Trying to use T-Mobile on VZW GS3 - Verizon Samsung Galaxy S III

I've been trying to put my GS3 working on T-Mobile and all i can get is Voice And Messages but the Data that i get is only Edge which is slow as a snail.
I've been using this http://forum.xda-developers.com/showthread.php?t=1809314
Is there anyway i can get 4G or atleast the 3G?
And is it because of the bands or frequency thing that it doesn't work?
Any help will be appreciated

I'm guessing here...download Verizon radio? See dev section
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Need some good suggestions...

Needs some good suggestions.....i finally sim unlock my infuse 5 mins ago.and my tmobile sim is working. But im gettin bad service in tmobile. Is their anymore fix i need or im missing something to make the infuse my daily phone.with tmobile service? Or no chance @all..... tnx
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At&t uses different radio bands for 3g/4g. You will only be able to access the edge network.
So what do u think using the infuse in tmobile? Is it better to just get the phone thats locked to its own carrier.or the sim unlock phone?
Sent from my SAMSUNG-SGH-I997R using XDA Premium App
Your going to have really slow data. That's the only difference. It will still work just fine just take for ever to use the net and things like that since it will only be on edge. I'd just suggest sticking with a carrier specific phone if your worried about data speeds.
Wat phone from at&t will fully work for tmobile 3g/4g data...
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joseph050607 said:
Wat phone from at&t will fully work for tmobile 3g/4g data...
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Likely none - I have yet to see an AT&T phone that supported the AWS 3G band that T-Mobile uses.

Verizon SG3 running 3G or 1x... poor signal...

Will someone explain PRL's and how to improve signal? I have ATT skyrocket and Verizon SG3 and the skyrocket 4g is more consistent and very fast whereas the SG3 runs in 3G or 1x and when LTE is running it's still slow. Any ideas?
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You know, I have the Sprint version, same problems, Ive changed baseband 3 times. Its an internal antenna issue I think
this message brought to you by my GalaxyS3
Thank you for your feedback bc its so frustrating.. U know of any way to get past this
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Samsung Infuse on Simple Mobile Network. Can't get 3G.

Okay guys, on the day I got my Infuse I thought I give it a try and put it on the Simple Mobile 3G network. So what ticks me is that I'm always stuck on a 2G network with a big "E" on my status bar. I even called Simple Mobile customer service and they said they can't fix that. Dammit, there has got to be some way to bypass AT&T. Help me out guys. Thanks.
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kmeng9 said:
Okay guys, on the day I got my Infuse I thought I give it a try and put it on the Simple Mobile 3G network. So what ticks me is that I'm always stuck on a 2G network with a big "E" on my status bar. I even called Simple Mobile customer service and they said they can't fix that. Dammit, there has got to be some way to bypass AT&T. Help me out guys. Thanks.
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that's just a prepay plan on t-mobile. the infuse will need an att or similar sim card. t-mobile has unique frequencies and features on there network. it is not att's fault. edge only is typical with att phones. try strait talk, they sell sims now and you can specify att compatible.
Yeah...nothing you can do except switch carriers...go to straight talk, its $45 a month for unlimited everything, just go to there website and order an att compatible sim.
Your pretty much guaranteed to get edge when using an att phone on t mobile, simply because they run in differnt cell frequencies or whatever you wanna call it
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mg2195 said:
Yeah...nothing you can do except switch carriers...go to straight talk, its $45 a month for unlimited everything, just go to there website and order an att compatible sim.
Your pretty much guaranteed to get edge when using an att phone on t mobile, simply because they run in differnt cell frequencies or whatever you wanna call it
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Hey thanks guys, I appreciate the info. Now that I know, yeah I guess that sounds like a best solution is to just switch carriers. Then again I feel that I made a mistake by buying an Infuse. Dammit, should of gotten the Galax Epic 4G and flashed it to Cricket. But yup thanks guys.
I've been told you cant get 3g because the Infuse is a 4g phone. That could also be an issue as well. I ran into that problem when att had to replace my captivate with my infuse. This is what they told me.
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oxendine9381 said:
I've been told you cant get 3g because the Infuse is a 4g phone. That could also be an issue as well.
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That's not the issue at all...for one thing, the infuse isn't even real 4g...it runs on hspa+, hspa is 3g...so when you have "H+" you have 4g...when you have "H" you have 3g...when you have "E" you have edge/2g
These phones are backwards compatible...if they wernt then you would constantly lose data signal
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Probably a dumb question. Vzw sg3 on other USA carrier?

Looking at getting off Verizon, do not want to get another contract.
What is the status of our phone working on hspa? I've read in the development forum that in parts of Europe it gets hspa speeds as well as 3g so it's a Verizon thing?
Am rooted, unlocked yadda yadda running paranoid android rom.
Thx all.
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Sell your phone for $300+, get a new one on your new carrier for less. Why keep it?
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Thanks, but I am looking to set up on a prepaid service more or less. Guess I should have mentioned that in the op.
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Won't work on US HSPA. There is a bounty thread in the forum trying to get it to work. Get another phone as other poster recommended. Will get EVDO speed. My other Rezound is Global on TMobile get EVDO only. Everything else will work tho.

Quick ? about Verizon S3 and ATT 3G

I have a quick question for everyone. I have a Verizon Galaxy S3. I am wanting to move to Straight Talk on ATT Service. I put in a Straight Talk SIM, and input the APN Settings that I had acquired.
The only service I could get was "E", which I'm assuming is Edge Service. I was just curious if anyone knew anything I could do to help the phone at least get HSPA on AT&T(Straight Talk)?
Thanks.
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From my understanding it does not work that way. The only service you'll get is edge.
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3G
I believe the model is missing the HSPA+ freq. needed in the USA. I have heard that it does get the HSPA+ with SIM card in other countries, but only EDGE in USA.

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