LG OSP(On-Screen Phone) for LG P769
“LG On-Screen Phone is the service that allows you to view and manipulate your phone remotely via a PC, with the keyboard/mouse input from the PC. You can also easily exchange data between the PC and your phone”
Update LG Optimus L9 LG P769 Firmware?, You need to download and install LG MOBILE SUPPORT TOOL
Where to get T-mobile LG Optimus L9 Support:
Call T-mobile Customer Care at 1-800-937-8997 from your phone and a T-Mobile Activations representative will assist you.