Question Concerning Carrier and Firmware - E 2015 Q&A, Help & Troubleshooting

If someone could answer a question, i would be grateful. Is there a way, say like on a sprint xt1526, to flash it over to boost mobile using the stock firmware that is provided by motorola? Or is there some built in software/hardware restriction where you cannot do that? I just curious, because boost mobile offers more data for a better price, and that is who i would like to switch to. Im sorry if this is a silly question, i was thinking it might have the potential to work, seeing as how sprint and boost operate off of the same towers. Like i said before, if anybody could shed some light or information this subject, it would be greatly appreciated!

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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.
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Click to collapse
there is the one that wal-mart sells that you could look into

[Q] question U.S. sim version

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!

Unlocking GSM / SIM for us carriers

In reference to THIS thread about unlocking the GSM to enable the use of a sim card from a US carrier, I was wondering if the phone works exactly the same once I actually switch it to GSM (mainly data) and does it depend on which carrier I switch to. I wonder which one would work best with this phone.
Well anyway I tried reading into the steps to make sure I understood before I even begin to tamper with it but im still unsure and nowhere near tech savvy and im sure I will find a way to screw it up. I was wondering if anyone can :fingers-crossed: OH SO KINDLY!! walk me through these steps or at least the parts I have major trouble with.. I would appreciate it.
I HOPE IM NOT ASKING FOR TOO MUCH.!! Any help at all would be appreciated. Thanks in advance.
RunningRebel said:
In reference to THIS thread about unlocking the GSM to enable the use of a sim card from a US carrier, I was wondering if the phone works exactly the same once I actually switch it to GSM (mainly data) and does it depend on which carrier I switch to. I wonder which one would work best with this phone.
Well anyway I tried reading into the steps to make sure I understood before I even begin to tamper with it but im still unsure and nowhere near tech savvy and im sure I will find a way to screw it up. I was wondering if anyone can :fingers-crossed: OH SO KINDLY!! walk me through these steps or at least the parts I have major trouble with.. I would appreciate it.
I HOPE IM NOT ASKING FOR TOO MUCH.!! Any help at all would be appreciated. Thanks in advance.
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Click to collapse
there are many threads on how to do this.. more than one and its not that hard... root,, unlock, and then flash japanese radio. If you have new 2.3.5 firmware you are out of luck until someone figures out how to unlock the bootloader. Bootloader MUST be unlocked before you can flash japanese radio.
How do I know which firmware I have?
What about data, will it work with an unlimited everything plan?
RunningRebel said:
How do I know which firmware I have?
What about data, will it work with an unlimited everything plan?
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Settings, about phone, android version.
And yes, everything should work just fine. Only thing is I heard there is something wrong with using it on t mobile. Something about 3g I think.
Sent from my MB855 using xda app-developers app

[Q] How to flash MDRM to Sprint?

I know, I know... WHY SPRINT???
I'm locked into a contract.
Not very glamorous, right?
Anyhow, I acquired a Verizon Droid Razr Maxx and want to use it on Sprint. How can I do this?
I know the MDRM is dual band and has a radio with CDMA 1900 (which is what Sprint runs on) so it should be doable, right?
I really don't feel like forking over the phone and cash to Shady-Person-on-Craigslist or Shifty-Eyes-Guy-Behind-the-Bullet-Proof-Gas-Station-Window.
I'm curious about this myself. I have been looking around with some mixed info on the subject. Some people say yes some no. But noone says how or why. Any one with a definitive answer and a technical why not? It seems clear the phone supports it from a hardware perspective. What would be the limitation besides the obvious software/firmware imposed reason?

[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.
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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.

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