unlocked
    
    If your phone has a jogdial press it down instead of joystick left.

LG

Model : LG GW520

1. power phone ON with original SIM
2. type 2945#*71001# to enter unlock menu
3. Enter the unlocking code 

Model : LG Viewty / GW300

1. Power on your LG Viewty GW300 with the original SIM card in.
2. Enter 2945#*700#
3. A menu will pop up, select SIM Unlock.
4. Enter your unlock code and hit OK. (Entering multiple incorrect unlock codes may permanently lock your phone!)
5. Your LG Viewty GW300 may automatically reboot and should now be unlocked!

Model: LG BL20

1. insert original sim card and turn phone on.
2. Enter 2945#*20#
3. A menu will pop up, select sim unlock
4. Enter your unlock code and press ok

Model: LG BL40

1. insert original sim card and turn phone on.
2. Enter 2945#*40#
3. A menu will pop up, select sim unlock
4. Enter your unlock code and press ok

Model : LG C1100 

- First you must put in an allowed simcard, then :
- type 2945#*1201#.
- Goto Menu/Settings/Security Settings/Sim Locks
- Select 'Locktype'/Deactivate and Enter the code.

Model : LG GT505

- power phone ON without SIM
- type 2945#*505# to enter unlock menu
- enter unlock code

Model : LG GB250

- power phone ON without SIM
- type 2945#*71001# to enter unlock menu
- enter unlock code

Model : LG GW520

- power phone ON without SIM
- type 2945#*71001# to enter unlock menu
- enter unlock code !

Model : LG KB770

1. Power on phone with original SIM card
2. Type 2945*#770#
3. In the menu that appears select Sim unlock
4. Enter supplied unlock code
5. Your phone is unlocked 

Model : LG KP170

1 - Switch ON your phone with a T Mobile Sim inserted 
2 - Press telephone icon at bottom of screen to bring up the phone keypad
3 - Then compose : 2945#*170#
4 - A menu will pop up, select Unlock Usim
5 - Then Select Network Lock
6 - Enter your unlock code and press ok (you only have 10 attempts)
7 - The phone will then reboot and the unlock is complete.

Model: LG CU-515

1.Put a SP-locked sim in the phone, phone say invalid smart chip
2.Now enter *#865625# then select option 1 and then again select 1 and enter your 16 digits code
Phone will be unlocked!

Model : LG TE365

1. Power on phone with original SIM card
2. Type *#0001#code#
3. Your phone is unlocked 

Model : LG CT810 (Incite)

1. Power on phone with original SIM card
2. Type 2945#*810#
3. In the menu that appears select Sim unlock
4. Enter supplied unlock code
5. Your phone is unlocked 

Model : LG CB630 (Invision)

1) Insert an AT&T or Cingular SIM in the phone; it does not have to be an active SIM
2) Dial this into the LG Incite's phone menu
3) *#865625#
4) Press CALL.
5) It should you ask you for the code.

Model : LG U830 

1. Have your unlock code handy.
2. InserI a 3 SIM card in the phone and switch power on.
3. Enter the following key sequence 94471877#*#
4. Select the option ‘unlock USIM’.
5. Select the option ‘network unlock’
6. Enter your unlock code.
7. Handset should now display ‘network unlock success’.
8. Handset will now restart.

Model : LG KF300

1. Put wrong simcard
2. Phone alert 'insert correct card'
3. Right under in screen you see deblokkeren (dutch)
4. Click on it en click 'Network lock off'
5. Insert code!

Model : LG KP100

1. Insert original sim card and turn phone on.
2. Enter 2945#*20001#
3. Sim unlock mode pop up .
4. Enter your unlock code and press ok
5. The phone will then reboot and the unlock is complete.

Model : LG KF755d 

1. Insert original sim card and turn phone on
2. Press telephone icon at bottom of screen to bring up the phone keypad
3. Enter 2945#*755# (or 2945#*750# if 1st option doesn't work)
4. A menu will pop up, select sim unlock
5. Enter your unlock code and press ok
6. The phone will then reboot and the unlock is complete

Model : LG Incite CT-810

- Insert a SIM from the original network 
- 2945#*810# will show the unlock menu
- Enter unlock code

Model : LG KP265

1 - Use Original SIM to switch ON the Phone.
2 - Compose 2945#*265#
3 - Then go to MENU > SETTINGS > SECURITY
4 - Then go to SIM LOCKS > NETWORK > DESACTIVATE
5 - ENTER NCK (your Unlock Code)

Model : LG ME550

1 - Use Original SIM to switch ON the Phone.
2 - Compose 2945#*71101#. 
3 - Menu will appear, go to settings > security > sim lock
4 - Enter NCK ( Unlock Code ) and press OK.

Model : LG TU915

- Switch ON your phone with an allowed SIM Card
- Then compose: 2945#*9701#
- It should you ask you for the code. 

OR

Enter *#865625# then enter your 16 digits code.

Model : LG KF390 and KF390q

1) Insert a SIM Card from the network the mobile is locked to and turn it on
2) Insert the following sequence *#865625#;
3) Select 'Unlock USIM'
4) Select 'Network Lock'
5) Insert the unlock code
6) Select ok. Done!

Model : LG G910 :

1. Insert an invalid simcard and turn phone on.
2. Insert PIN
3. Phone says \"Invalid sim card\"
4. Select \"Emergency calls\"
5. Enter 2945#*71001#
6. Sim unlock mode pop up
7. Select netlock
8. Enter your 16-digit unlock code and press ok
9. The phone will then reboot and the unlock is complete.

Model : LG Prada, KE850 :

1. Switch the telephone on with Original SIM card inside.
2. Enter SIM pin if required.
3. Enter 2945#*8501# and press the call button (middle button bottom of the screen).
4. SIM unlock mode will appear on screen.
5. Enter unlock code
6. Select Reboot.
7. Switch phone off, and then turn back on again. Phone is now unlocked

Model : LG CT810

1. insert original sim card and turn phone on.
2. Enter 2945#*810#
3. A menu will pop up, select sim unlock
4. Enter your unlock code and press ok
5. The phone will then reboot and the unlock is complete.

Model : LG VU CU915 & CU920 (Vu)

1. Put a AT&T or Cingular SIM in the phone; it does not have to be an active SIM
2. Enter *#865625# then the 16 digit unlock code
3. Device should say: Network Lock Deactivated
4. Phone may automatically reboot and is now unlocked !

Model : LG U310 

1. Turn ON the phone without SIM Card :
2. Enter 815118#*# 
3. Sim unlock mode pop up .
4. Enter your unlock code and press ok
5. The phone will then reboot and the unlock is complete.

Model : LG iQ

1 - Switch ON mobile with a not Allowed SIM Card,
2 - If phone ask, enter the PIN code of your SIM Card
3 - Now phone will ask you to enter the unlocking code !

Model : LG KC550, KS360, KP230, KP500, KP501, KP270, KM900, KM500, GT810, GC900, GT360

1. Insert original sim card and turn phone on.
2. Enter 2945#*71001#
3. Sim unlock mode pop up .
4. Enter your unlock code and press ok
5. The phone will then reboot and the unlock is complete.

Model : LG KF700 (aka LG Virgo)

1. insert original sim card and turn phone on.
2. Enter 2945#*700#
3. A menu will pop up, select sim unlock
4. Enter your unlock code and press ok
5. The phone will then reboot and the unlock is complete.

Model : LG KC910, KF910 (aka LG Prada)

1. insert original sim card and turn phone on.
2. Enter 2945#*910#
3. A menu will pop up, select sim unlock
4. Enter your unlock code and press ok
5. The phone will then reboot and the unlock is complete.

Model : LG KF750 

1. insert original sim card and turn phone on.
2. Enter 2945#*750#
3. A menu will pop up, select sim unlock
4. Enter your unlock code and press ok
5. The phone will then reboot and the unlock is complete.

Model : LG KF600

1. Insert original sim card and turn phone on.
2. Enter 2945#*71001#
3. Sim unlock mode pop up .
4. Enter your unlock code and press ok
5. The phone will then reboot and the unlock is complete.

Model : LG U970 

1. Insert original sim card and turn phone on.
2. Enter 2945#*970#
3. A menu will pop up, select Unlock Usim.
4. Select Network Lock.
5. Enter the unlock code and ok.

Model : LG U300

1 - Switch ON the phone with Accepted SIM Card (from Original Network Provider)
2 - Enter Code : 815118#*# 
3 - then phone will ask to enter NCK

Model : LG C2000:

1) Insert non-Cingular SIM card
2) Power on the handset - phone will display "phone restricted"
3) Select "Cancel" - phone will display "phone restriction code"
4) Enter the SIM Unlock code
5) Select "OK" - the handset is now successfully unlocked

Model : LG KU990 Viewty & KE990

1. insert original sim card and turn phone on.
2. Press telephone icon at bottom of screen to bring up the phone keypad
3. Enter 2945#*990#
4. A menu will pop up, select sim unlock
5. Enter your unlock code and press ok
6. The phone will then reboot and the unlock is complete.

or

1. Without sim phone power "ON" 
2. Hold "camera" + "lock" button 
3. You will get key pad write 2945#*990#. 
4. Press active code. 
5. Your cellphone will be restart
6. Turn off cellphone and insert your sim (internation sim) 
7. Enjoy your unlocked phone !

Model : LG TU720 - LG CU720 (Shine)

1) Power ON your phone with not allowed sim card (one that didn't come with the phone)
2) Type *#865625#
3) the phone will ask you to input the unlock code twice, just input the unlock code
4) Device is now unlocked

Model : LG CE110

1) Put a non AT&T or Cingular SIM in the phone;
2) The phone display: Invalid Smart Chip 
3) Power on handset 
4) Select "Cancel" - phone displays "phone restriction code" 
5) Enter the unlock code (8 digit code*) 
6) Select "OK’" - the handset is successfully unlocked 

Model : LG GR500 (Xenon)

1) Insert not-allowed SIM card
2) Power on the handset- phone will display "phone restricted"
3) Select "Cancel" - phone will display "phone restriction code"
4) Enter the SIM unlock code
5) Select "OK" - the handset is now successfully unlocked

or 

1. insert original sim card and turn phone on.
2. Enter 2945#*9701#
3. A menu will pop up, select sim unlock
4. Enter your unlock code and press ok
5. The phone will then reboot and the unlock is complete.

or 

After turning on your mobile phone, press: *#865625#
Press Yes to continue.
Enter the 16 digit Subsidy Unlock Code
Enter the 16 digit Subsidy Unlock Code, again.
Device should say: “Network Lock Deactivated”
Phone may automatically reboot

Model : LG CU320

1) Power on the handset
2) In Idle screen, input the special code "277634#*#".
3) Enter the SIM Unlock code
4) Access the submenu "SIM Test" in Phone Test Mode.
5) Input the special code "2945#*#".
6) Access the submenu "SIM Unlock" which is just activated after the special code.
7) Input the 8-digit Unlock code in the "Enter unlock code" input screen.
8) It will be unlocked.

Model : LG CU400 & CU405

1) Insert non-Cingular SIM card"
2) Power on the handset - Phone will display "Invalid SmartChip".
3) Enter 159753#*#
4) Enter the 8 digit SIM Unlock code
5) Select "OK".
6) The handset will be unlocked.

Model : LG CU500

1) Insert non-Cingular SIM card.
2) Power on the handset. Phone will display "Invalid SmartChip"
3) (IF THE PHONE DOES NOT DISPLAY INVALID SMARTCHIP, PLEASE POWER OFF AND ON AGAIN)
4) In Idle screen, enter 159753#*#. Phone will display "Enter NCK, Remaining 5
5) Enter the 8 digit SIM unlock code
6) Select "OK"
7) The handset is now successfully unlocked.

Model : LG CU515, CU575 (Trax)

1) Put a non-Cingular sim in the phone
2) Phone says invalid smart chip
3) Now enter *#865625# then select option 1 and then again select 1
4) Enter your 16 digits code
5) Device should say: Network Lock Deactivated
6) The handset is unlocked.

Model : LG U8150

1 - Switch ON your phone with a NOT Allowed SIM Card,
2 - Compose : 2, 7, 7, 6, 3, 4, #, *, #,
3 - Go to menu "SIM Lock",
4 - Enter the Unlock Code we send to you.

Model : LG U400

1. Insert the network SIM in the handset which has given u the LG U400. 
2. Enter 2945#*88110#. 
3. The phone will then prompt 'Unlock sim'. Press OK. 
4. The phone will then prompt 'Network Unlock'. Press OK. 
5. The phone will then prompt- 'Input Network Control Key'. 

Enter the 8 digit unlocking code. Press OK. If the unlocking code comes with only 7 digits, add a 0 in front of the 7 digit code. If the unlocking code comes with only 6 digits, add 00 in front of the 6 digit code. 

6. It should give you the message Success. 
7. Come back to the main screen and Enter 2945#*88110#. 
8. The phone will then prompt unlock sim. Press OK. 
9. The phone will then prompt Network Unlock/ Lock but if you scroll down you will see a message Enter SP Lock. Enter SP Code. 
10. Then press OK

Model : All other model

1 - Switch ON your phone with an Allowed SIM Card,
2 - Then compose : 

2945#*5101# - (if you have a LG 510w) 
1945#*5101# - (if you have a LG 1200 & B1200) 
2945#*5221# - (if you have a LG 5200 & 52200)
2945#*5301# - (if you have a LG 5300) 
2945#*5401# - (if you have a LG 5400) 
2945#*70001# - (if you have a LG 7020) 
2945#*7101# - (if you have a LG 7100) 
2945#*1201# or 2945#*70001# - (if you have a LG 1100)
2945#*70001# - (if you have a LG7250T)
2945#*2201# - (if you have a LG C2200)
2945#*5301# - (if you have a LG T5100)
2945#*3311# - (if you have a LG C3310)

3 - Go to "Menu" and then to "Settings",
4 - Then select "Security",
5 - To finish select "Network Provider" and select "Desactivate"
6 - Enter the Unlock Code we send to you.

Model : To Classify 

For the next models u must to insert the original SIM:

LG C3100 press 2945#*3101#
LG C3380 press 2945#*7101#
LG F2300 press 2945#*7101#
LG KE260 press 2945#*2601#
LG KE970 press 2945#*9701#
LG KG120 press 2945#*1201#
LG KG220 press 2945#*1201#
LG KG240 press 2945#*3311#
LG KG280 press 2945#*7101#
LG KG290 press 2945#*7101#
LG KG800 press 2945#*7101#
LG KU250 press 2945#*250#
LG KU380 press 2945#*380#

After that will appear an secret menu,go to settings-security- sim lock ,enter NCK and press OK.

For next models insert one SIM ,not the original SIM:
LG KU311 press 815118#*# 
LG KU800 press 82652#*# 
LG L600v press 815118#*# 
LG U8150 press 277634#*# 
LG U8210 press 277634#*# 
LG U8500 press 277634#*# 
LG U400 press 2945#*88110#
LG KC550 press 2945#*71001#
LG KU580 press 2945#*580#
LG KT520 press 2945#*520#
LG KF750 press 2945#*750#
LG KF600 press 2945#*71001#
LG KG275 press 2945#*20001#
LG KU380 press 2945#*380#
LG KU311 press 815118#*#
LG KU800 press 82652#*#
LG L600v press 815118#*#
LG U8150 press 277634#*#
LG U8210 press 277634#*#
LG U8500 press 277634#*#
LG C3100 press 2945#*3101#
LG C3380 press 2945#*7101#
LG F2300 press 2945#*7101#
LG KE260 press 2945#*2601#
LG KG120 press 2945#*1201#
LG KG220 press 2945#*1201#
LG KG240 press 2945#*3311#
LG KG280 press 2945#*7101#
LG KS500 press 2945#*500#
LG KP270 press 2945#*270#
LG KF240 press 2945#*240# or 2945#*2401#
LG KG290 press 2945#*7101#
LG KU250 press 2945#*250#
Enter NCK and press OK.

Motorola

1. Power on phone with a non-original SIM card inserted
2. Enter unlock code when prompted
3. Your phone is unlocked

1. If your phone is on a 3G network enter **057*
2. Then enter the unlock code into the window

1. Press 74663 # [Menu] [Menu] and you will be asked for a subsidy code
2. Enter the code
3. Your phone is now unlocked

1. Switch ON your phone with a not allowed SIM card
2. If phone is asking for NETWORK PIN enter the NETWORK PIN we sent you
3. If phone is asking for SERVICE PROVIDER PIN. Enter the SERVICE PROVIDER PIN we sent you
4. Your phone is now unlocked

1. Power on the phone with the original card in and wait till phone is fully powered on and you have access to menu
2. Type * # * * 3 6 4 # and press green button
3. You will get a error message and after it your will see Engineering menu
4. Click Options
5. Click GSM Test
6. Select Send AT command
7. Now you will see a new window Saying "Send AT Command"
8. Type AT+CLCK="PN",0,"[SERVICE PROVIDER PIN or NETWORK PIN]" and press send
9. If you get Response "0 []" phone is unlocked
10. If you get 1 error, then make sure you have typed the code correct and try the other code

1. Power on the phone with the original card in and wait till phone is fully powered on and you have access to menu
2. Type * # * * 3 6 4 # and press green button
3. You will get a error message and after it your will see Engineering menu
4. Click Options
5. Click GSM Test
6. Select Send AT command
7. Now you will see a new window Saying "Send AT Command"
8. Type AT+CLCK="PP",0,"[SERVICE PROVIDER PIN or NETWORK PIN]" and press send
9. If you get Response "0 []" phone is unlocked
10. If you get 1 error, then make sure you have typed the code correct and try the other code

NEC

1. Power on phone without a SIM card
2. Compose **00012*CODE# where "CODE" is the unlock code
3. Your cell phone is now unlocked

1. Power on phone without a SIM card
2. Compose #7320*CODE# where "CODE" is the unlock code 
3. Your cell phone is now unlocked

1. Power on phone without a SIM card
2. Compose #3210*CODE# where "CODE" is the unlock code
3. Your cell phone is now unlocked

Nokia

1. Power on phone without a SIM card
2. Compose #PW+CODE+1# where "CODE" is the unlock code 
   To get letter P quickly press 3 times the star button ( * )
   To get letter W quickly press 4 times the star button ( * )
   To get sign + quickly press 2 times the star button ( * )
3. You will see a message "SIM Restriction Off"
4. Your cell phone is now unlocked

HTC, Pocket PC, XDA, Qtek, Dopod, i-Mate, XDA, etc

1. Power on phone with a non-original SIM card inserted
2. When prompted, enter unlock code you received
   Attention! Use the onscreen keyboard and make sure that wireless mode is OFF.
3. Your cell phone is now unlocked
   
   
   If you see a message Sim lock. You can still make emergency calls your phone has a blocked counter due to several previous incorrectly entered unlock codes. The only solution in this case is to upgrade phone's ROM which will reset the counter and allow to enter the code.

Pantech

1. Power on phone with a non-original SIM card inserted
2. When prompted enter unlock code 
   Attention! Use the onscreen keyboard and make sure that wireless mode is OFF.
3. Your cell phone is now unlocked
   
   Pantech C150

   1. Turn on phone with existing (original) SIM card
   2. At main menu screen, enter *#865625#
   3. When prompted, enter unlock code