If there's still a problem, it may be the computer's USB port or the USB cable. If the setting is still at 'CP USB' then reinstall the LG drivers. If it’s not (back on “AP USB”) redo step 8. Check the phone’s screen and see if the Port Setting is still at “CP USB”.
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If that doesn’t happen, then the Port Setting has probably reverted back to “AP USB” and will need to be changed back to “CP USB” or the LG drivers didn't install fully or correctly or the computer's usb connection or the usb cable has a problem. IMEI: 0127XXXXXXXXXXXXXXX (I’ve X’d out my IMEI for security reasons) The window above “Query Modem” should fill up with (the following data is from my phone, your phone’s Revision may be and IMEI will be somewhat different):ĪTI1 - Manufacturer: QUALCOMM INCORPORATED ) then press: OKĩ) Plug your phone into the USB port and wait a few seconds until the USB drivers install.ġ0) Access the LGE Mobile USB Modem driver through Control Panel -> Device Manager -> LGE Mobile USB Modem -> Advanced -> Advanced Port Settingsġ1) Click on the box next to “Append to Log” so that a checkmark is in that box. In the instructions, I've included backing up your phone's NV memory settings in case you inadvertently change the phone's settings or brick your phone (assuming the phone wasn't already bricked).Ģ) Install QPST (set it to run as Administrator and pin it to the Start Menu)ģ) Download and install QXDM (set it to run as Administrator and pin it to the Start Menu)Ħ) In the phone’s Settings -> Applications -> Development -> enable USB debuggingħ) Access the phone's hidden menu using the phone keypad (dialer), enter: 1809#*999#Ĩ) In Port Setting enable CP USB (do not enable Retain.
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The following instructions are to be used to determine if your cell phone's transmit and receive functions are working when your phone doesn't successfully make phone calls.