Lg-p509 t-mobile provider unlock via octopus..[DONE][Reference]
TOOLS
1.CA-101 micro usb
2.Octopus box LG
PROCEDURE
1.Open octopus lg Qualcomm tab
2.Select correct model
3.Turn on you phone
4.Go to setting,development,turn on usb debugging
5.Connect your phone w/usb cable Install drivers if needed
6.Read NVM
7.Click Unlock
TOOLS
1.CA-101 micro usb
2.Octopus box LG
PROCEDURE
1.Open octopus lg Qualcomm tab
2.Select correct model
3.Turn on you phone
4.Go to setting,development,turn on usb debugging
5.Connect your phone w/usb cable Install drivers if needed
6.Read NVM
7.Click Unlock