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Secret codes for LG GT540 Optimus

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LG secret codes

*#06# - IMEI (International Mobile Equipment Identity) number
*#07# IMEI and SW number (on very old LGs)
*8375# Software version (on B1200)
*6861# Recount checksum (on B1200)
#+powerON then 668 Factory test (on B1200)
8060#* - works on very old LGs
*789# then "Send" button ? works on very old LGs
9270#* - (works on very old LGs)
9278#* - (works on very old LGs)

Secret / Service menu codes
3845#*XXXX# Secret menu code for newer LGs. Write the numbers from the phone name instead of XXXX. (Ex.: P920: 3845#*920# E730: 3845#*730#)
2945#*# Secret menu (informations, tests, factory reset...) It works on most of the LG phones without SIM card
1809#*code# Service menu, code = phone name (For example: 1809#*500# for KP500; 1809#*360# for KS360 etc..)
1809#*500# Secret menu for KP500 / KP501 / KP502
1809#*900# Secret menu for KM900
2945#(then hold *) Secret menu for very old LGs
*+powerON then 668 Service menu for LG B1200
*+powerON then 159 Service menu for LG B1300
277634#*# or *277634#*# Service menu code for U8110 and U8120 and U900 and KU800 etc...
47328545454# Service menu code for U8130 and U8138
49857465454# or 492662464663# Service menu code for U8180
637664#*# Service menu code for U8330
*6*41*12## Service menu code for U8360
525252#*# Service menu code for U8380
885508428679#*# Service menu code for U8550
hold 2 and 5 then power ON Service menu code for U880
142358#*# Service menu code for U890 and U880
082065#*# Service menu code for U900
1945#*5101# Secret menu for older LGs
2945#*5101# Secret menu for older LGs
1945#*70001# Secret menu for older LGs
2947#* Secret menu for very old LGs
3845#*920# Secret menu for LG P920 Optimus 3D

Other codes
*854#46 Engineer menu
4568*0#96 Engineer-menu
*748#96 Debug menu
2945#*71012# -Secret menu code?

General procedure #1

Insert a SIM card in phone which is not accepted.
You may have to select "unlock"
The LG phone will ask for the NCK code.
General procedure #2

Turn on phone with an accepted (allowed) SIM card. (Or try without SIM card.)
Enter this code: 2945#*code# or 1945#*code# where "code" is the numbers from the name of the phone (sometimes add 1). For example: if You have C2200 then the code is 2200 or 2201, so the complete code is: 2945#*2201# (or 2945#*2200#) if You have a C3310, the code is: 2945#*3311#. Please note nothing will happen after entering the code, except a new menu will appear in Settings>Security>network provider.
Go to "Menu" -> "Settings" -> "Security" -> "Network Provider" then select "Deactivate".
Now enter NCK code, then press OK.
If the right NCK was entered, the phone is unlocked.
1200 510w B1200 C1100 C1200 C2200 C3100 C3310 C3380 F1200 F2300 F7250 G5200 G5300 G5400 G7020 G7100 GB115 KE260 KG120 KG220 KG240 KG280 KG290 KG800 KP265 KU250 KU380 ME550 T5100 W5200 W7020

1. Turn ON phone with SIM card which is accepted.
2. Now enter this code:
C1200 ; B1200 ; F1200 : 1945#*5101# or 2945#*1201#
510w : 2945#*5101#
G5200 ; W5200 ; 5220 : 2945#*5221#
G5300 ; S5300 ; T5100 : 2945#*5301#
G5400 : 2945#*5401#
G7020; W7020; F7250 : 2945#*70001#
G7100; C3380; F2300; KG280; KG290; KG800 : 2945#*7101#
C1100 : 2945#*1201# or 2945#*70001#
C2200 : 2945#*2201#
C3100 : 2945#*3101#
C3310 : 2945#*3311#
KE260 : 2945#*2601#
KG120, KG220 : 2945#*1201#
KG240 : 2945#*3311#
KP265 : 2945#*265#
KU250 : 2945#*250#
KU380 : 2945#*380#
ME550 : 2945#*71101#
GB115 : 2945#*20001#
3. (After entering the code nothing will happen.) Now go to "Menu" -> "Settings" -> "Security settings" -> "SIM Locks" then select "Deactivate".
4. Now enter NCK code, then press OK.
5. Phone is unlocked now.

CU515 G910 GT500 GT505 KB770 U310

1. Power ON phone without SIM card.
2. Enter this code to go to unlock menu:

GT505 : 2945#*505#
GT500 : 2945#*500#
KB770 : 2945#*770#
CU515 : *#865625#
G910 : 2945#*71001#
U310 : 815118#*#
3. Select Unlock USIM, then select Network Lock then enter NCK.
4. Phone is unlocked.

CB630 CT810 CU915 CU920 GR500 KC910 KG120 KE850 KE970 KF390 KF700 KF750 KF755 KF910 KP100 KP170 KU990 KE990 TU915 U300 U400 U830 U970

1. Turno ON phone with a SIM card which is accepted.
2. Enter this code to go to the unlock menu:

KP170 : 2945#*170#
CT810 : 2945#*810#
U830 : 94471877#*#
KP100 : 2945#*20001#
KF750 ; KF755 : 2945#*755# or 2945#*750#
TU915 : 2945#*9701# or *#865625#
KF390 ; CU915 ; CU920 : *#865625#
KE850 : 2945#*8501# (then press "CALL" button)
KE970 : 2945#*9701#
KF700 : 2945#*700#
KC910 ; KF910 : 2945#*910#
U970 : 2945#*970#
U300 : 815118#*#
KU990 ; KE990 : 2945#*990# or 3845#*990#
GR500 : 2945#*9701# or *#865625#
U400 : 2945#*88110#
CB630 : *#865625# (then press the "CALL" button)
KG120 : 2945#*1201#
3. You may select "unlock SIM"
4. Enter NCK when asked. Phone will say Correct unlock code entered...
5. Reboot phone.
5. Phone is unlocked.

C3100 C3380 CU400 CU405 CU500 CU515 CU575 F2300 U400 U8110 U8120 U8130 U8138 U8150 U8210 U8330 U8360 U8380 U8500 KC550 KG120 KG220 KG240 KG275 KG280 KG290 KE260 KF240 KT520 KS500 KP270 KU311 KU380 KU580 KU800 L600v TU720 CU720 U880

1. Power ON phone witha SIM card which is not accepted.
2. Enter this code to go to unlock menu:

CU400 ; CU405 ; CU500 : 159753#*#
CU515 ; CU575 : *#865625#
U8110 U8120 U8150 ; U8210 ; U8500 : 277634#*#
U8130 ; U8138 : 47328545454#
U8330 : 637664#*#
U8360 : *6*41*12##
U8380 : 525252#*#
U8180 : 49857465454# or 492662464663#
U400 : 2945#*88110#
KU311 ; L600v : 815118#*#
KU800 : 82652#*#
KC550 : 2945#*71001#
KU580 : 2945#*580#
KT520 : 2945#*520#
KF750 : 2945#*750#
KG275 : 2945#*20001#
KU380 : 2945#*380#
C3100 : 2945#*3101#
C3380; F2300 ; KG280 ; KG290 : 2945#*7101#
KE260 : 2945#*2601#
KG120 ; KG220 : 2945#*1201#
KG240 : 2945#*3311#
KS500 : 2945#*500#
KP270 : 2945#*270#
KF240 : 2945#*240# or 2945#*2401#
KU250 : 2945#*250#
TU720 ; CU720 : *#865625#
U880 : 142358#*#
3. Select SIM unlock, then enter NCK.
4. The phone is now successfully unlocked.

KF300 C2000 CE110 GR500

Insert a SIM card which is not accepted by phone.
Turn ON phone. Phon will alert "Insert correct SIM card" or "Phone restricted" or "Invalid Smart Chip" etc...
Now press "Unlock" or "Cancel".
Click on item "Network lock".
Enter NCK code.
Now phone is unlocked.
KU990 KE990

Turn on phone without SIM
Press and hold the "camera" button and the "lock" button to access the keypad.
Enter 2945#*990#
Unlock menu will appear, select unlock SIM.
Enter NCK when asked then press OK.
Phone will be restart.
Now the phone is unlocked.
KF600

Turn ON phone with SIM which is not accepted,
Press "Unlock" button
Phone will ask "Enter password"
Enter the 8-digit NCK code, then press "OK"
"Correct SIM lock password entered..." will appear.
Now the phone is unlocked.
KF600

Turn ON phone with SIM card which is accepted.
Press 2945#*71001# then phone will ask "Enter password".
Enter the 8-digit NCK code.
Now the phone is unlocked.
KM900

Turn ON phone without SIM card.
Press 2945#*71001# then select "Network Lock".
Enter the 16-digit NCK code.
Now the phone is unlocked.
GB250 GD330 GW520

Turn ON phone without SIM.
Press 2945#*71001# then a menu appear.
Select "Unlock SIM"
Then select "Network Lock", phone will warn You that NCK could be entered 10 times. Press "Yes"
Enter 8-digit NCK code. Then press OK.
Now the phone is unlocked.
GC900 GT360 GT810 KC550 KP230 KP270 KP500 KP501 KP502 KM500 KS360

Turn ON phone with SIM card which is accepted. (Or without SIM card.)
Press 2945#*71001# then a menu appear.
Select "Unlock SIM"
Then select "Network Lock", phone will warn You that NCK could be entered 10 times. Press "Yes"
Enter 8-digit NCK code. Then press OK.
Now the phone is unlocked.
TE365

Turn ON phone with accepted SIM card.
Enter *#0001#NCK code#
Now phone is unlocked.
CU320

Powe ON phone.
Enter 277634#*#
Enter SIM unlock code.
Go to "SIM Test" menu.
Enter 2945#*#
Go to "SIM Unlock" menu
Enter NCK code.
Phone is unlocked now.
KG120

Insert an accepted SIM card in phone.
Turn ON phone.
Go to "Menu" -> "Settings" -> "Security" -> "Unlock SIM" -> "Deactivate".
Enter NCK
Phone is unlocked now.
U8210

Insert a non-accepted SIM card in phone.
Turn ON phone.
Enter 277634#*# code to go to Test Mode menu.
Select SIM test menu.
Enter 2945#*#
Select SIM Unlock menu
Phone will ask for NCK, enter it.
Now phone is unlocked.
Possible error messages

Your phone is not personalised
The phone is not locked, therefore You can't enter NCK code.
Already Unlocked
The phone is not locked, therefore You can't enter NCK code.

ANDROID LG secret codes for LG GT540 Optimus

*#*#4636#*#* - Displaying Phone Information LG GT540 Optimus. 4 menus will appear on the phone screen: (Phone information, Battery information, Battery history, Usage statistics)

*#*#225#*#* - Calendar Storage, show the number events in your calendar

*#*#426#*#* - Information such as Event and part of information about the connection with Google Play Services

*#*#759#*#* - Rlz Debug UI. Unique Device ID, PID, ACAP other data related to application installation.



*#*#36245#*#* - Access Email debug info Email

*#*#8255#*#* - This code can be used to launch Google Talk Service Monitor

*#*#64663#*#* - Access Hardware Test (Sensors, Bluetooth, Battery, Speakers)

*#2886# - Factory Auto Testing

*#*#273282*255*663282*#*#* OR *#*#273283*255*663282*#*#* - File copy screen where you can backup your media files

*#*#7780#*#* - Return to factory setting. It'll remove following things: (Downloaded applications, Google account, all data and settings)

*2767*3855# - This code is used for factory format.



*#*#7594#*#* - This code change the "End Call / Power" button action

*#*#34971539#*#* - Checking your mobile phone's camera details.

*#*#97#*#* - Language and Keyboard settings in LG GT540 Optimus

*#872564# - USB logging control

*#301279# - Use this code to access the HSDPA/HDUPA control panel

*#9900# - System dump mode LG GT540 Optimus

*#*#46*#*# - Reset Sim in LG GT540 Optimus

*#*#197328640#*#* - Enter service mode to run various tests and change settings




WLAN, GPS and Bluetooth Test Codes:

*#*#232339#*#* OR *#*#526#*#* OR *#*#528#*#* - WLAN test (Use "Menu" button to start various tests)

*#*#232338#*#* - Wi-Fi Mac Address

*#*#1472365#*#* - GPS test

*#*#1575#*#* - For a more advanced GPS test

*#*#232331#*#* - Run Bluetooth test

*#*#232337#*# - Shows Bluetooth device address in LG GT540 Optimus

GSM codes for LG GT540 Optimus

Change PIN code - **04* and enter the old PIN code, and twice a new PIN code.
Change PIN2 code - **042* and enter the old PIN2 code, and twice the new PIN2 code.
Unlock SIM (PIN) - **05* and enter the PUK code and new PIN code twice
Unlock SIM (PIN2) - **052* and enter the PUK2 code and new PIN2 code twice

Call Forwarding (you have to order the service from the operator)

##002#	Disables all call forwarding
##004#	Cancel all conditional call forwarding
**004* phone number #	Activate all conditional call forwarding

Unconditional call forwarding (Call Forward All)

###21	Switch off and deactivate
#21#	Deactivate
**21*phone number#	Enable and Activate
*21#	Activate
*#21#	Check the condition

Diversion in case of "no answer"

###61	Switch off and deactivate
#61#	Deactivate
**61* phone number#	Enable and Activate
*61#	Activate
*#61#	Check the condition

Diversion in case of "not available"

### 62	Switch off and deactivate
# 62 #	Deactivate
** 62 *phone number#	Enable and Activate
* 62 #	Activate
* # 62 #	Check the condition

Diversion in case of "busy"

###67	Switch off and deactivate
#67#	Deactivate
**67*phone number#	Enable and Activate
*67#	Activate
*#67#	Check the condition

Call Barring (you have to order the service from the operator)
Change the password for all bans (default - 0000)
- ** 03 * 330 * old password * new password * new password #

Block all outgoing calls on your phone
**33*(enter password)#@ - Enter to activate
#33*(enter password)#@ - Enter to deactivate
*#33#@ - Check

How to turn off all calls
*330*(enter password)# - Enter to activate
#330*(enter password)# - Enter to deactivate
*#330# - Check

Block all outgoing international calls on your phone
*331*(enter password)# - Enter to activate
#331*(enter password)# - Enter to deactivate
*#331# - Check

How to block all outgoing international calls when roaming
*332*(enter password)# - Enter to activate
#332*(enter password)# - Enter to deactivate
*#332# - Check

Restrict of all outgoing calls
*333*(enter password)# - Enter to activate
#333*(enter password)# - Enter to deactivate
*#333# - Check

Block all incoming calls on your phone
*353*(enter password)# - Enter to activate
#353*(enter password)# - Enter to deactivate
*#353# - Check

How to turn off all incoming calls when roaming
*351*(enter password)# - Enter to activate
#351*(enter password)# - Enter to deactivate
*#351# - Check

Call waiting (you have to order the service from the operator)
*43# - Enter to activate
#43# - Enter to deactivate
*#43# - Check

Transfer your phone number (Anti ANI)
#30#phone number - Block
*30#phone number - Allow
*#30# - Check

Show phone number of the caller you (ANI)
#77# - Block
*77# - Allow
*#77# - Check

Proceed with Caution: Use codes with care, as incorrect usage could affect device functionality.

If you're unsure about a code, do not use it. It's better to be safe than sorry.

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Tarik Tonkov Mobile technology specialist

Tarik Tonkov is a computer scientist and programmer turned tech journalist with a keen interest in the world of smartphones and tablets. He previously wrote for Android Life and was also a ghostwriter for several technology and automotive publications. He appreciates the reliability and beauty of smartphones, the symbiosis of characteristics and usability. In his free time, Tarik likes to travel by car and polish his programming skills to create small useful programs.

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