How to enter my Unlock Code on Palmone Treo?
Model : Treo® 600
1 - Switch ON your phone with Allowed SIM Card,
2 - Go to Menu and select "Phone Tool" or "Phone Application"
3 - Type on Virtual Keyboard *#*#CODE#
4 - Select with PEN "Number" and phone will show that's unlocked now !
or
1 - Switch ON your phone with a not Allowed SIM Card,
2 - Enter the Unlock Code we sent to you.
Model : Treo® 650/680
1 - Remove Treo® battery, unplug cable
2 - Insert incorrect SIM card (1 the phone does not accept)
3 - Power on your Treo, “Sim not allowed” is displayed, click “ok”
4 - Go to the dial pad, and use the stylus to enter code *#*#CODE#. Then press “Dial”
5 - Phone will reset and display “sim lock removed”
Ensure you enter the codes in this manner *#*#CODE# (e.g. *#*#12345678#)
Troubleshooting:
Error Message: "The SIM Lock has NOT been removed from this phone"
Solution 1: Please make sure you are entering the correct code and enter it using this method *#*#CODE# dial
Solution 2: If the phone says that the SIM lock has not been removed, ensure that the phone radio (wireless mode) is on.
Model : Treo 750
1 - Power on handset With Non accepted Sim card
2 - Enter the unlock code
3 - Your phone will be unlocked.
Note = If you get invalid code, Soft reset the device and make sure battery is fully charge, and try above procedure again.

How to enter my Unlock Code on LG Electronics ?
Model : LG KU990 Viewty
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.

Model : LG VU CU920
1) Power ON your phone with an accepted SIM card
2. Press telephone icon at bottom of screen to bring up the phone keypad
2) Type *#865625# Warning message will appear, press ok
3. enter nck code provided by Gsmfather server, you have to re-enter code again.
3) Press OK
4) Device is now unlocked

Model : LG TU720 CU720 And All Shine SERIES
1) Power ON your phone with an accepted SIM card
2) Type *#865625#UNLOCK CODE
3) Press OK
4) Device is now unlocked

Model : LG CU400
1 - Insert SIM Card from a unsupported network provider,
2 - Power on the handset,
3 - Phone will display "Invalid SmartChip"
4 - In Idle screen, enter : 159753#*#
5 - Phone will display "Enter NCK, Remaining 5"
6 - Enter the 8 digit SIM Unlock code
7 - Select "OK"
8 - The handset is now successfully unlocked

Model : LG CU515
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 CU915
1) Power ON your phone with an accepted SIM card
2) Type *#865625#UNLOCK CODE
3) Press OK
4) Device is now 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.

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Model : LG U400
1. Insert the Accepted Sim Card.
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 : 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 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 provided by Gsmfather.com server and press ok
5. The phone will then reboot and the unlock is complete.

Model : LG KT520
1. Switch ON your phone with Accepted SIM card
2. Then compose: 2945#*520#
3. Security Menu pops up, choose Unlock USIM
4. Choose Network Lock, enter unlock code given by Gsmfather.com Server
5. Enjoy unlocked phone

Model : LG KU580
1. Switch ON your phone with Accepted SIM card
2. Then compose: 2945#*580#
3. Security Menu pops up, choose Unlock USIM
4. Choose Network Lock, enter unlock code given by Gsmfather.com Server

Model : LG KC550
1. Insert original sim card and turn phone on. (Sim from the operator which locked it)
2. Enter 2945#*71001#
3. Sim unlock mode pop up .
4. Enter your unlock code given by GsmFather.com server and press ok
5. The phone will then reboot and your phone will be unlocked.

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 815