What is the master reset code for a LG Optimus when locked

Janet, You may have to do a factory/Hard reset, the links below will show how. Check the attached links,instruction and guides, Good luck
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How to unlock LG Optimus 4G LTE by code ? Unlocking LG Optimus 4G LTE by code is very easy, it is also safest and non-invasive method of unlocking your phone. To get code for unlock LG Optimus 4G LTE You need to provide IMEI number of Your LG. Type on keyboard *#06# or remove battery from Your LG Optimus 4G LTE to check IMEI number. IMEI is written on the information labelas shown in this picture.

Do You want to unlock your LG ? To get unlock code for LG we need only IMEI number.
You will also need a sim card from the network that phone is currently working. Sim card will be needed when you enter unlock code to Your phone.
Codes for LG are from manufacturer database. Unlock codes are assigned to IMEI number.

If after enter to secret menu phone will ask for:
network lock - please enter NCK code
service provider lock - enter SPCK code.

Go onto settings and it should say reset if this dosent work then email me at [email protected] I may have your solution because I own an lg Optimus myself

To Unlock LG Optimus 2X P999 use Unlock code....Visit the site
Theunlockarena.com
get Unlock code at reasonable cost and unlock it easily......You need to specify the network and country it's locked now and get the code Unlock it.

If it's a GSM model and you need a network code, you can use the following service (all LG models are supported): http://www.fastgsm.com/en/lg/lg/optimus-black-p970/unlock-code-usim-locked

contact the mobile service provider..............

Hi chris9975,

i have some tips hope this helps :D

you can enter your code in the following way. LG Android Phones
Start your LG Optimus GT540 Android Phone
Click the icon to open the phone dialer
Enter 2945#*540# and press send
Enter the provided unlock code (which you have purchased)
Click 'Unlock' , then it's done.
Your LG Optimus GT540 must be unlocked now, have a good day! LG Phone Problem and Solution

Unlocking Phone Don't worry there isSolution to Unlock the Mobile Phone from the Security Lock....Use the MasterReset Code and Unlock the Mobile....I unlocked my mobile Nokia 6600 using theMaster reset Code,I got the Master Reset Code here http://www.superunlockcodes.com/unlocking-services/rs12wp6/and Unlock it........You Check Master Reset Code for Your mobile in the List..

sir if you forgot the password or don't know the security code, You have to master reset the phone. Contact your service provider to get a master reset code at free of cost....You can also visit http://www.unlock-zone.com/ and can see different options there to get unlock code for a price. Choose any price appropriate for you.................

To Unlock the Mobile from the Security Lock you can use the Master Reset Code,To get the Master Reset You can reach here
http://www.theunlockspot.com/unlocking-services/rs10wp6/ I unlocked my Nokia 6600 from the Security Lock using the Master Reset Code........I got that Code at reliable Cost at
that site ...So You can check Master Reset Code For Your Mobile there......To Unlock that Mobile from the Security Lock.