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Get USB Tethering on LG Windows Phone 7 Devices

LGTettherWindows Phone 7 devices, just like Android, offers USB Tethering. This is a protocol through which the phone’s internet connection is shared over a USB connection to any PC or a laptop. If you have any of LG’s Windows Phone 7 devices and want to tether your 3G connection to your PC or laptop, below is a step by step procedure instructing you how to do that.

Disclaimer: Please follow this guide at your own risk. AddictiveTips will not be liable if your device gets damaged or bricked during the process.



  1. Download and install LG USB Modem Drivers.
  2. Reboot your system after installation.
  3. Start LG Phone’s dialer, and dial ##634#, then press the Call button to bring up a list of applications under the screen title of “MFG”.
  4. Password to unlock the protected MFG is 277634#*#
  5. Go to Settings > Network Mobile and disable the data connection.
  6. Start MFG & go to the USB Switching option in Menu Engineer > Port Setting.
  7. Select QC COMPOSITE and validate. The phone will reboot to activate the setting.
  8. Connect the phone to PC via USB cable.
  9. Windows will automatically detect and install ‘LGE CDMA USB Modem’. Reboot after installation.
  10. Open properties of LGE CDMA USB Modem and select Advance Tab.
  11. Add this command in the text box: +cgdcont=1,”ip”,”APN” (replace APN with your carrier’s APN)
  12. Create a new dial up connection with LGE CDMA USB Modem with *99# as the dial number.
  13. Leave the Username and Password fields empty.

You are now connected to your phone’s 3G internet connection through a dial-up connection.

For any queries or issues, please head over to the XDA-Developer’s forum thread.


  1. Thanks for this post! I was able to tether using parts of your instructions, with some tweaks.
    Step 11 instead was at+cgdcont=1,”ip”,”APN”
    Step 12 I used the dial-up connection number of *99***1#

    Everything else remained as instructed. Phone is LG C900, running Windows 7.5 on AT&T here in Seattle.

  2. Hi,
    I have completed all the steps to step 9 but I am stuck on step 10.
    Where do I open LGE CDMA USB Modem? On my phone or my computer?
    And how do I open it? It seems I cannot find LGE CDMA USB Modem on my computer nor my phone.
    Oh, by any chance could I get connected to internet through my cell phone’s 3G by wifi?

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