Develop Bugs

Is possible unlock Samsung Galaxy S III Sprint?

Hi, i wanna buy a Samsung Galaxy S III Sprint for use in GSM, is possible unlock?
i wait your response. Thanks .

Or flash it to Virgin Mobile,Cricket or Boost?

The Sprint Galaxy S3 works only in CDMA networks... Not GSM.
Yes, it can be flashed to Boost, Cricket, MetroPCS, Virgin Mobile.
Sent from my SPH-D710 using Xparent ICS Blue Tapatalk 2

lviv73 said:
Or flash it to Virgin Mobile,Cricket or Boost?
Click to expand...
Click to collapse
Yes! Just give it some time
Sent from my SPH-L710 using xda app-developers app

Thanks for your reponses. I think what is possible unlock because is the same hardware? or not.

jamcar said:
Yes! Just give it some time
Sent from my SPH-L710 using xda app-developers app
Click to expand...
Click to collapse
Yeah someone definitively needs to post a tutorial i will donate $10 for tutorial.

Head over to usgalaxys3.com. The owner of that site has already posted instructions to flash it to Cricket.
I'm in no way affiliated with that site, just sharing where I saw the instructions.
Sent from my SPH-D710 using Xparent ICS Blue Tapatalk 2

AlpineMan said:
Head over to usgalaxys3.com. The owner of that site has already posted instructions to flash it to Cricket.
I'm in no way affiliated with that site, just sharing where I saw the instructions.
Sent from my SPH-D710 using Xparent ICS Blue Tapatalk 2
Click to expand...
Click to collapse
Any Virgin Mobile instructions,they are the cheapest and run on Sprint's network?

Hardware isnt the same radio gpu and professor is different

master acehole said:
Hardware isnt the same radio gpu and professor is different
Click to expand...
Click to collapse
Hardware doesnt matter,i already flashed original Epic and Epic Touch to Virgin Mobile.

lviv73 said:
Hardware doesnt matter,i already flashed original Epic and Epic Touch to Virgin Mobile.
Click to expand...
Click to collapse
The radio hardware matters, it has to be compatible with 1900 mhz Sprint PCS band. But the other things like GPU don't matter. lol

Ascertion said:
The radio hardware matters, it has to be compatible with 1900 mhz Sprint PCS band. But the other things like GPU don't matter. lol
Click to expand...
Click to collapse
Virgin uses Sprint towers so band is the same.

Anyone know how to flash Sprint GS3 to Virgin? Or will Epic Touch method work with GS3?

lviv73 said:
Hardware doesnt matter,i already flashed original Epic and Epic Touch to Virgin Mobile.
Click to expand...
Click to collapse
hey, how do you do that? could you give some instructions or links to page(s) that might be useful? newbie here thinking about getting a Sprint S2 to replace Motorola Triumph, getting tired of lags/freezes
thanks.

How's the virgin network?regarding voice/data do you get better download speeds then sprints crappy service.
I'm in the southern new england area
Sent from my SPH-L710 using Tapatalk 2

Thread hijack to the hightest level lmao only 3 post are completly relavant to OP :/
Bottomline - You cannot use GSM phone on a CDMA network unless it is a global phone and supports both GSM and CDMA as well as the frequencies of the carrier you intend to use.

That is an obvious spam post. Please people, there are no exceptions... you CANNOT take a Sprint or Verizon phone and unlock it to be used on ANY service that is GSM or uses a SIM card. Period. The unlock sites will just take your money. World band phones will already be unlocked for use on European GSM networks most of the time so no unlock code is needed overseas.
Sent from my SPH-L710 using xda app-developers app

namopereht said:
That is an obvious spam post. Please people, there are no exceptions... you CANNOT take a Sprint or Verizon phone and unlock it to be used on ANY service that is GSM or uses a SIM card. Period. The unlock sites will just take your money. World band phones will already be unlocked for use on European GSM networks most of the time so no unlock code is needed overseas.
Sent from my SPH-L710 using xda app-developers app
Click to expand...
Click to collapse
You can flash it to another carrier though.

Not if the carrier is GSM or uses a SIM card. There is no possibility. Whatsoever. And unless you know a network level technician on verizon, you are limited to the smaller regional carriers and prepaid services to flash a Sprint phone. And vice versa for a Verizon phone. They will not connect a phone that does not already have its ESN already in its system.
Sent from my SPH-L710 using xda app-developers app

namopereht said:
Not if the carrier is GSM or uses a SIM card. There is no possibility. Whatsoever. And unless you know a network level technician on verizon, you are limited to the smaller regional carriers and prepaid services to flash a Sprint phone. And vice versa for a Verizon phone. They will not connect a phone that does not already have its ESN already in its system.
Sent from my SPH-L710 using xda app-developers app
Click to expand...
Click to collapse
Its common knowledge about gsm and cdma,if you dont know what these are then you have no business flashing carriers.
Sprint phones can be flashed to almost all prepaid carriers,overseas cdma is less common however there are ways out there to even flash cdma phone to their carriers.My father in Ukraine had his Epic 4g flashed to a carrier that uses sim cards,so there are ways even overseas.I think some overseas carriers use both cdma and gsm.

T-Mobile / Simple Mobile / Galaxy S3 ?

Until recently I have been with Sprint. And I am located in South Florida.
I am considering going with Simple Mobile as I'm told that T-Mobile has one of the best data speeds in this area. And I want to get a Galaxy S3 as the phone to use with this service.
Can anyone here advise as to whether this would work with Simple Mobile (I called them but they won't say anything only that they don't don't support it - meaning they don't sell it so don't bother them), at what speeds?
I also assume that I must get the T-Mobile version of this phone. That seems quite difficult unless I want to pay a big premium to T-Mobile, who charges much more than say AT&T for their version. So if anyone has any suggestions where I can get one (I would prefer a store, not eBay)?
Thanks

try the xda marketplace
edit: nvm just saw you dont have enough posts.

I read that the Sprint variant of the S3 would work on T-Mobile. You just have to unlock the phone I believe.
Sent from my S3

I remember negri sells the phone for $599 unlocked. That's the cheapest I've seen for the TMobile version. It's not cheaper by much but it's unlocked and you may save on taxes.
http://negrielectronics.com/catalogsearch/result/?q=t999#.UDfVdr3n_Fo
Sent from my SPH-L710 using Tapatalk 2

AttachedSilver said:
I read that the Sprint variant of the S3 would work on T-Mobile. You just have to unlock the phone I believe.
Sent from my S3
Click to expand...
Click to collapse
Sprint is cdma and T-Mobile is GSM. How are you going to stick a sim card in that sprint phone?
Sent from my SPH-D710 using xda app-developers app

My wife is using it on Simple Mobile. It works great.

Simple Mobile is a Mvno of t-mobile so you don't need to have an unlocked T999. Just change the apn. A's far as speeds. I live in Central Florida and I get the same speeds as t-mobile. I recommended. As far as where to buy the phone. I went to t-mobile and paid $599 for it. Haven't really seen it cheaper.
Sent from my SGH-T999 using XDA Premium HD app

brooksyx said:
Sprint is cdma and T-Mobile is GSM. How are you going to stick a sim card in that sprint phone?
Sent from my SPH-D710 using xda app-developers app
Click to expand...
Click to collapse
It's a world phone, my friends HTC Rezound is on Verizon which is CDMA but works on ATT
Sent from my S3

AttachedSilver said:
It's a world phone, my friends HTC Rezound is on Verizon which is CDMA but works on ATT
Sent from my S3
Click to expand...
Click to collapse
The Sprint version does not have the AWS bands that T-Mobile requires.

joshnichols189 said:
The Sprint version does not have the AWS bands that T-Mobile requires.
Click to expand...
Click to collapse
Not to mention the Sprint sim slot is sealed and inaccessible.

AttachedSilver said:
It's a world phone, my friends HTC Rezound is on Verizon which is CDMA but works on ATT
Sent from my S3
Click to expand...
Click to collapse
You didn't answer my question, how are you going to put a sim card in it. The sprint galaxy siii does not have a sim slot...
Sent from my SPH-D710 using xda app-developers app

Also for Data?
Will it work for all the difference data protocols, and 2G, 3G, 4G?
AttachedSilver said:
I read that the Sprint variant of the S3 would work on T-Mobile. You just have to unlock the phone I believe.
Sent from my S3
Click to expand...
Click to collapse

Which phone is she using?
What plan (40, 50, 60) does she have? What data speeds is she getting?
tengtengvn said:
My wife is using it on Simple Mobile. It works great.
Click to expand...
Click to collapse

sun365 said:
Will it work for all the difference data protocols, and 2G, 3G, 4G?
Click to expand...
Click to collapse
No. It doesn't have the AWS bands that T-Mobile requires. And they don't have "4G".
Sent from my SGH-T999

brooksyx said:
You didn't answer my question, how are you going to put a sim card in it. The sprint galaxy siii does not have a sim slot...
Sent from my SPH-D710 using xda app-developers app
Click to expand...
Click to collapse
It does have a sim slot but it's not user accessible.
It's hidden behind the plastic under the battery.
Sprint has taken this approach with all there LTE devices.
The only exception may be the Photon Q since it's touted as being a global device.

five40 said:
It does have a sim slot but it's not user accessible.
It's hidden behind the plastic under the battery.
Sprint has taken this approach with all there LTE devices.
The only exception may be the Photon Q since it's touted as being a global device.
Click to expand...
Click to collapse
There is no sim slot. There is an embedded lte chip in there but no slot.
Sent from my SPH-L710 using Tapatalk 2

tengtengvn said:
My wife is using it on Simple Mobile. It works great.
Click to expand...
Click to collapse
So she did get 4G from simple mobile or only edge speed?
Also did she get MMS problem? I saw someone open a thread says he have MMS issue. (http://forum.xda-developers.com/showthread.php?t=1791451)

[Question] Data plan of Tmobile on Att's unlock phone?

Hi, i'm buying a Samsung galaxy s3, and i worry about bad ESN phone that i can't use on my tmobile account.
For that reason, i think i will pay for a s3 ATT ( if ATT s3 is a bad ESN phone than i still can unlock and use it with my tmobile account, right? )
But i hear someone said that if i use a unlock ATT phone then tmobile data plan won't work on that att phone. I don't know if this is correct information or not.
Can someone help me out?
Thank you very much.
Also Is there anyone to avoid bad esn phone on craiglists?
Furthermore, is there anyone to buy a bad ESN Tmobile phone, and somehow i can use it with tmobile ?

Once its been blacklisted it will not work with that specific carrier. If you want to buy one off craigslist...have the seller meet you at a at&t store or T-Mobile and have the rep check if the imei for you. If the seller is unwilling to do that...don't trust it.
Sent from my SGH-I747 using xda premium

defnow said:
Once its been blacklisted it will not work with that specific carrier. If you want to buy one off craigslist...have the seller meet you at a at&t store or T-Mobile and have the rep check if the imei for you. If the seller is unwilling to do that...don't trust it.
Sent from my SGH-I747 using xda premium
Click to expand...
Click to collapse
I hear some story that the phone is good at the time people trade phones. However after 1 month, it become a bad ESN phone.
If Tmobile rep check the phone for me, will it avoid that situation?

kingkard said:
I hear some story that the phone is good at the time people trade phones. However after 1 month, it become a bad ESN phone.
If Tmobile rep check the phone for me, will it avoid that situation?
Click to expand...
Click to collapse
honestly, even if the tmobile check, the imei will still be good during the transaction. it isn't until the seller contacts asurion which will most likely be a couple days later to report it lost or stolen. Im not sure how this can be prevented. Some people suggest to call t-mobile have the imei registered to your account right away, or even to leave a note on your account for it. But most likely asurion is the one who are blacklisting the phones not t-mobile.

This isn't CDMA. ESN phones are no good the moment they are determined that they are stolen or tied to account with a over due balance. On the other hand. GSM phones usually don't get blacklisted. And even if it is blacklisted it is only blacklisted to its specific carrier. So you shouldn't have a problem bringing the phone to T-Mobile.
Sent from my SAMSUNG-SGH-I747 using xda premium

Sound right.
Furthermore, may I ask if i buy a ATT S3 to unlock and use it with Tmobile, will Tmobile data plan work on S3 ATT phone?
i c some thread said that it won't work, or it won't function fully. is that true?

kingkard said:
Sound right.
Furthermore, may I ask if i buy a ATT S3 to unlock and use it with Tmobile, will Tmobile data plan work on S3 ATT phone?
i c some thread said that it won't work, or it won't function fully. is that true?
Click to expand...
Click to collapse
You'll get 3G with T-Mobile. It will work.
Sent from my SGH-I747 using xda premium

defnow said:
You'll get 3G with T-Mobile. It will work.
Sent from my SGH-I747 using xda premium
Click to expand...
Click to collapse
Is that just 3G or HSPA+ ? I was thinking the same thing ?
Sent from my SAMSUNG-SGH-I747 using xda premium

You will not get 3G. If I am correct you will only pick up EDGE data since the networks run on different bands and AT&T phones are set to run on AT&T bands and not T-Mobile.
Sent from my SAMSUNG-SGH-I747 using xda premium

Swaggernaut said:
You will not get 3G. If I am correct you will only pick up EDGE data since the networks run on different bands and AT&T phones are set to run on AT&T bands and not T-Mobile.
Sent from my SAMSUNG-SGH-I747 using xda premium
Click to expand...
Click to collapse
Is there a way you can modify a band settings software wise, in order to work with TMO 4g prepaid plan? I have an i747 ATT unlocked and would like to use with TMO next month. Thanks for your input.

That I am aware of no. There is thread started on here were there is a bounty to get it working, but it seems like it is not going to work.

iali76 said:
Is there a way you can modify a band settings software wise, in order to work with TMO 4g prepaid plan? I have an i747 ATT unlocked and would like to use with TMO next month. Thanks for your input.
Click to expand...
Click to collapse
I juts bought an unlocked AT&T S3 today and i am using T-Mobiles prepaid plan. So far i have been getting 4G in some places but EDGE mostly and i want to know what can be done about this. Im thinking of selling or trading this phone for a T-Mobile unlocked version. If there is anything else that can be done about this do let me know.

4G data on an ATT GS3

Hi
So long story short, my Tmo GS3 got stolen at my work :/
So my mom gave me her ATT GS3 cus she was up for an upgrade,
i been reading its possible to get 4G on an ATT GS3 but so far no luck,
i know i have the right APN cus i copied the one from my Nex4 to my GS3, i set the network to manual and choose Tmo, but still all i get is Edge.
Does it have to do something with the way i unlocked the phone?
I been reading it has to be factory unlock and i unlocked mine by dialing *#197328640# and doing the required steps.
Can anyone help me with this?

Maybe you should try posting in the ATT S3 forums? I'm pretty sure that most people here have the TMO variant, while you are looking for tweaking of the ATT variant.
Sent from my SGH-T999 using Tapatalk 2

klin1344 said:
Maybe you should try posting in the ATT S3 forums? I'm pretty sure that most people here have the TMO variant, while you are looking for tweaking of the ATT variant.
Sent from my SGH-T999 using Tapatalk 2
Click to expand...
Click to collapse
hahahah good idea XD
thanks bro

Also if you havent already tryed flash the tmobile modem and ur att gs3 is unlocked?
Sent from my SGH-T999 using xda app-developers app

deron37129 said:
Also if you havent already tryed flash the tmobile modem and ur att gs3 is unlocked?
Sent from my SGH-T999 using xda app-developers app
Click to expand...
Click to collapse
Nop my galaxy is not rooted. And yes it is unlocked but with the method i said not with unlock code.
Sent from my Nexus 4 using xda app-developers app

Don't flash a T-Mobile modem, it will brick. T-Mobile and AT&T use different frequencies for hspa+ in most places, and the AT&T version doesn't have the hardware to pick up the most used T-Mobile frequency I believe. So you're probably stuck with edge
Sent from my SGH-T999 using Tapatalk 2

I'm stuck on edge too buddy....
orphan22 said:
Hi
So long story short, my Tmo GS3 got stolen at my work :/
So my mom gave me her ATT GS3 cus she was up for an upgrade,
i been reading its possible to get 4G on an ATT GS3 but so far no luck,
i know i have the right APN cus i copied the one from my Nex4 to my GS3, i set the network to manual and choose Tmo, but still all i get is Edge.
Does it have to do something with the way i unlocked the phone?
I been reading it has to be factory unlock and i unlocked mine by dialing *#197328640# and doing the required steps.
Can anyone help me with this?
Click to expand...
Click to collapse
You ARE stuck on edge.... I know it sucks. unless you are in a refarming area http://www.airportal.de/ , (major cities) your AT&T S3 1900/2100Mhz high speed data (4G) band will not work on T-Mobile's 1700/2100Mhz networks. I would sell it on e-bay or craigslist and got your T-mobile S3 again. or get the T-Mobile S4 after you sell your att S3 :cyclops:

[Q] Change S4 from T mobile to Verizon towers

Hello all.
As you can see by my name, Im'a Noob! i have a good understanding of computers and cell phones and can follow directions well but have not attempted anything like this so....
Here's the deal, Today i went to Wal-mart to get a new phone for my wife. I decided on the T mobile Samsung galaxy S 4 (on the Wal-mart family plan $40 a month unlimited) . unfortunately, it apparently does not get signal at my house. What i desire to do is move it to straight talk. because Verizon does have signal at my house. So from this point, is there any way to get this Galaxy S4 to see the Verizon towers and work on the Straight talk network using those Verizon towers? And If So, Can someone please post the step by step instructions (without assuming that i know what a jailbreak or unlocking is) so that i can make my wife happy.
Please and Thank you in advance for all your responses and help!!
Im'a Noob

No
Sent from my SAMSUNG-SGH-I337 using xda premium

no?
ktetreault14 said:
No
Sent from my SAMSUNG-SGH-I337 using xda premium
Click to expand...
Click to collapse
No it can't be done, or no you won't help me?

Im'a noob said:
No it can't be done, or no you won't help me?
Click to expand...
Click to collapse
Can't be done

Can't be done. T-Mobile is GSM, Verizon is CDMA, incompatible networks.
Straight Talk resells service for the major carriers but for Sprint and Verizon, who are CDMA carriers/networks, you have to get phones compatible with CDMA to use on Straight Talk and vice versa for T-Mobile and AT&T.

ok how about this
LordLugard said:
Can't be done. T-Mobile is GSM, Verizon is CDMA, incompatible networks.
Straight Talk resells service for the major carriers but for Sprint and Verizon, who are CDMA carriers/networks, you have to get phones compatible with CDMA to use on Straight Talk and vice versa for T-Mobile and AT&T.
Click to expand...
Click to collapse
What if i unlock the phone, then get an At&t phone activated on the straight talk network and put its sim card in the Galaxy s4? would that make the s4 work on the straight talk network?
thanks again for all your help

Im'a noob said:
What if i unlock the phone, then get an At&t phone activated on the straight talk network and put its sim card in the Galaxy s4? would that make the s4 work on the straight talk network?
thanks again for all your help
Click to expand...
Click to collapse
Noooooooooo
Sent from Flip's Galaxy S4

i saw it in this thread
elflip88 said:
Noooooooooo
Sent from Flip's Galaxy S4
Click to expand...
Click to collapse
http://forum.xda-developers.com/showthread.php?t=2283068&highlight=verizon
they said if you unlock it and put an at&t sim in it then the phone worked?

The only solution is to sell it ... let me know how much you want for it I might buy it if the price is right
Sent from my SGH-T999 using xda premium

sell it?
Romcrazguy said:
The only solution is to sell it ... let me know how much you want for it I might buy it if the price is right
Sent from my SGH-T999 using xda premium
Click to expand...
Click to collapse
i paid $650 for it today... no one is going to pay me that...i cant see selling it just yet, im sure there is a solution. Or will be soon enough

Have you tried the Wi-Fi calling option while at home? Assuming you have Wi-Fi at home...
Sent from my HTC One using xda app-developers app

no ur only solution it not to sell it all you need to do is get a straight talk or a net10 sim card and pop it in the phone and than ur in business you need to update the apn settings for the phone to work..... straight talk and net10 run off of att towers so if att gets service where you live ur gonna be good..... these other people don't know what they're talking about... it has been done and it can be done
Sent from my HTC One using xda premium
---------- Post added at 07:47 PM ---------- Previous post was at 07:44 PM ----------
if you can't get a net10 sim card that runs off att I have several of them and I'll sell you one cheaper than the stores have
Sent from my HTC One using xda premium

Romcrazguy said:
The only solution is to sell it ... let me know how much you want for it I might buy it if the price is right
Sent from my SGH-T999 using xda premium
Click to expand...
Click to collapse
Neither the T-Mobile nor AT&T variant will work on Verizon. Period. There isn't an unlock you can do, no ROM you can flash, no special code you can put in to change that fact.
For ST or Net10 to use the Verizon towers you need a CDMA phone, which the M1919 S4 is not. As was mentioned in the post above mine, you DO have the option to run off of T-Mobile or AT&T networks either through the respective carriers or use those towers via Net10 or Straight Talk; but using the Verizon towers in any way is impossible with the particular device you purchased.

Im'a noob said:
Hello all.
As you can see by my name, Im'a Noob! i have a good understanding of computers and cell phones and can follow directions well but have not attempted anything like this so....
Here's the deal, Today i went to Wal-mart to get a new phone for my wife. I decided on the T mobile Samsung galaxy S 4 (on the Wal-mart family plan $40 a month unlimited) . unfortunately, it apparently does not get signal at my house. What i desire to do is move it to straight talk. because Verizon does have signal at my house. So from this point, is there any way to get this Galaxy S4 to see the Verizon towers and work on the Straight talk network using those Verizon towers? And If So, Can someone please post the step by step instructions (without assuming that i know what a jailbreak or unlocking is) so that i can make my wife happy.
Please and Thank you in advance for all your responses and help!!
Im'a Noob
Click to expand...
Click to collapse
Its a hardware issue think of it this way its like using an AMD motherboard with an Intel processor they just don't fit together.

Im'a noob said:
i paid $650 for it today... no one is going to pay me that...i cant see selling it just yet, im sure there is a solution. Or will be soon enough
Click to expand...
Click to collapse
Where'd you buy it? I bought mine from TMO and was told I can return it within 30 days for a full refund. As others have posted, you can't do what you want with that phone, period.
Edit: Reread your original post. If you have to have Verizon then the phone you bought won't work. Just like a AM radio won't pick up FM stations. It's that simple. Take it back to Walmart and get a refund. BUT, if you can live with using T-mobile away from home and have wifi at home you can get a T-Mobile plan and use wifi calling and internet access at home, and the TMO network elsewhere. You want to use wifi at home anyway because it doesn't count towards data or calling usage. It's all seamless, so there's no problem using it that way.

Dude seriously I find it hard to believe you don't have Wi-Fi in your home. Because if you do, your problems are solved. Your phone supports Wi-Fi calling and messaging (SMS/MMS). This is why I switched to T mobile.

Im'a noob said:
Hello all.
As you can see by my name, Im'a Noob! i have a good understanding of computers and cell phones and can follow directions well but have not attempted anything like this so....
Here's the deal, Today i went to Wal-mart to get a new phone for my wife. I decided on the T mobile Samsung galaxy S 4 (on the Wal-mart family plan $40 a month unlimited) . unfortunately, it apparently does not get signal at my house. What i desire to do is move it to straight talk. because Verizon does have signal at my house. So from this point, is there any way to get this Galaxy S4 to see the Verizon towers and work on the Straight talk network using those Verizon towers? And If So, Can someone please post the step by step instructions (without assuming that i know what a jailbreak or unlocking is) so that i can make my wife happy.
Please and Thank you in advance for all your responses and help!!
Im'a Noob
Click to expand...
Click to collapse
You can sim unlock then activate with at&T but the signal won't work well all because every carrier use different frequency bandwidth it won't be the same
Sent from my SGH-M919 using xda premium

Im'a noob said:
i paid $650 for it today... no one is going to pay me that...i cant see selling it just yet, im sure there is a solution. Or will be soon enough
Click to expand...
Click to collapse
And when you see this magical fix, let me know...in fact wondering minds wanna know.

Im'a noob said:
i paid $650 for it today... no one is going to pay me that...i cant see selling it just yet, im sure there is a solution. Or will be soon enough
Click to expand...
Click to collapse
If you say you paid $650 for it today, then why not return it for a refund if you don't get TMobile service at your house? Why are you suffering yourself all this turmoil?

ferlogan said:
You can sim unlock then activate with at&T but the signal won't work well all because every carrier use different frequency bandwidth it won't be the same
Sent from my SGH-M919 using xda premium
Click to expand...
Click to collapse
Correct me if I'm wrong, but I do believe the AT&T and T-Mobile variations are able to pick up 100% of each other's bands so this argument is invalid.