cmda unlocked for verizon? - Galaxy S II Q&A, Help & Troubleshooting

I want this phone in the worst way to replace my cracked Droid x2. however there is zero chance I will be able to leave Verizon soon. is there anyway to get this phone to work on my existing Verizon plan. If I buy a unlocked cdma version of the phone?
thanks in advance.
Sent from cm9 x2

The i9100 is not a CMDA phone so it will never work on Verizon. Biggest problem about Verizon for me (reason why I changed to AT&T) is that verizon phones only work for verizon phones and no other phones will work on Verizon, even sprint phones. ( I have heard some people had success from sprint to verizon, although ive never seen any proof)

I thought the us cellular and sprint S 2s used cdma. from what I can find on the internet its compatible with Verizon when unlocked but they wont activate it because of the esn.
Sent from cm9 x2

I coudnt find dif forums for GSM and cdma s2's so i posted here.
Sent from cm9 x2

Hardware wise, it may work, (unsure) but Verizon needs to add the MEID into their database to activate the phone, which is something they will not do. So, no unlocked phones will work on Verizon unless its a phone made for Verizon.

could I swap either that or the esn on the s2 with my cracked x2 and activate it that's way. I'm already paying for the contract I just wanna activate the s2 and abandon my x2. not try and have two phones working simultaneously
Sent from cm9 x2

carter_e said:
I thought the us cellular and sprint S 2s used cdma. from what I can find on the internet its compatible with Verizon when unlocked but they wont activate it because of the esn.
Sent from cm9 x2
Click to expand...
Click to collapse
US Cellular's Galaxy S2 variant is the SCH-R760, and the Sprint variant (aka the Epic 4G Touch) is the SPH-D710. Both are CDMA phones.
This is the forum for the I9100. A different phone, which is a GSM phone.
You'd be better off asking your questions in the Epic 4g Touch forum. The US Cellular variant is not quite the same, but there are many similarities, and that forum is more appropriate.

Related

[Q] Q on Galaxy S II Epic carrier locked?

Hope I am in the correct forum, but have a question regarding the Sprint "Samsung Galaxy S™ ll, Epic™ 4G Touch".
I do not use Sprint, but am under the impression they do not use SIM cards. My question is simple, can this phone from Sprint (Galaxy S II) be used with any other carrier like AT&T? Long story short I have the opportunity to get one of these phones, but my contract is with AT&T.
ssa2204 said:
Hope I am in the correct forum, but have a question regarding the Sprint "Samsung Galaxy S™ ll, Epic™ 4G Touch".
I do not use Sprint, but am under the impression they do not use SIM cards. My question is simple, can this phone from Sprint (Galaxy S II) be used with any other carrier like AT&T? Long story short I have the opportunity to get one of these phones, but my contract is with AT&T.
Click to expand...
Click to collapse
Probably not. EDIT TO ADD: Sprint is a CDMA voice network. AT&T is a GSM voice network. You'll never be able to get voice on one network with a phone from the other carrier because of this.
And the Epic 4G Touch has its own forum. This is the forum for the GT-i9100. Different phone from the Epic 4G Touch.
FYI though, the GT-i9100 DOES work on AT&T - I have one, and am on AT&T.

LTE & MetroPCS or TMobile

I want to buy a Droid Razr but I'm on TMo. I've been on TMo for ten years and do not want to change.
Thing is, the Razr does not have 1700 MHz, so I will never get 3G on TMo. I understand there is a new thing called "voice over LTE". MetroPCS is supposed to have it, and they're about to merge with TMo.
Maybe this is a way I could get voice, data, and SMS with the Droid Razr on TMo or MetroPCS? If this would be possible, which Razr should I buy? Will the 4.3" screen be possible? This seems like the best balance of screen size to me. And I'll want to run MIUI.
Metro pcs and tmobile are doing a reverse merger were metropcs buys tmobile but tmobile will control the company but dutch telecom will control all of it since they own tmobile
Sent from my DROID RAZR using Tapatalk 2
Actually it's TMobile that's doing the deal, and it's structured as a reverse merger.
And TMobile is owned by Deutsche (German) Telecom, not Dutch.
But this has nothing to do with my technical questions. Does anyone know my technical questions?
Quantumstate said:
Actually it's TMobile that's doing the deal, and it's structured as a reverse merger.
And TMobile is owned by Deutsche (German) Telecom, not Dutch.
But this has nothing to do with my technical questions. Does anyone know my technical questions?
Click to expand...
Click to collapse
in 2015 the metro pcs network will be shut down. right their that answers your question. Go with tmobile. But legally metro is buying tmobile with tmobile money. you say ketchup i say catchup
Since no one here knows, I'll pass along what I've found out.
The Droid Razr (all versions, including M, Maxx, & HD) actually has two radios: CDMA and GSM. It's sold only for Verizon (CDMA), but with the ICS upgrade the GSM radio has been turned on. This makes it possible to use this phone worldwide, including in the US.
So this phone can be used with AT&T and TMobile. However it does not have 1700MHz so can not do 3G with TMo, only with AT&T. Newer models do have LTE at 700MHz (Verizon only).
TMo has recently lost 700,000 subscribers because it can not accommodate the iPhone, and so it is now scrambling to put together a system that can either get 3G on standard frequencies, or LTE. Verizon owns 700MHz, so I don't know how they are going to do this.

[Q] Difference between KDDI-stock and Sprint flashed with KDDI radio?

Just wondering, because I have a Japanese model. I was originally quite fine with using GSM providers, however, now I've moved to a place where Verizon performs significantly better than AT&T and there aren't any other choices as far as I can see (MVNOs aside, but the problem I have with AT&T is with signal, and an MVNO isn't going to help with that). Now I want to switch to Verizon, and I'm wondering if the advice provided to the others with KDDI radios on Sprint Photons would also be the same for a plain old KDDI Photon.
verizon uses cdma and keeps a database of their cdma phones. Thus they dont allow phones on their network that arent already in their database (i.e. they wont allow non-verizon phones). Sprint is the same way.
The only caveat to this is roaming. They will allow non-verizon phones to roam their network as part of roaming agreements with other carriers. You just wont be able to use verizon as your carrier.
OK, then what of a Verizon MVNO, like Page Plus? That seems like it should be OK, from some of what I've read, as long as no one's blacklisted my phone's MEID (it's my first time bringing it to the US, so that shouldn't be an issue).
yangj08 said:
OK, then what of a Verizon MVNO, like Page Plus?
Click to expand...
Click to collapse
Although pageplus does allow "bring your own phone", I dont know if they accept non-verizon phones. you will have to ask them.
findthedr said:
Although pageplus does allow "bring your own phone", I dont know if they accept non-verizon phones. you will have to ask them.
Click to expand...
Click to collapse
Page plus will take anything, sprint phones, verizon phones, any cdma phone for the most part that arent blacklisted. Might even take blacklisted sprint phones, just no blacklisted verizon phones.
Ooh, sounds good. In that case it seems like I just need to figure out how to flash in the right settings. All I remember is that someone else wrote in one of the KDDI radio threads that data doesn't work, but voice+text does.

Does GSM Work As Well As Any Other GSM Phone?

Hey folks,
I have someone interested in buying my phone. They're on AT&T though (I'm on Verizon). I'm rooted with a custom rom, so I told them it works on AT&T, since I know you can load GSM radios and stuff. I just want to make sure I'm not lying or stretching the truth. Is there any limitations to the GSM? Is it missing any AT&T bands that most AT&T phones come with? Is it slower or have lower call quality or anything like that? Anything I should forewarn them about?
Thanks!!!!
I am using my DNA on AT&T. Everything works just fine. I don't know what Rom you have flashed but some of us GSM guys have or had problems with mms. Sometimes the way to fix it is to install a 3rd party text program. Also, we can't get LTE since the DNA doesn't support AT&T's LTE bands but it does get 3G just fine.
Sent from my HTC Droid DNA using Tapatalk

[Q] Have a tmob s4 version thinking of moving to Verizon

Long story short my work has offered me cell phone service but they only have Verizon or ATT.
I have a tmob s4 ... rooted and custom rom. Are the phones "essentially" the same so with a kernel and modem would I be good on Verizon?
Any caveats to be concerned with? its been probably 8 years since I had a Verizon plan but it does offer better coverage than ATT in the places I need...
thansks!
Razzzzer said:
Long story short my work has offered me cell phone service but they only have Verizon or ATT.
I have a tmob s4 ... rooted and custom rom. Are the phones "essentially" the same so with a kernel and modem would I be good on Verizon?
Any caveats to be concerned with? its been probably 8 years since I had a Verizon plan but it does offer better coverage than ATT in the places I need...
thansks!
Click to expand...
Click to collapse
Only the Verizon S4 will work with Verizon, you'll need to go to ATT.
Oishikatta said:
Only the Verizon S4 will work with Verizon, you'll need to go to ATT.
Click to expand...
Click to collapse
I see others that have used the Verizon s4 on Tmob so not sure why the reverse wouldn't be true... ill research more but I am finding that all the s4 hardware is the same... only software differences.. (possible that its not possible to get the Verizon software on the phone the hardware should be the same)...
maybe get some more input
Razzzzer said:
I see others that have used the Verizon s4 on Tmob so not sure why the reverse wouldn't be true... ill research more but I am finding that all the s4 hardware is the same... only software differences.. (possible that its not possible to get the Verizon software on the phone the hardware should be the same)...
maybe get some more input
Click to expand...
Click to collapse
I don't know where you're researching, but the S4 definitely has hardware differences.
Verizon is what's called a "CDMA" carrier. Their S4 includes hardware that can connect to both their CDMA and others' GSM networks.
T-Mobile has a GSM network. Their S4 includes only the GSM hardware, there is no possibility of using it with a CDMA carrier.
Most variations of the S4 also have slightly different sets of "bands" that they can connect to, so the speed you get will vary depending on both the network type and your S4's type. However, the S4 should be able to get at least 2G on any GSM network. Verizon's S4 has the widest possible area of use, because it includes both CDMA and GSM. It can be used on T-Mobile or ATT, but their S4s cannot be used on Verizon entirely because of the hardware differences.
Oishikatta said:
I don't know where you're researching, but the S4 definitely has hardware differences.
Verizon is what's called a "CDMA" carrier. Their S4 includes hardware that can connect to both their CDMA and others' GSM networks.
T-Mobile has a GSM network. Their S4 includes only the GSM hardware, there is no possibility of using it with a CDMA carrier.
Most variations of the S4 also have slightly different sets of "bands" that they can connect to, so the speed you get will vary depending on both the network type and your S4's type. However, the S4 should be able to get at least 2G on any GSM network. Verizon's S4 has the widest possible area of use, because it includes both CDMA and GSM. It can be used on T-Mobile or ATT, but their S4s cannot be used on Verizon entirely because of the hardware differences.
Click to expand...
Click to collapse
I understand the networks are different.. what I am seeing is that the hardware is the same ... they all have the same chips.. the different carriers are just using software to use what they need
for example here:
http://forum.xda-developers.com/showpost.php?p=25953096&postcount=13
and this thread has examples of people who have used their Verizon on Tmob (voice, wifi, and 4g)
http://forum.xda-developers.com/showthread.php?t=2331131
long story short they say all the phones are the same... they just use different Radio software (plus kernel I assume)
The answer is simple: You will never use a T-Mobile S4 on Verizon.
Verizon S4 on T-Mobile is completely irrelevant, because they're designed to work that way.
Razzzzer said:
I understand the networks are different.. what I am seeing is that the hardware is the same ... they all have the same chips.. the different carriers are just using software to use what they need
for example here:
http://forum.xda-developers.com/showpost.php?p=25953096&postcount=13
and this thread has examples of people who have used their Verizon on Tmob (voice, wifi, and 4g)
http://forum.xda-developers.com/showthread.php?t=2331131
long story short they say all the phones are the same... they just use different Radio software (plus kernel I assume)
Click to expand...
Click to collapse
There is NO CDMA radio in a T-Mobile GS4.
Even if it were, Verizon will not add foreign IMEID/ESN to their database. Without the IMEID/ESN added to the database you cannot get voice service. You could possibly take a provisioned SIM and get data only, but what good is that.
Sell the S4, buy an HTC M8 do S-Off, move on.
Your S4 will never work on Verizon.

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