estas fueron las instrucciones que me dieron
LG Optimus P970 Unlocking Instructions:
1. Input a non accepted SIM card
2. Phone will display enter ?Sim network unlock PIN?
3. Input the unlock code that was emailed to you
4. Phone is unlocked!
OR
1. Start phone on with no SIM card
2. Press the call button and go to the dial screen
3. As if making a call press 2945#*970#
4. Enter Unlock code
* Some models may require a service provider code (sp code)