Tethering Instructions for the LG Quantum on AT&T/Bell (USA/Canada)


Here’s how to install the mobile modem on Windows PC via USB and tether the modem for Internet connection:

  1. Download and install the Zune software from zune.net
    1. Alternatively, for users who do not want to install Zune software or the PC has problem installing appropriate driver, try to download and install LG USB modem driver: PilotesLGe900.exe
  2. Launch the LG phone dialer, and dial ##634#, then press the Call button to bring up a list of applications under the screen title of “MFG”.
  3. When asked to input password, enter 277634#*# to unlock the password-protected MFG.
  4. Once MFG loads go to the USB Switching option in Menu Engineer -> Port Setting.
  5. Select the QC COMPOSITE and validate (switch to MS COMPOSITE to restore sync with Zune).
  6. The phone will automatically restart to activate the setting.
  7. Connect the phone to PC with a USB cable.
  8. Windows should automatically detect the Windows Phone 7 and install driver from the device. A phone modem named LGE CDMA USB Modem will be installed.
  9. Edit or configure the LGE CDMA USB Modem settings or properties from Device Manager, and add an additional string parameter in the Extra initialization commands from the Advanced tab (for USA AT&T network):
      • AT+CGDCONT=1,"IP","isp.cingular"

    OR  (in some cases, either one of these works better)

      • AT+CGDCONT=1,"IP","wap.cingular"

    OR (for Canadian customers)

      • AT+CGDCONT=1,"IP","inet.bell.ca"

  10. Manually create a new dial-up connection that uses the LGE USB modem with phone number to dial as *99***1#   ( Canada use:  *99#  )
  11. Dial the new connection, and you should now have Internet access via the Windows Phone!

NOTE: There is no need to enter a username and password, but just in case, you can enter the below values (may be case sensitive):

Username: WAP@CINGULARGPRS.COM

Password: CINGULAR1

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About flopek


49 responses to “Tethering Instructions for the LG Quantum on AT&T/Bell (USA/Canada)

  • Windows Phone 7 Wish List « Flopek's Helpings

    […] Make tethering a native function in Windows Phone software (currently have to make tweaks to work – see my post here) […]

  • bet365

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  • ptz ip camera

    Thanks a million for this, I appreciate the info

  • Brent

    Absolutely GREAT! I can’t thank you enough! Clear, concise instructions on how to tether my new WP7. I couldn’t ask for more!

  • network camera

    A genuinely excellent publish by you my friend. I’ve bookmarked this page and will occur back following several days to examine for any new posts which you make.

  • Patrick

    Sorry, but this did not work for me, I was able to get the phone recognized as a modem, and created the dialup, but never was to connect, kept getting error 618? (I think)

  • cyberblak

    For Bell Canada:

    At step 9, init string is AT+CGDCONT=1,”IP”,”inet.bell.ca”

    At step 10, dialed number is *99#

    Works like a charm!

  • Brett

    Thank you so much for this! Now that I have connected this way, I can’t get it to work with Zune anymore. Any suggestions?

  • Steve

    It didn’t work for me. Error 619.

    I checked http://modemsite.com/56k/dunserror.asp, which took me to a kb article that requested fiddling with active directory (which doesn’t seem related).

    Any help would be greatly appreciated.

    Thanks!

  • Matt

    Will this work on my “NEW” Windows 7 LG Quantum C900? (As stated on the actual phone)

    I have AT&T and I was able to tether my older windows LG Incite from PDANet. But they have nothing for the NEW Windows 7 LG!

    Please let me know as soon as you are able to!

    Thanks,Matt

  • Matt

    I followed everything but when I go to dial I get a 619 error code. I looked at the Microsoft explanation to this but I am not fully understanding how to work around it.

    Can anyone offer some help? or simpler directions on how to work around the 619 error code?
    I am about ready to take this thing back and get a DROID! Arrrgh!
    Thanks,Matt

  • 7carisfast

    Perfecto!! Would never have done it without you. Had to download the drivers first to the laptop.

  • AC Hawk

    Step 5 says to set “QC Composite”. Will the LG tether and ZUNE still synch in this setting or only in “MS Composite”?

    Is “MS Default” the factory setting?

    • AC Hawk

      Disregard the question – I tried all three settings and found the Quantum will do one or the other but not both on any one setting.

  • BP

    Great tutorial, I went through all steps but kept getting the 628 or 619 error upon trying to dial the connection. I switched the modem settings from “isp.cingular” to “wap.cingular” and am now connecting fine. I’m not sure, however, if using this APN may prove problematic in terms of getting charged for data–see here: http://www.wireless.att.com/answer-center/main.jsp?solutionId=35078&t=solutionTab

  • Michael

    Is this a hack to make tethering work WITHOUT a tehtering plan?

  • erik

    For the error 619….it cannot make a tethered connection if your data connection (phone) is on. So go to Settings>Cellular and turn data connection off. After you connect, you can then turn the data connection back on (I am currently using this to post right now)

  • ely

    I did steps from 1-7 but when I connect the USB it only connects my to Zune it doesn’t install the modem. What can I do?

  • Michael

    I’ve tried it out, but can’t get it to work. The device is working properly, I’ve tried both “isp.cingular” & “wap.cingular”. As well as entering the username 7 password. I don’t get a error #, just that it couldn’t connect. Any help would be appreciated.

  • Shelli Merino

    anyway to apply this hack for another network? I’m using a small time network called Cellular One in Montana. I’ve got an AT&T phone, but have it unlocked and using on the Cellular One network. If I have APN settings, can I use this same hack, but substitute my network settings?

    • flopek

      I think AT&T acquired Cellular One. Have you tried these settings or your substitued APN settings? I’m not familiar with that network, this is all that worked for me.

  • bobg

    Doesn’t pickup a modem driver from the phone.
    Is there someplace it can be downloaded.

  • Allen

    Aaahhh! Using MS COMPOSITE did NOT allow me to use the phone in Zune again. The tethering worked great, but now no matter what setting (MS COMPOSITE, MS DEFAULT, or QC COMPOSITE) I can’t connect to Zune!

    When using MS COMPOSITE/MS DEFAULT my phone comes up as a “Microsoft USB Sync” device. This happens both on the computer that I installed the LG drivers on as well as my other computer which had not been touched through the whole process (which used to connect to Zune). I need to connect to Zune to be able to use the device for debugging through Visual Studio!

    If I can’t figure out how to get it back to Zune Sync mode, I’m going to try a factory reset through the OS and if that doesn’t work then try a factory reset through this debug menu… I don’t even know if that will fix it, so if anyone has a solution, please tell me!

    (I’ve also tried changing its drivers to the Zune drivers, but again, the device is now showing up as a “Microsoft USB Sync” device on all computers, even the ones that never had the drivers changed/installed on — it’s a problem with the phone!)

    • Allen

      Wait a sec — I might be wrong… could be working now with MS COMPOSITE (don’t know why, I’ll post back when I know if it was a mistake on my part or something else).

      • Allen

        Problem solved: No idea what happened, but suddenly “MS COMPOSITE” is working the way it should and it is now Zune syncing no problem. No idea why it didn’t work before but it works now.

  • JP

    Thanks for this tutorial!! I only have one issue. My speeds aren’t consistent and I can’t figure out why. Is there a way to get higher speeds? I’m currently @ 1.6mbps down and 0.11mbps up. Sometimes I connect and I’ll only be able to pull 0.12mbps down and 0.01 mbps up.

  • HandSolo

    I have tried everything in this post and I always get error 619 or 628.

    Nothing is working for me. Has something changed or does this only work with unlocked phones?

  • Robert Gowdey

    This worked for me. I tried everything in the comments and it wasn’t until I turned the data OFF on the phone that I was able to get it to work. Thank you so much for these instructions.

  • Alberto Silva

    Simple question: Is it possibile to have tethering AND zune connection working at the same time or do people have to switch between QC Composite and MS Composite whenever they need to change from tethering to zune and back?

    BTW, I accidently left the QC Composite option active for a while and some of the USB chargers I have – namely charge with PC – stoped working until I switched back to MS Composite again.

  • RSM

    I have the new 7.5 Mango update on my LG Quantum and am having trouble. It’s not connecting here. Are the settings the same for this? Has anyone tried this on Mango yet?

    • flopek

      I have upgraded my LG Quantum handset to Mango as well, and after setting the port to QC Composite, my tethering still works connecting to AT&T. Remember that you must switch the USB port between MS Composite (synch with Zune) to QC Composite (modem).

  • yokolo

    how about folks with same error 628 problems outside the us/canada

  • nvgoldendog

    I was getting the 619 error on AT&T. I changed it to the WAP setting, still got the error. Then I saw in the replies to make sure to turn data off on the phone. Once I did, it worked! Thank you so much for this posting!!

  • Tom

    Me too – with Mango (7.5), for me disabling data did the trick. Using wap.cingular.

  • Lisa

    Just a quick update for everyone interested. As of this month, July 2012, AT&T has caught on that I was tethering and insisted that I add that to my plan. I have used this feature on occasion for the last year, but I think it was the sudden usage of lots of data that got their attention.

    P.S. Am I the only on that thinks “getting caught tethering” sounds like you were doing something dirty?

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