Lg-p509 network lock t-mobile unlock [DONE]..
Procedure
Remove SD and SIM cards form phone;
Connect powered-on phone to PC with Micro USB cable;
Install necessary driver;
Read NVM
Click "Unlock" button;
Follow software instructions
Code:
Platform: LG Qualcomm Selected port: COM21 Selected model: P509 Reading info...OK Mode: Normal Model ID: P509 Firmware compiled date: Sep 02 2010 Firmware compiled time: 14:00:00 Firmware released date: Oct 23 2010 Firmware released time: 16:21:32 SW Version: P509-M76XX-V10l-OCT-23-2010-XX IMEI: 012409-00-218560-0 Bluetooth address: 74:A7:22:3E:A3:A5 Selecting output file...OK Destination file: "P509_012409002185600_11-03-2013_12-17-30.NVM" Reading NVM...OK -------------------------------------------------------------------------------- Platform: LG Qualcomm Selected port: COM21 Selected model: P509 Reading info...OK Mode: Normal Model ID: P509 Firmware compiled date: Sep 02 2010 Firmware compiled time: 14:00:00 Firmware released date: Oct 23 2010 Firmware released time: 16:21:32 SW Version: P509-M76XX-V10l-OCT-23-2010-XX IMEI: 012409-00-218560-0 Bluetooth address: 74:A7:22:3E:A3:A5 Unlocking... Switching to Download mode...OK To avoid damaging your phone, please, follow these simple precautions: Use a clean PC (without any installed drivers and software for BlackBerry phones, modem Dashboard software, Phone PC suites software). Please, make sure the phone's battery is fully charged. You should not run any other programs or attach new devices to your computer during this operation! Sending loader...OK Reading security area...OK Backup saved to "P509_012409002185600_11-03-2013_12-19-54.SEC" Writing security area...OK Phone successfully unlocked! Rebooting phone...

Remove SD and SIM cards form phone;
Connect powered-on phone to PC with Micro USB cable;
Install necessary driver;
Read NVM
Click "Unlock" button;
Follow software instructions
Code:
Platform: LG Qualcomm Selected port: COM21 Selected model: P509 Reading info...OK Mode: Normal Model ID: P509 Firmware compiled date: Sep 02 2010 Firmware compiled time: 14:00:00 Firmware released date: Oct 23 2010 Firmware released time: 16:21:32 SW Version: P509-M76XX-V10l-OCT-23-2010-XX IMEI: 012409-00-218560-0 Bluetooth address: 74:A7:22:3E:A3:A5 Selecting output file...OK Destination file: "P509_012409002185600_11-03-2013_12-17-30.NVM" Reading NVM...OK -------------------------------------------------------------------------------- Platform: LG Qualcomm Selected port: COM21 Selected model: P509 Reading info...OK Mode: Normal Model ID: P509 Firmware compiled date: Sep 02 2010 Firmware compiled time: 14:00:00 Firmware released date: Oct 23 2010 Firmware released time: 16:21:32 SW Version: P509-M76XX-V10l-OCT-23-2010-XX IMEI: 012409-00-218560-0 Bluetooth address: 74:A7:22:3E:A3:A5 Unlocking... Switching to Download mode...OK To avoid damaging your phone, please, follow these simple precautions: Use a clean PC (without any installed drivers and software for BlackBerry phones, modem Dashboard software, Phone PC suites software). Please, make sure the phone's battery is fully charged. You should not run any other programs or attach new devices to your computer during this operation! Sending loader...OK Reading security area...OK Backup saved to "P509_012409002185600_11-03-2013_12-19-54.SEC" Writing security area...OK Phone successfully unlocked! Rebooting phone...
