[Q] TMO USA Modems - Galaxy S III Q&A, Help & Troubleshooting

Greetings,
I live in the US, my carrier is TMO and I have the international i9300. I rooted it and Rom it from a ROM in this forum. This SIII is working like a champ, however I am only getting Edge and sometimes HPSA.. I was told it had something do with file size , etc...to see if would work. Any information will be greatly appreciated.
Thanks

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[Q] Questions on Korean Version of Galaxy SII At&t Use

Hi guys.
I didn't know where to post and I have few questions on my Galaxy SII I bought from Korea and brought to USA.
I have KT's 250S galaxy SII and I'm trying to use it for At&t. I tried to put my At&t sim card in and looks like it is getting some connection. I was able to make a call.
However, looks like it's not getting any 3G connections. I heard there is some modification on the network I need to change to get 3G. Could you please let me know what should I do?
Thank you,
Andy

Please help Galaxy I9100 for Web & MMS on Metro PCS

Hey guys any help would be appreciated. I'm about to get Galaxy S2 I9100 switched over to metro can somone or anyone please assist with conffig of the Data setting and MMS.... Please!!!!
klee2000 said:
Hey guys any help would be appreciated. I'm about to get Galaxy S2 I9100 switched over to metro can somone or anyone please assist with conffig of the Data setting and MMS.... Please!!!!
Click to expand...
Click to collapse
MetroPCS? Will this phone (specifically the GT-I9100) even work on their network? I thought they were a CDMA carrier?
EDIT: hold up. You say "about to get Galaxy S2 I9100 switched over to metro"... does this mean you already have the phone and are switching to Metro? Or did you order the phone and are waiting for it to arrive, and plan to switch to Metro?
Your profile says you are on T-Mobile USA. If you ALREADY have a Galaxy SII on T-Mobile, you probably have the SGH-T989.
If you DON'T already have a Galaxy SII, and you've ordered the GT-I9100, and want full use of 3g/"4g", you will HAVE to go to AT&T or H2O, or any other GSM carrier that may be regional to your area that uses the same frequencies as AT&T. Or, you could stick with T-Mobile, but your mobile data speeds will be limited to Edge.
MetroPCS uses completely different cellular transmission technology, and the GT-I9100 will not even pick up a signal on their network for voice, let alone data.
EDIT 2: For that matter, if you have the T-Mobile variant (SGH-T989), that one won't work on Metro either, for the same reason.
Well it's both I'm picking up the phone after work and I plan to get it flashed to Metro. I was told that the phone is the Sprint Samsung Galaxy S2 I9100. I'm doing it for my girl who already has Metro. I have seen other user selling Galaxy S2 already on Metro so I know for a fact that they have the Web & MMS working, I just cant find it for myself! Thanks for the reply by the way!
klee2000 said:
Well it's both I'm picking up the phone after work and I plan to get it flashed to Metro. I was told that the phone is the Sprint Samsung Galaxy S2 I9100. I'm doing it for my girl who already has Metro. I have seen other user selling Galaxy S2 already on Metro so I know for a fact that they have the Web & MMS working, I just cant find it for myself! Thanks for the reply by the way!
Click to expand...
Click to collapse
Who ever told you "Sprint Samsung Galaxy S2 I9100" is wrong. There is no such thing.
The I9100 is the international model that operates on GSM.
If it's from Sprint, they meant the "SPH-D710", not "I9100".
You are better off asking in this forum. Someone there may have experience flashing a Sprint variant to Metro.
It's not very likely that anyone here in the I9100 forums is going to be able to help you, sorry.
I think he posted the wrong model>>>>> What Carrier has Galaxy S2 model I9100???? I think sprint model is Sphd710!
Thanks for the Help!!!!
klee2000 said:
I think he posted the wrong model>>>>> What Carrier has Galaxy S2 model I9100???? I think sprint model is Sphd710!
Click to expand...
Click to collapse
If he said it's flashable to Metro, then yes, he got the model wrong.
NO carrier in the US carries the I9100. It is the international model. But like I said, it works on AT&T for voice and 3g/"4g" (which is what I'm using), and T-mobile USA for voice and Edge.

[Q] Korean version Galaxy S2 in the Us for T-mobile.

Dear XDA friends, I'm currently in the state, and using Galaxy S for Tmobile.
However, my mom coming to the state, and she says she will bring her Galaxy S2 for me cuz she recently changed to Note. So this would be an upgrade chance for me, and I love the design of international and Asian versions better than US version.
My question is, is it going to be possible to root, and flash one of the S2 roms that are in this site??? I'm aware i won't be able to use 3G speed, but if im lucky i would get new 1900mhz 3G though in SF. The phone is already country unlocked, but the reason why I'm trying to flash new rom is one of Korean wireless company developed their own messaging system on their S2 phones so because of that i won't be able to send text and mms.
If the interantional version and Korean version is the same, then sorry for my ignorance, but if they are different, can someone please give me help?
Thanks.

[Q] Samsung Galaxy S3 which model?

This is driving me crazy. I have spent the last 3 days trying to figure out which model to get. I want the best speed available. I assume that is LTE 4G. There are too many models available. It is too confusing for me and calling T mobile is useless since none of their employees seem to know what is going on and so far 4 different employees have told me different things.
I am buying an UNLOCKED Samsung Galaxy S3. I want the freedom to be able to use any carrier I want when I want. I am in the US. Apparently not all the models of the Galaxy S3 have 4G LTE capabilities. Which model has it please tell me. I just want to buy a phone. I never knew it would be this difficult.
GT i9305 SGH T999 i535. i747. i9300.
If I use Tmobile I want the LTE 4 G. the fastest internet possible.
I am buying the phone on EBAY listed as UNLOCKED
please help me
Questions go in the q&a forum, ask an admin to move your post.
Suggest you buy a phone that will work best in your country, the i9300 and i9305 won't due to region lock on newer firmware.

International S3 on T-mobile giving only EDGE

I have a I9300 S3 international version. I recently Shifted to the US and am not able to get 3G connectivity. I can see only EDGE network. I know its got something to do with frequencies, because I have the APN etc correctly set up. My only question is will it ever work on 3G on T-Mobile? Is it fixable by flashing any modem?
P.S. I'm using Cyanogenmod 4.4.4.

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