I tried making a pin code for my lg GU29of model and it asked me what the default one is i typed what it said and it kept saying invalid pin after saying invalid a few times it switched me to puk code and i had no idea what a puk code is and it never said anything in the book about a puk code so i tried the default pin code i had used and then it asked me what my new code wanted to be i typed it and it said invalid so i tried again and again still invalid!!!!!!!!!! so i tried one more time and it came up with puk blocked and a picture of a sim card with a red arrow next to it pointing! I CANT DO ANYTHING!

i'v set a password in my LG GM360 viewty snap mobile. now i forgot it and i can't reset the settings. my imei is 35220204891845800. I'v tried 0000 and 1234 bt it always saying " invalid security code". Wt can i do nw?

Hi,
Please see below instructions in details on how to unlock code for LG phones, (i have included various model of LG for you to try)


Here are some unlock codes for AT&T LG phone available, menawhile , including the methods of entering the Unlock Code on your LG phones attached to them. Hope this is useful. AT&T cell phone Questions&Answetrs
Model : AT&T LG VU CU915 & CU920
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 :AT&T LG C2000
Insert non-Cingular SIM card Power on the handset - phone will display "phone restricted" Select "Cancel" - phone will display "phone restriction code" Enter the SIM Unlock code. Select "OK" - the handset is now successfully unlocked
Model : LG TU720 - LG CU720 and all LG 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 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 CU400
1 - Insert non-Cingular SIM card" 2 - Power on the handset - Phone will display "Invalid SmartChip" 3 - Phone will display "Invalid SmartChip" 4 - Enter 159753#*# 5 - Enter the 8 digit SIM Unlock code 6 - Select "OK" 7 - The handset is now successfully unlocked
Model : LG CU500
1 - Insert non-Cingular SIM card" 2 - Power on the handset - Phone will display "Invalid SmartChip" (IF THE PHONE DOES NOT DISPLAY INVALID SMARTCHIP, PLEASE POWER OFF AND ON AGAIN) 3 - In Idle screen, enter 159753#*#. Phone will display "Enter NCK, Remaining 5 4 - Enter the 8 digit SIM Unlock code 5 - Select "OK" 6 - The handset is now successfully unlocked
How to Unlock LG CU515:
1-Insert non-Cingular SIM card" 2-Power on the handset - Phone will display "Invalid SmartChip". 3-Enter *#865625# then select option 1 and then again select 1 4-Enter the 16 digit SIM Unlock code 5-Device should say: Network Lock Deactivated 6-The handset is unlocked. 7-How to Enter Unlock Codes on CU575 (Trax) How to Enter Unlock Codes on LG F2250:
1-With allowed sim card in the start menu type: 2945#*3311#. 2-Handset shows saved, then return to startup screen 3-Press Menu key, choose Settings > Security > Sim Lock> Network > Deactivate, handset will now show 'Enter NCK' 4-Enter your unlock code and OK. How to Enter Unlock Codes on LG U8110:
1-With a not allowed sim card in your phone enter Pin code then validate, type: 277634#*# 2-Select 'Sim Unlock' menu # 3-Enter NCK code then validate 4-Your phone is now unlocked. How to Enter Unlock Codes on LG U8210:
1-With a not allowed sim card enter Pin code then validate, type: 277634#*# 2-Shows test menu 3-Choose sim test menu and type: 2945#*#, choose Sim Unlock menu 4-Handset shows 'Enter NCK' 5-Enter code, then hit OK. How to Enter Unlock Codes on LG U81xx:
1-To bring up the unlock menu on the phone with a SIM card, type 2945#*88110# 2-Enter the code 3-In case you need to reset the phone without a SIM card first, type 277634#*# or 47328545454#. If your cell phone is not listed, please follow instructions for LG C2000 above

If If instruction above does not help you i would strogly suggest to contact your Service Provider to provide some alternatives.


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After entering the wrong PUK code 10 times in a row, the SIM card becomes permanently invalid or locked. The only solution is to purchase a new SIM card.

Try default codes or master rest codes to reset your security settings ,invalid sim is due to the network lock you na\may contact the service provider if you need to unlock it using codes try here http://www.mobileunlocksolutions.com/

i kept messing around wiv my pin codes an then was asking 4 my PUK code how do i get out? My phone is a samsung tocco lite S5230 please help asap

if you have a webslider just call 1300 555 002 and follow the prompts.You will talk to a real person and just ask for your PUK code they will tell you. :)

you probally entered an code and then changed it. you should contact your provider and ask them to give you the code number

yes for the first security code it is default, try 12345, or 1234 or 0000, or 00000 then put in your own when its ask for a new security code ok

Yes thats because 0000 is not your PUK code! You will need to call your network provider and ask for it. DONT keep entering random numbers as after 10 attempts it will permantly disable your sim card!

http://www.lgunlock.net/LGunlockinstructions.htm
thank you i found reset number here
plz inform and give some money me


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