Lg c900 no cell data

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I have a LG Quantum an I can't get the Cell data to work with Straight Talk (MVNO-ATT-US).
I already tried a few trick but just doesn't want to work.
I know I cant make the MMS to work because is no settings for it and honestly I don't care but I cant make it to work the data either.
Reading on forums the data should work with the following settings:
NAME straight talk
APN: att.mvno
PROXY: proxy.mvno.tracfone.com
PORT: 80

... but doesn't. has anybody the same problem? how you fix it?

I fixed it with this:
http://forum.xda-developers.com/show...34&postcount=3

thanks but no luck. I'm thinking to flash the phone, it may be something wrong with it.

this is what I did in the mean time.

I saved the PROV XML file from my phone
__PROV__ATT_US_310_410_ENG.xml

and I modified with the straight talk info but i'm not sure if is ok.

__PROV__ATTS_US_310_410_ENG.xml (this is after I renamed) and I can load it from MFG app and view it in the "View current profile" just is not working.

I saved an detailed list of the xml prov files on the following link
r-tel.net/forum.html#/20120405/lg-c900-no-cell-data-1460613

thanks,


PS:

I tested the phone with a T-Mobile sim card and the internet worked out of the box (in EDGE mode) so i thing the phone is OK.
No luck with Straight Talk yet

Did you ever get the C900 working with Straight Talk? I have the same MMS issue. Data works OK.
What tools did you use to get the file from the phone to the pc, edit it and send it back. Thanks.

no, not yet. I'm not sure if I modify the xml file in the right way.

any way I'm still working on it.

to answer for your question how I edit the prov file ? on the same page at r-tel.net/forum.html#/20120405/lg-c900-no-cell-data-1460613/

I describe a few steps. hopefully somebody is gone figure out the right way to set the data on the phone (LG Quantum @ ATT)

if anybody has a working setup please feel free to post the complete settings.

thanks and good luck.

Quantum MMS

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Thanks for replying.

I read your xml file and edit on the other site.

My question was how were you able to get that XML file from the phone, edit it and get it back on the phone.

Thanks

"Setting was failed (Access denied or invalid argument)"...on Quantum 7, the XML files were found with the right countrycode 222 88 , but this is what I got when ii click on the xml file :(

I used this tool "WP7 Root Tools" this gives you access to the system files on the phone.

I installed from this site (wp-bazaar.com/Bazaar/Default.aspx) you have all the info what you need and how to install the application (I think this is the easiest way).

once you have the WP7 Root Tools on your phone you will understand those steps listed on the r-tel web site.[COLOR="Silver"]

---------- Post added at 11:36 AM ---------- Previous post was at 11:35 AM ----------

Diomorgan,

not sure why you get the invalid argument, is your phone unlocked?

honestly I was playing only with this LG Quantum so I not to familiar with other phones.

I'm just trying to figure out how to get cell data on my phone I don't even care about MMS all I need is net and emails.

Thanks for the info. Hopefully we can get it working!