[Q] question U.S. sim version - Galaxy S III Q&A, Help & Troubleshooting

Hey everyone, rare poster frequent lurker...
I seen a few people posting about reviews of the us models so I'm hopeing this is a question that maybe able to answered now?
Does anyone know if at&t and tmobile versions of the phone are one in the same? I mean i know they both use different frequencies for there 4G/LTE / + network but is Samsung installing radios/modems to cover both in the gsm model?
Here is my question in use.. I am interested in the tmobile s3, I have a work phone that is on at&t. I would like to run dual sim so I can just carry one phone or worst case swap sims as needed. Is this possible or would carrier specific models prevent me from accessing high speed internet?
I know its early yet but like I said I know there have been some hands on reports and a lot of talented people here that might know just from knowing the hardware Samsung used? If anyone can shed some light it would really help me out as I am doing my research now on which version suites me best. Thanks in advance!

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[Q] I have looked and looked

I can't find any information on flashing samsung vibrant to cricket. I don't care about a full flash, voice and text is fine for my purposes. I don't care about data or android market or any of that.
I have seriously been NON STOP looking for last 2 days with no luck. I checked the cricket forums and I searched the forums here without any luck. I am an amateur I am not going to lie.
But I have a very good general background in technology and, I have already rooted the phone. I was trying to follow a guide I found but honestly I am not 100% sure that even does what I want it to. QPST samsung vibrant but when I do it I cannot simultaneously connect both the phone and run the software. If software is running first my computer won't recognize the phone as a modem and if the phone is connected first the software freezes and I can't even close it with task manager, I have to reboot comp.
Any help at all would be appreciated. I don't even know if this is the right forum for this question and I am sorry if I put it in the wrong place but this is vexing me.
Does cricket even use sim cards? If they are not a GSM carrier, it would make it impossible to use the vibrant on their network/service
Sent from my GT-I9000 using XDA App
Cricket is cdma (sprint, Verizon, us cellular type radio, meaning no sim card) and the vibrant is gsm (meaning it uses a sim card).
The vibrant cannot and will not work with cricket.
Sent from my SGH-T959 using XDA App
Well question solved. Definately not the answer I wanted but that can't be helped.
Are there any nationwide carriers that use GSM available similar in price to cricket? I will be looking into this right after posting this question but I figure I might as well see if anyone knows any decent ones they can recommend. Basically, looking for cheapest possible with nationwide coverage.
I just need talk and text. Preferably no activation fee and no cost for sim but I know I am being overly optimistic with that lol. I also know that this forum isn't the place for that so any help is appreciated but I understand if no one has an idea.
PhiTwi said:
Are there any nationwide carriers that use GSM available similar in price to cricket? I will be looking into this right after posting this question but I figure I might as well see if anyone knows any decent ones they can recommend. Basically, looking for cheapest possible with nationwide coverage.
I just need talk and text. Preferably no activation fee and no cost for sim but I know I am being overly optimistic with that lol. I also know that this forum isn't the place for that so any help is appreciated but I understand if no one has an idea.
Click to expand...
Click to collapse
there is the one that wal-mart sells that you could look into

Signal Issues-Common problem?

I need to change my HTC Desire and I am thinking of a Galaxy SII. I will buy it used as I am not in the mood of spending much so as I was looking the ads I found several ads stating about faulty phones with a signal issue. Is this a common problem for the phone? What should I look for before I buy one?
Additionally I have another question. I am in the UK, these phones here come unlocked for any network? If not, flashing them with custom roms or firmwares can unlock them?
muku_ said:
I need to change my HTC Desire and I am thinking of a Galaxy SII. I will buy it used as I am not in the mood of spending much so as I was looking the ads I found several ads stating about faulty phones with a signal issue. Is this a common problem for the phone? What should I look for before I buy one?
Additionally I have another question. I am in the UK, these phones here come unlocked for any network?
Phones in the UK are either network locked or unlocked dependent upon vendor check before you buy .
If not, flashing them with custom roms or firmwares can unlock them?
NO custom roms do not unlock see the unlock posts .
jje
Click to expand...
Click to collapse
Galaxy s2 dosent have any signal issues for the majority of the users. If you feel your signal is poor, you can try flashing different modems and keep whichever you feel good.

Verizon 4G Phones and Global Capability

Hey all,
I know the question of whether verizon 4g phones are able to be used on global networks has been asked before, but I'm interested in the how. How is it that carriers are able to lock phones into using carrier-specific SIMs? Say, for example, I want to take a locked phone overseas and use a foreign SIM in my phone...my understanding is that with most of Verizon's offerrings (and ones from other carriers for that matter) this isn't a possibility because they have locked the phone to only be able to use their specific SIM.
My question is: Does anyone know how this is implemented? Is it hardware? Because it seems that as long as 1. a phone has the right combination of metal-on-silicon, and 2. the software has the ability to access that hardware, this shouldn't be an issue - especially on phones with unlocked bootloaders. The ability to interrupt any carrier specific processes through changing the kernel and OS on the phone seems like it should be sufficient to "unlock" the device. However, it seems like this is not the case. Can anyone shed light on this?
Tom
Oops. Sorry for missing the [Q].

[Q] Verizon-Sprint GSIII

So I looked around the threads on both Verizon, and Sprints side of the fences for an answer to this question and couldn't find any thing.
I have a Verizon Galaxy S3, and my contract with Verizon recently came to a close. I want to switch to sprint due to pricing and other options, but I don't have the money to drop on a new phone at the time, so I have been looking into unlocking the phone to work with Sprint, however I haven't much of luck...
That's when I came to XDA. While I was looking around the forum, I got to thinking.
Is there any possible way that I could take the Sprint version of the Samsung Galaxy S3's ROM, and load it onto my Verizon Galaxy? And has anyone tried this yet?
It's essentially the same hardware, right? To the best of my understanding, the only difference in the phones would be software related according to the carrier.
I am really struggling with this one, and I have witnessed the vast knowledge and great work by this forum before, so I am hoping I'll be able to find the help I need.
-Mortem Obrie
Verizon and Sprint do use the same cdma networks but will not activate each others devices on their network so the answer is no I do not think this is going to be possible for you.
alekurkudi said:
Verizon and Sprint do use the same cdma networks but will not activate each others devices on their network so the answer is no I do not think this is going to be possible for you.
Click to expand...
Click to collapse
Well I did talk to Sprint, and Sprint said they would be willing to activate an unlocked Galaxy. It's just the unlocking process that I am unsure of.

I9300 on T-Mobile?

Ok fellas, now before I ask my question, I just rant to let you know I've been a member here for quite a while, and the reason I have such a low post count is because I always do my reading before I waste someone's time.
In this case, all the posts I've read are old and outdated, and none of them provide a solid answer.
So my question here is...can the I9300 get H+ or 4g on T-Mobile network now? I've read first that NO the phone doesn't support their 4g band and never will because it lacks the hardware, that I totally understand, just like the cdma gs3 cannot do the same.
Now with that being said, I've also seen threads saying T-Mobile is adding a new band to support their byop program for people with unlocked phones.
All these I had read had old days on them with the most recent one on Feb 2013.
So does anyone have a straight answer for me?
I have a customer that brought me her fried T-Mobile gs3 and basically I kept get LCD A's transplanted it into a spare i9300 that my girlfriend brought me from Hong Kong.
I know the phone doesn't support LTE and that's fine, it's the 4g/H+ I'm concerned about, and if its possible what has to be done? New modem flash? Custom Rom?
Any help or info is greatly appreciated. ^_^
Sent from my Rooted/unlocked/flashed SAMSUNG SGH-I747 using XDA Premium 4 Mobile App
Not seen anything posted .
As TMobile have now merged with Orange possible its under the new EE brand .

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