StraightTalk and multi-band GSM: do they "mix"? - Networking

If I get an AT&T compatable StraightTalk SIM does it also pull from T-Mobile's towers for voice (but not 3g ofc)?
In other words, is the difference between the two SIMs (ATT/TMO) only for HSPA coverage, or HSPA and GSM?
Planning on getting my mom an Infuse 4G but I want to make sure that she'll be getting as best voice coverage as possible.

If you get her a Infuse,just get the at&t sim card from straight talk and everything will function just as if it were running on at&t
Sent from My Pkmn Sensation 4g

If you use a T-Mobile SIM you get T-Mobile coverage. If you use an AT&T SIM you get AT&T coverage. It's as simple as that.

MrObvious said:
If you use a T-Mobile SIM you get T-Mobile coverage. If you use an AT&T SIM you get AT&T coverage. It's as simple as that.
Click to expand...
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Unless the phone supports both bands then you can use either sim card
Sent from my HTC Sensation 4G using Tapatalk 2

Yes but you won't be able to use the AT&T towers if you use T-Mobile from the way I understand it.
Sent from my xt862 using xda app-developers app

MrObvious said:
If you use a T-Mobile SIM you get T-Mobile coverage. If you use an AT&T SIM you get AT&T coverage. It's as simple as that.
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Click to collapse
This is the conclusion I've reached after much research.
Sent from my HTC VLE_U using Tapatalk 2

Damnit.
Well ATT coverage is great in our home area so I'll just stick to that. Thanks guys.
I was hoping that if an ATT sim was used and no ATT voice coverage was available it would try to roam to a TMO straighttalk service.

Get two SIMs and use Google Voice.
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Related

SIM

I looked at my atrix's sim card and it says 3g on there, what do you guys have? Do you think this could be a reason for my un impressive dl speeds?
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roharia said:
I looked at my atrix's sim card and it says 3g on there, what do you guys have? Do you think this could be a reason for my un impressive dl speeds?
Sent from my MB860 using XDA App
Click to expand...
Click to collapse
my guess is you have one that looks like this
att is handing out new ones that are for 4g when it comes out but you can get them now at a nearby store
brian2220 said:
my guess is you have one that looks like this
att is handing out new ones that are for 4g when it comes out but you can get them now at a nearby store
Click to expand...
Click to collapse
Wait what? i ordered my atrix last week and it also came with a 3g sim card but what your saying is theres a 4g sim card?? do you have a pic of one?
Your sim card should have no effect on data speeds. All they do is give the phone the carrier information they need to identify with a cell tower under your phone number, and store contacts. The difference between 3G and 4G cards are purely cosmetic.
i think not. cuz i had questioned about the 4G sim card a while back and she told me that they will eventually roll out for compatible phones.
Lol AT&T '4g' is just 3g only a little faster. It uses the same bands and APNs that 3g uses. Any 3g sim will work on a 4g network in a 4g phone at 4g speeds.
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[Q] Information on network for motorola atrix

Please help me. I have a motorola atrix 4g. Unlocked. Rooted. Running on t-mobile network. I have 3g contract but all i am getting is edge (which is fricking slow). I know it possible for you to be able to change atrix automatic custom network (which is at&t) to work with t-mobile. Youtube doesn't help cause all i see is bell, sprint and metro pcs. I know it something with the radio. But i need your help thanks.
Do you have any friends who have tmo that you can ask their apn settings? That's my suggestion.
milojoseph said:
Please help me. I have a motorola atrix 4g. Unlocked. Rooted. Running on t-mobile network. I have 3g contract but all i am getting is edge (which is fricking slow). I know it possible for you to be able to change atrix automatic custom network (which is at&t) to work with t-mobile. Youtube doesn't help cause all i see is bell, sprint and metro pcs. I know it something with the radio. But i need your help thanks.
Click to expand...
Click to collapse
did you know atrix has a triple band 3g and it does NOT have the tmobile 3g/hspa band. so nothing will work
Ciloteille said:
did you know atrix has a triple band 3g and it does NOT have the tmobile 3g/hspa band. so nothing will work
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This is true. Carrier radio frequencies do differ in the USA. Wifi is the only high speed you'll get in the USA if you are not on at&t using the at&t Atrix.
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jjwatmyself said:
This is true. Carrier radio frequencies do differ in the USA. Wifi is the only high speed you'll get in the USA if you are not on at&t using the at&t Atrix.
Sent from my MB860 using Tapatalk 2
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Im so angry. But hope something comes up
If you're not locked into a t-mobile contract I suggest going to straight talk, they have a SIM for AT&T version phones and that should get you 3g. Or go for h20 wireless which should get you full 4g speed.
milojoseph said:
Im so angry. But hope something comes up
Click to expand...
Click to collapse
phonearena.com and gsmarena.com has specs of all of the phones as well as the providers.
againareku said:
If you're not locked into a t-mobile contract I suggest going to straight talk, they have a SIM for AT&T version phones and that should get you 3g. Or go for h20 wireless which should get you full 4g speed.
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Click to collapse
Lol, despite its name Atrix 4G does not have 4G... You need a carrier working on one or two of 850/1900/2100 3g frequencies.
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hspa+
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consolation said:
Lol, despite its name Atrix 4G does not have 4G... You need a carrier working on one or two of 850/1900/2100 3g frequencies.
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Click to collapse
i'd still consider HSPA plus more 4g than Sprint's so called 4g and that wimax thing the original evo has
and I'd consider verizon's 3G more like 2g hahaha
Man im disappointed u should have never brought this phone cuz a friend said I can hack the Motorola custom radio which was at&t to T-Mobile. But he was wrong.
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s4 question

Is it true ths the international version wont work on verizon 4gLTE . I am in NYC , I have verizon and debating on which version to get. I so can wait to get rid of this bio
yes, that's correct. Verizon doesn't even use SIM cards.. so you won't be able to use it.
the only network that might get it is AT&T. T-Mobile can use the phone, but only with 2G, so if you really want octa version, you'll have to switch to AT&T. this said, you'll get 3G, but whether or not you'll get LTE is another thing.. the rest of the world is pretty far behind us in LTE sadly..
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actually tmobile will be able to use 3g on the intl version also, IF the area is refarmed to 1900.
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How about tmobile hspa+ 42mbps?
i don't think it works on those networks at all. no sim...

Testing Maxx on Tmobile/MetroPcs

Currently thinking of leaving Verizon. I decided to give T-Mobile/metropcs a try... I can honestly say that I will be leaving sooner than later. Even though I can't access their LTE network their h+ 42.2 network is plenty fast... And at only $40 unlimited everything I don't think I can pass this deal up.
Anyone else out there on another carrier besides Verizon? What plan and how much does it cost... Verizon is killing my pockets... since my wife stopped working to stay home with the kids, looking for ways to save on every bill...
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Sounds like a smart plan. I am on VZW and have great LTE unlimited coverage on several lines . Can't justify switching. My bill is nasty....like a $350/month nasty after 30% service discount.
Sent from VZW HTC One with Unlimited Data and Tethering (subscriber)
squeeze said:
Sounds like a smart plan. I am on VZW and have great LTE unlimited coverage on several lines . Can't justify switching. My bill is nasty....like a $350/month nasty after 30% service discount.
Sent from VZW HTC One with Unlimited Data and Tethering (subscriber)
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I have great LTE coverage too. That's what has me so hesitant. But I guess some sacrifices have to be made....
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craigbailey1986 said:
I have great LTE coverage too. That's what has me so hesitant. But I guess some sacrifices have to be made....
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Yeah, I'm in the same boat - no T-Mobile LTE, but do get HSPA+. I'm on the prepaid $30 100min/Unlimited Text+Data for T-Mobile. Unfortunately T-Mo coverage here is only decent along major roads, and the H+ speeds are not very consistent block-to-block. I'm probably going to just cancel the prepaid service since I only get Edge at my desk at work, which doesn't help me conserve data usage on my Verizon device, which was my intention.
My H+ speeds have ranged from about 400kbps all the way to 12mbps... potentially faster than my Verizon speeds on LTE. Just upsetting that the service is still too spotty to use it as my primary carrier.
I am here in ga and it is pretty good... Not Verizon good but good none the less... I just don't know what am going to do when I leave Verizon. Their service is top notch...
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craigbailey1986 said:
I am here in ga and it is pretty good... Not Verizon good but good none the less... I just don't know what am going to do when I leave Verizon. Their service is top notch...
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Well like you said, sometimes you have to make sacrifices. Do you have unlimited on Verizon? How much data do you need? I know that T-Mobile will give you unlimited but I'm thinking that if you don't need unlimited, you could switch to T-Mobile for now and then switch back to Verizon later on when finances are a bit more stable.
As long as T-Mobile serves your immediate needs, then it should be fine.
Yeah don't need unlimited. Its just a means to help get the bills lower. I just hate to give up Verizon. If I want to upgrade I will be forced to pay full price. But I also wanted the nexus 5 so I give it's a win win
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craigbailey1986 said:
Yeah don't need unlimited. Its just a means to help get the bills lower. I just hate to give up Verizon. If I want to upgrade I will be forced to pay full price. But I also wanted the nexus 5 so I give it's a win win
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I had trouble dropping my Sprint SERO line, but hopping on someone's Share Everything plan on Verizon was really the cheaper way to go. I liked only paying $50 for unlimited LTE, but it was just an extra bill that wasn't necessary (as I was on both Sprint and Verizon at that point).
raichur0xx0rz said:
I had trouble dropping my Sprint SERO line, but hopping on someone's Share Everything plan on Verizon was really the cheaper way to go. I liked only paying $50 for unlimited LTE, but it was just an extra bill that wasn't necessary (as I was on both Sprint and Verizon at that point).
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Yeah at this point I am paying 180 for 2 lines and I could save about 80 if we went to T-Mobile. But there service is not worth the savings I don't think.
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The Maxx doesn't support 1700/2100Mhz does it? Eg you only get HSPA+ if you live in an area Tmobile has refarmed? (Unfortunately Tmobile doesn't own enough spectrum where I live to refarm any of their 1900Mhz spectrum, still a 21Mbps HSPA area too since Tmobile doesn't own enough to make 42Mbps work - central TN).
Ualdayan said:
The Maxx doesn't support 1700/2100Mhz does it? Eg you only get HSPA+ if you live in an area Tmobile has refarmed? (Unfortunately Tmobile doesn't own enough spectrum where I live to refarm any of their 1900Mhz spectrum, still a 21Mbps HSPA area too since Tmobile doesn't own enough to make 42Mbps work - central TN).
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Click to collapse
I believe it does have a 1700/2100 bands supported (per GSM Arena), and I do not think I'm in a re-farmed 1900 area. I had a T-Mobile SIM in a Sprint HTC One, DNA, and Lumia 822 and none were pulling in H+, just Edge or 3G.
Ualdayan said:
The Maxx doesn't support 1700/2100Mhz does it? Eg you only get HSPA+ if you live in an area Tmobile has refarmed? (Unfortunately Tmobile doesn't own enough spectrum where I live to refarm any of their 1900Mhz spectrum, still a 21Mbps HSPA area too since Tmobile doesn't own enough to make 42Mbps work - central TN).
Click to expand...
Click to collapse
The Maxx will not pick up 1700/2100 areas. Only the refarmed 1900. However it does support lte band 4 which will probably have its switch thrown later when vzw starts using their aws spectrum. It's not active now as far as I can tell because I can't get any better than H+ in Chicago which is entirely refarmed tmo and att doesn't trigger it either. My inkling is that vzw has that part of the radio turned off at the moment until they launch that portion of the network.
Image attached shows what the phone does support with the VZW radios.
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This is what is capable as per Wiki's snapdragon thread. Although the chip is advertised as Motorola x8, after some digging I found the actual model number. It's msm8960DT
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MrTweakers said:
This is what is capable as per Wiki's snapdragon thread. Although the chip is advertised as Motorola x8, after some digging I found the actual model number. It's msm8960DT
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Just because the chip supports it doesn't mean that it's active or usable. Look at the nexus and its lte if you need an example. My post above yours show what moto intends to allow for this device. It "could" support more but the bands aren't active.
What I'm curious about is if we can get this ***** unlocked... Can we pull the radio files from the Tmobile X to unlock the 1700/2100 and AWS LTE bands (which the phone does support but again, are inactive at the moment). We would lose the cdma bands but for the people switching to tmo... I don't think they'd care.
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You learn something new every day. Lol
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I have one in Canada and we have band 4 LTE on rogers and bell. I'm unable to get LTE. I'm hoping with root and radio flash or a Verizon update it can get lte working.
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If you go to T-Mobile as your sole provider, be prepared to say goodbye to any signal at all inside of office buildings, malls, warehouses, grocery stores, etc
I like my T-Mobile HTC One, but the amount of places in Los Angeles that are dead zones is very frustrating.
Sent from my Droid Maxx, the bigger, better, longer lasting cousin of the Moto X.
will the Verizon maxx work on gsm, or you have to unlock it?
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vuphongkkk said:
will the Verizon maxx work on gsm, or you have to unlock it?
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It is unlocked out of the box for GSM networks - just no LTE.
raichur0xx0rz said:
It is unlocked out of the box for GSM networks - just no LTE.
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Click to collapse
When vzw does their aws rollout I expect that a software update will roll out with it and this will change. For now it is HSPA+ only.
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[801] Can T-Mobile variant work with Straight Talk?

I am on the $30 plan from T-Mobile and is alright, however I am mowing to an area with Zero signal from T-Mobile.
Will switching to a Straight Talk Sim (At&T towers) and paying for their service give my phone their service?
Or would they 801 not work on those bands?
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