How to find out what Port your phone is on. Whenever you use QPST, you need to know what port windows assigns to your phone. After plugging in your phone to the USB cable do this: 1) On your desktop or start menu, Right-Click on My Computer 2) Choose Properties 3) Click Hardware Tab 4) Click Device Manager 5) Find Ports and click the + next to it. 6) You should see LGE in there and it will say (COM8) or some other number That is what COM port you need to add into QPST Config program.