Master pin code lg gs390 is there a such thing as a master security code?

To get Unlock code for LG GS390 visit Unlock-Zone.com .Get your unlock code by providing information about your IMEI number,country and current network provider and Unlock your phone by following step by step the instructions.

try a reset. usually can use 0000 for a temp security code until you reset it

Unlock Cell Phones
Your cell phone may be locked to a particular cell phoneprovider and in this case it needs to be unlocked to use with a different cellphone service provider.To get the security code/restriction code to unlock the cellphone from the current cell phone provider so you can use the SIM card with adifferent phone provider, Please click on this link and follow my instructions:-http://www.fixya.com/support/r4049238-unlock_cell_phoneIf yourphone provider does not help you then these WEB sites it provides securitycodes for a small price.http://www.mobileunlockstore.com/?gclid=CKDb2_y2558CFSlJagodxBkDHwhttp://www.mobileunlocksolutions.com/http://www.superunlockcodes.comhttp://unlockcellphonecode.com/

You can reset LG Prime to default setting by following these steps.

This will reset all user-defined settings on the device.

1. From the standby screen, tap the Main Menu icon.
2. Tap Settings.
3. Scroll to and tap Phone Settings.
4. Scroll to and tap Reset Settings.
5. Tap Master Reset.
6. Tap Yes to confirm.
7. Enter Security code, tap OK. The default security code is 0000.

For details http://www.resetcellphone.com/solution/LG/gs390-prime

wish I could help mine just started doing same thing. Help someone!!!!

Very Best Solution:You Go To Service & Sim Office and Get The Puk code And Pin code From Office oprator
Enter The Puk code and Yes
Enter The pin code and Yes
So Puk code Open and Problem will Quickly Solved

1234 or 0000 but if simlock then you will need to take it to a nearby mobile engineer to remove simlock

try codes here http://www.prounlocking.com/lg-prime-gs390/rs8wp9/

Somone changed my security code on my LG gs390 moblie now I can't reset anything this is my inside number 35585004610338700 I would be so happy if u could help me thanks