Database Users

At&t 850hz on rooted? Possible?

Has anyone with a rooted nexus s managed to enable the at&t frequencies? 850hz? is it possible physically (is there a 3g 850hz frequency built in?)
Sent from my Nexus One using XDA App

joesixpack1969 said:
Has anyone with a rooted nexus s managed to enable the at&t frequencies? 850hz? is it possible physically (is there a 3g 850hz frequency built in?)
Sent from my Nexus One using XDA App
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3G on this first version of the Nexus S (assuming they come out with an HSPA version as well like they did for the N1) supports 900, 1700, and 2100 MHz. The onboard hardware does not support 850hz / 1900hz.

That's a real bummer...
Short sighted of google too...
Sent from my Nexus One using XDA App

joesixpack1969 said:
That's a real bummer...
Short sighted of google too...
Sent from my Nexus One using XDA App
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I'm pretty sure it was intentional. It would be in Google's best interest to have all bands so that they wouldn't need to release multiple versions like with the N1. They likely have a deal with T-Mo

joesixpack1969 said:
That's a real bummer...
Short sighted of google too...
Sent from my Nexus One using XDA App
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5 and 6 band HSPA radios are still quite uncommon. I can only think of one or two devices on the market that use them.
It is just life. Send them feedback and tell them you want an 850/1900 version.

Just wait for the Nexus S to come out on ATT, I seriously doubt Google is going to make the Nexus S strictly Tmobile. Tmobile makes up less than 10% of all cell phones, would be kind of stupid...

Why does it say quad band with 850hz here? http://www.google.com/nexus/#/tech-specs
Sent from my Nexus One using XDA App

That's GSM - you can make calls and get 2G (EDGE) data just fine on AT&T with the Nexus S... but would you want to? =)
joesixpack1969 said:
Why does it say quad band with 850hz here? http://www.google.com/nexus/#/tech-specs
Sent from my Nexus One using XDA App
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Its not googles' fault. A long time ago the US gsm providers decided to add a download chanel to 3g gsm so that users couldn't take their phone from one provider to another and so the could not import phones in from europe. You can take a phone from att or tmo and it will do 3g on any european gsm provider you chose. However no normal european gsm phone will do 3g in the us. They lack the second download chanel. So don't complain about google, it was the providers that made a conscious decision to muck it up.
Sent from my Nexus S using XDA App

dimes-jth said:
Its not googles' fault. A long time ago the US gsm providers decided to add a download chanel to 3g gsm so that users couldn't take their phone from one provider to another and so the could not import phones in from europe. You can take a phone from att or tmo and it will do 3g on any european gsm provider you chose. However no normal european gsm phone will do 3g in the us. They lack the second download chanel. So don't complain about google, it was the providers that made a conscious decision to muck it up.
Sent from my Nexus S using XDA App
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That's 100% true!!! Plus the batter life would be horrific with all those signals, and a bigger antenna! LOL
Sent from my Nexus S using XDA App

I'm on ATT
I hate the EDGE speeds but there is nothing else we can do. I currently carry around my Nexus One with this one to use as a hotspot. Google will probably release another version within a couple months as they did with the N1. Hopefully they will cause tethering all the time is awesome to show off but cumbersome all at the same time

I picked up the nexus s yesterday. Love the phone compared to my Captivate on Cognition but EDGE is really hampering the experience.

petep86 said:
That's 100% true!!! Plus the batter life would be horrific with all those signals, and a bigger antenna! LOL
Sent from my Nexus S using XDA App
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Nokia managed to design a pentaband 3G (5 different 3G bands, 850/900/1700/1900/2100MHz) phone, the N8 and it has no problems AFAIK. Samsung probably doesn't have the knowledge or talent to design a pentaband 3G device though.

The T-Mobile Vibrant (a Samsung Galaxy S phone, just like our Nexus S) can be used with full 3G speeds on both T-Mobile and AT&T (1900mhz). My friend is currently using an unlocked T-Mo Vibrant on AT&T with no problems and fine 3G speeds.
Samsung certainly knows how to make a phone that will work on both networks; this was clearly a Google decision...why, we'll never know, but I suspect pressure from T-Mobile.

distortedloop said:
The T-Mobile Vibrant (a Samsung Galaxy S phone, just like our Nexus S) can be used with full 3G speeds on both T-Mobile and AT&T (1900mhz). My friend is currently using an unlocked T-Mo Vibrant on AT&T with no problems and fine 3G speeds.
Samsung certainly knows how to make a phone that will work on both networks; this was clearly a Google decision...why, we'll never know, but I suspect pressure from T-Mobile.
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At&t does not use 3g on 1900mhz everywhere. In fact, a major AT&T initiative in the past few years was to move 3g to the 850 band everywhere possible in order to enhance indoor signal strength.
A phone that can only do 3g on 1900mhz is not a nationwide solution for AT&T, coverage is quite hit or miss.

distortedloop said:
The T-Mobile Vibrant (a Samsung Galaxy S phone, just like our Nexus S) can be used with full 3G speeds on both T-Mobile and AT&T (1900mhz). My friend is currently using an unlocked T-Mo Vibrant on AT&T with no problems and fine 3G speeds.
Samsung certainly knows how to make a phone that will work on both networks; this was clearly a Google decision...why, we'll never know, but I suspect pressure from T-Mobile.
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Click to collapse
Check the nexus s specs again. It does not have 1900mHz 3g in any form at all like the vibrant.
It only has 900, 1700, 2100.

RogerPodacter said:
Check the nexus s specs again. It does not have 1900mHz 3g in any form at all like the vibrant.
It only has 900, 1700, 2100.
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Click to collapse
Re-read my post, and the post I was responding to again.
I never said that the Nexus S supports 850/900, I was telling a guy who said Samsung didn't know how to make such a phone that he was incorrect because Samsung has already made such a phone (the Vibrant which supports both AWS/1700/1900/2100 on the UMTS side).
Ironic that you're telling me to re-read something when you should have done the same before correcting me.
Peace!

Mactagonist said:
At&t does not use 3g on 1900mhz everywhere. In fact, a major AT&T initiative in the past few years was to move 3g to the 850 band everywhere possible in order to enhance indoor signal strength.
A phone that can only do 3g on 1900mhz is not a nationwide solution for AT&T, coverage is quite hit or miss.
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Click to collapse
Yes, I'm well aware of this, but if you're in any major metro area where AT&T has been offering 3G service for a couple of years or more, 1900 is likely available to you. 850 is in far fewer areas, isn't it? It's only a recent addition to San Francisco as I recall.
1900 support in the Nexus S would have made it much more attractive to me, and a viable AT&T alternative for many across much of the country, but I'll concede that 850/1900 would be necessary to address the whole nation.

I see I mis read your post thinking it meant it had 1900.

Lte

Lte requires sim cards right? So hopefully after sprint makes the upgrade to lte, we'll be able to buy sprint phones and use a sim card from any of the big 4! Dream come true in america, emirite?
Sent from my SPH-D700 using XDA App

Sorry, meant we can buy any lte phone unlocked*
Sent from my SPH-D700 using XDA App

That's what I heard. And supposedly it's not the micro ones either.

A_Flying_Fox said:
Lte requires sim cards right? So hopefully after sprint makes the upgrade to lte, we'll be able to buy sprint phones and use a sim card from any of the big 4! Dream come true in america, emirite?
Sent from my SPH-D700 using XDA App
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Not really...AT&T and Verizon are both going FDD-LTE on the 700mhz band...Sprint will get TD-LTE on the 2.5ghz~ range....
T-Mobile is going on their own HSPA/LTE hybrid variant...
So while Verizon and AT&T phones might be interchangeable (assuming they dont lock them say via some other method)..Sprint and T-Mobile will not be part of that...

gTen said:
Not really...AT&T and Verizon are both going FDD-LTE on the 700mhz band...Sprint will get TD-LTE on the 2.5ghz~ range....
T-Mobile is going on their own HSPA/LTE hybrid variant...
So while Verizon and AT&T phones might be interchangeable (assuming they dont lock them say via some other method)..Sprint and T-Mobile will not be part of that...
Click to expand...
Click to collapse
.......my heart.
Sent from my SPH-D700 using XDA App

gTen said:
Not really...AT&T and Verizon are both going FDD-LTE on the 700mhz band...Sprint will get TD-LTE on the 2.5ghz~ range....
T-Mobile is going on their own HSPA/LTE hybrid variant...
So while Verizon and AT&T phones might be interchangeable (assuming they dont lock them say via some other method)..Sprint and T-Mobile will not be part of that...
Click to expand...
Click to collapse
So which one would be better?

musclehead84 said:
So which one would be better?
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Better in terms of?

musclehead84 said:
So which one would be better?
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Verizons lte is on par with wimax so i assume that sprints would be better when they get it
Sent from my SPH-D700 using XDA App

And higher spectrum means better building penetration, right?
Sent from my SPH-D700 using XDA App

A_Flying_Fox said:
.......my heart.
Sent from my SPH-D700 using XDA App
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Well its not impossible for a device to support both TD-LTE and FD-LTE on a single chipset..but we would then have to buy international phones..cause knowing carriers they either won't include those bands or lock them :/
A_Flying_Fox said:
And higher spectrum means better building penetration, right?
Sent from my SPH-D700 using XDA App
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Click to collapse
700mhz is better building penetration over 2.5ghz..BUT how TD-LTE is allows carriers to use more spectrum...right now AT&T and Verizon plan to run it in 20mhz worth of spectrum each..realistically speaking that would constrain quantity of users/amount of data...(hence the tiered data)
Sprint right now though is running wimax in 10mhz of spectrum though..and could run it in 30mhz if they please..
So realistically speaking its easier to run TD-LTE as more spectrum is available in comparison to FD-LTE running at the limited 700mhz spectrum..while 700mhz spectrum though will offer betetr building penetration/signal

gTen said:
Well its not impossible for a device to support both TD-LTE and FD-LTE on a single chipset..but we would then have to buy international phones..cause knowing carriers they either won't include those bands or lock them :/
700mhz is better building penetration over 2.5ghz..BUT how TD-LTE is allows carriers to use more spectrum...right now AT&T and Verizon plan to run it in 20mhz worth of spectrum each..realistically speaking that would constrain quantity of users/amount of data...(hence the tiered data)
Sprint right now though is running wimax in 10mhz of spectrum though..and could run it in 30mhz if they please..
So realistically speaking its easier to run TD-LTE as more spectrum is available in comparison to FD-LTE running at the limited 700mhz spectrum..while 700mhz spectrum though will offer betetr building penetration/signal
Click to expand...
Click to collapse
So its basically the 3g story again lol sprint has the better and same constant speeds no matter the load, but the signal won't be as strong lol. I can deal with that
And buyingunlocked international phones isn't bad...my friend only uses unlocked ones and they always have extra features compared to a branded one... and all he would have to do to activate it was slide his sim card in it. I hate how att/tmo users can effectively use any phone they want...I want this freedom with sprint/verizon
Sent from my SPH-D700 using XDA App

A_Flying_Fox said:
So its basically the 3g story again lol sprint has the better and same constant speeds no matter the load, but the signal won't be as strong lol. I can deal with that
Sent from my SPH-D700 using XDA App
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Sprint's LTE will act like the current Wimax implementation because it'll be running at 2.5ghz. We all know how spotty it is, especially when indoors.
Verizon and AT&T, at 700mhz will act their current 3G service because it's very close to 800mhz. They'll probably have an easier time getting better coverage because they know the 800mhz frequency.
Personally, I'd rather be at 700mhz for LTE, at 2.5ghz, you lose to much coverage and I'm sure Verizon already has the limited bandwidth figure out. If they didn't they could be throwing billions of dollars down the tube.
I can't wait for Verizon handsets to hit the market. My Sprint contract just expired so I'm looking to jump ship.

A_Flying_Fox said:
So its basically the 3g story again lol sprint has the better and same constant speeds no matter the load, but the signal won't be as strong lol. I can deal with that
And buyingunlocked international phones isn't bad...my friend only uses unlocked ones and they always have extra features compared to a branded one... and all he would have to do to activate it was slide his sim card in it. I hate how att/tmo users can effectively use any phone they want...I want this freedom with sprint/verizon
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Well yes and no..thing is most international phones dont have the AT&T 3g band and don't have AWS (most common t-mobile 3g band) on same band as T-Mobile
crabjoe said:
Sprint's LTE will act like the current Wimax implementation because it'll be running at 2.5ghz. We all know how spotty it is, especially when indoors.
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Click to collapse
As I said its spotty because right now..
1) sprint is using only 10mhz of spectrum...
2) They are doing minimum deployments..aka the need mroe towers but being cheap...
Verizon and AT&T, at 700mhz will act their current 3G service because it's very close to 800mhz. They'll probably have an easier time getting better coverage because they know the 800mhz frequency.
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Click to collapse
um..what?!?!
Personally, I'd rather be at 700mhz for LTE, at 2.5ghz, you lose to much coverage and I'm sure Verizon already has the limited bandwidth figure out. If they didn't they could be throwing billions of dollars down the tube.
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Yes its called Tiered Data plans...not fun...

Anyway, wouldn't the first crop of Verizon LTE phones still rely on 1x for voice and 3G EVDO/LTE for data?
So basically we're going to have a scenario where a Verizon LTE phone would be something like this CDMA 2000 1x/1900mhz EVDO/700mhz LTE,
and
an ATT LTE phone might be like Quad band GSM/GPRS/EDGE/UMTS 1900 (HSPA?)/700mhz LTE?

My 2 cents vzw & att are double what we pay for a premium phone service on sprint and not unlimited anything also have bad coverage. They nickel & dime the crap out of you on top of it. Also wimax has voice calling capabilities not just data. Lte for some reason can only do data. So maybe some new features with voice calling with wimax.
Viper Rom

jbadboy2007 said:
My 2 cents vzw & att are double what we pay for a premium phone service on sprint and not unlimited anything also have bad coverage. They nickel & dime the crap out of you on top of it. Also wimax has voice calling capabilities not just data. Lte for some reason can only do data. So maybe some new features with voice calling with wimax.
Viper Rom
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Wimax for voice calling? I find that scary. In its current iteration its flaky enough just for data. I shudder to think how crappy voice calling would be on it. They seriously need to build it out a ton more. I walk in my house signal disappears....not encouraging.

LordLugard said:
Wimax for voice calling? I find that scary. In its current iteration its flaky enough just for data. I shudder to think how crappy voice calling would be on it. They seriously need to build it out a ton more. I walk in my house signal disappears....not encouraging.
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At least you are lucky enough to have coverage...

Wimax doesnt do voice.....on the other hand, att and tmo 3g is voice/data
Sent from my SPH-D700 using XDA App

Yes, the specifications for Voice over LTE have not been finished yet.
LordLugard said:
Wimax for voice calling? I find that scary. In its current iteration its flaky enough just for data. I shudder to think how crappy voice calling would be on it. They seriously need to build it out a ton more. I walk in my house signal disappears....not encouraging.
Click to expand...
Click to collapse
Sprint is working on making a seamless radio..aka unlike now where you need to enable/disable 4g it would work in a way that even if 4g is disconnected your session would not be interrupted...same for calls..

LTE doesn't require a SIM card...Verizon is CDMA

Atrix on t mobile?

I'm just making this thread for the future. If its possible if people can tell us if they have gotten their atrix working on t mobile and how they did it and if hspa works because it does have the bands for it according to the Motorola website. Thanks for any info.

Yo I got it to work with simple mobile with their 4g. Just go to gsmhosting forums and buy a code from their advertised sites. They email it to you in 5 minutes, just input imei and that it.

So this phone would or wouldn't work on t mobile? I know in the past I haven't bothered with ATT phones on TMO because the 3g is at different frequencies...but if the phone is 3rd party and supports all the frequencies then theoretically this phone should work on TMO, as any other phone would.... Anyone know for sure though..?

Thanks for the info. Now just for t mobile to make sure. I know simple and t mobile almost the same but I don't just wanna go and spend 550 and be stuck.

Simple mobile uses the t-mobile towers so lol yeah ! As I said I got it working with simple mobile and they have 4g too.

Can you do a speed test for me? And where and how much was the unlock code? Thanks.

Check this thread already on unlocks.
http://forum.xda-developers.com/showthread.php?t=960771&page=4

ramirez3805 said:
Thanks for the info. Now just for t mobile to make sure. I know simple and t mobile almost the same but I don't just wanna go and spend 550 and be stuck.
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Click to collapse
They are the same. Well this is interesting news indeed if it does work. Thinking of picking up an Atrix myself now that it works on Tmobiles 4G network.

z3r0soul said:
Check this thread already on unlocks.
http://forum.xda-developers.com/showthread.php?t=960771&page=4
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Can you do a speed test?

It would work, but only on 2G. T-Mo uses 1700 and 2100, while the Atrix ony has 850, 1900, and 2100

So zero soul lied?

ramirez3805 said:
So zero soul lied?
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Well he may just be confused a bit. After it's unlocked it will work on T-Mobile, but not the 3G/4G due to the band differences. So it won't be worth the $599 if you don't get to use the fast speeds.

Of course not.

Bump
10car

this sux... I'm having the same dilemma...
1. switch to att (att sux! ... + limited internet)
2. use it on tmobile (no 3g)
3. wait for another device (I've been waiting since forever!!)

Yea! We are supposed to get this outdated galaxy s when its running outdated hardware and the s2 has been announced!

suleiman.aql said:
this sux... I'm having the same dilemma...
1. switch to att (att sux! ... + limited internet)
2. use it on tmobile (no 3g)
3. wait for another device (I've been waiting since forever!!)
Click to expand...
Click to collapse
Wait until next month. Optimus 2x 4G is coming soon.

Funk2641 said:
It would work, but only on 2G. T-Mo uses 1700 and 2100, while the Atrix ony has 850, 1900, and 2100
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Click to collapse
What i want to know is being that it works on 2100 bands, is if it would work on tmobiles 4G. 4G is available in my area and im waiting for my unlock code to come it to test it. If it's 2G only, thats cool in the mean time.

svengalis said:
Wait until next month. Optimus 2x 4G is coming soon.
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screen res is lower

I heard that the atrix is gonna be released in canada, do they by any chance have the same freq as tmobile?

[Q] 4g speed on at&t phone.

Hello everyone
i just bought a brand new samsung infuse locked to at&t. I got it unlocked to use it with tmobile.i am currently using mytouch4g. i am able to use infuse after unlocking with tmobile but can not get 4g data speed on infuse.it only gives me EDGE speed
is there any setting out here that i can use that will give me 4g speed on samsung infuse using tmobile sim just like i get with mytouch4g. and i want to use it with tmobile USA.
please help
thanks in advance

No reply to help me. Please guys id anyone have any answer this .
I would really appricate this.
Sent from my HTC Glacier using Tapatalk

EDGE is 4G on AT&T. just kidding
I would check what you have it set to under phone options, dail *#*#4636#*#*, and check what band you have selected, as well as correct APN settings.

ATT's 4G bands are not the same at T-Mobile's 4G bands. Wont work no way no how.

@ chris it says gsm/wcdma auto(prl)
Sent from my HTC Glacier using Tapatalk

AT&T is using 1900 MHz (850 MHz in some markets) for 3G. T-Mobile will use 1700 MHz for download and 2100 MHz for upload or pretend I didn't say anything and keep trying something that isn't doable. that's your call

like jay says it doesn't have the correct network band antennas,
just sell it, new smartphones are coming out weekly.
and 4G is gimmicky, best of luck,

Thank you so much guys for trying to help. Do you guys think if root my phone and install custom rom. Is there any chance of getting 4g speed then?
Sent from my HTC Glacier using Tapatalk

ipaq dude said:
Thank you so much guys for trying to help. Do you guys think if root my phone and install custom rom. Is there any chance of getting 4g speed then?
Sent from my HTC Glacier using Tapatalk
Click to expand...
Click to collapse
it's a hardware limitation

check the APNs. I got an Atrix and my downloads on HSPA+ were between 2 and 3. Then I changed the APNs, they had 4 options. THen I got 5-7 downloads. Thats the closest to 4G you'll get on ATT

DiamondJay20 said:
check the APNs. I got an Atrix and my downloads on HSPA+ were between 2 and 3. Then I changed the APNs, they had 4 options. THen I got 5-7 downloads. Thats the closest to 4G you'll get on ATT
Click to expand...
Click to collapse
Are you sure it's not just the amount of traffic in your area?
Here in NYC, i've hit anywhere from 1.5Mbps down all the way up to 6+Mbps down

wow thanks for the info.are you on tmobile also ?
if yes do you mind sharing your apn settings.
i get good 4g speed with mytouch 4g which is tmobile branded device.
Thanks again for your inputs to help me out.
ph00ny said:
Are you sure it's not just the amount of traffic in your area?
Here in NYC, i've hit anywhere from 1.5Mbps down all the way up to 6+Mbps down
Click to expand...
Click to collapse

ipaq dude said:
wow thanks for the info.are you on tmobile also ?
if yes do you mind sharing your apn settings.
i get good 4g speed with mytouch 4g which is tmobile branded device.
Thanks again for your inputs to help me out.
Click to expand...
Click to collapse
ATT
Never tweaked and still on the cingular wap setting
Sent from my GT-I9100 using XDA App

ipaq dude said:
wow thanks for the info.are you on tmobile also ?
if yes do you mind sharing your apn settings.
i get good 4g speed with mytouch 4g which is tmobile branded device.
Thanks again for your inputs to help me out.
Click to expand...
Click to collapse
I hate to burst your bubble but there is no way you are going to get the AT&T device to work on T-Mobile's 3G, nevermind "4G"/HSPA. Sorry.

right... It has to do with the phone and the hardware... aka - the stuff they build the phone with. Its like if you try to use a phone to receive xm radio frequencies... it's not going to work... If you have a phone with the ATT bands they will NEVER work the same on Tmobile. But you can get Edge on any GSM network. Hope this helps. Search for att cellular bands on Google and compare them with Tmobile cellular bands.

Sorry to say it but the guys are correct! ALL of the AT&T 4G phone are quad band GSM phones! They work on the 850/1900 frequencies for all data and communication purposes in the USA! T-Mobile uses 1700! So basically you should have done a little more homework before you ran out and spent all that money!
If you are lucky you can still sell it and maybe get your money back!
Sent from my MB860 using XDA App

yes i know.what waste i hope i will be able to sell it.thank you guys anyways.
souperman7340 said:
Sorry to say it but the guys are correct! ALL of the AT&T 4G phone are quad band GSM phones! They work on the 850/1900 frequencies for all data and communication purposes in the USA! T-Mobile uses 1700! So basically you should have done a little more homework before you ran out and spent all that money!
If you are lucky you can still sell it and maybe get your money back!
Sent from my MB860 using XDA App
Click to expand...
Click to collapse

Wont work at all. Different bands. That is the one crappy part. TMO uses there oddball 1900 MHZ or something like that.

mediq91 said:
Wont work at all. Different bands. That is the one crappy part. TMO uses there oddball 1900 MHZ or something like that.
Click to expand...
Click to collapse
They use 1700 and 2100 (both are required by the phone).

SGS II at 1.4GHz available in Sept.

Sammy will release SGS II at 1.4GHz this September to battle against iPhone 5.
http://www.t3.com/news/samsung-to-upgrade-galaxy-s-ii-to-counter-apples-iphone-5?=57923

Looks good but I think it's a little iffy to assume that TMobile will offer the SGSII for sale in the US. Indeed, while I really like the SGSII and the development community which supports the Samsung devices I'm unlikely to purchase a new phone for use on TMobile until I see which way the AT&T merger goes. I suspect other TMobile subscribers feel the same way I do and will be jumping ship if AT&T/TMobile merge...

Hopefully they will include Hercules in this update.
__________________
Phone: Samsung Vibrant
ROM: ZenDroid 1.3.5
Kernel: Bali 1.8.6UV
Modem: KA5

What pisses me off the most is that I can't even buy the phone from overseas and use it with T-MoFo and get 3G. I was planning to get the SGS-II, and now the upgraded version comes with no hope that T-mobile will get any of them.

طوني تبولة said:
What pisses me off the most is that I can't even buy the phone from overseas and use it with T-MoFo and get 3G. I was planning to get the SGS-II, and now the upgraded version comes with no hope that T-mobile will get any of them.
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Overseas phones are usually unlocked so you can use it with any providers. Not sure why you wouldn't be able to use it with T-Mobile.
SGS II specs are impressive but I don't like the physical Home button, looks too much like iPhone that's why they are being sued among other things. I like the way Vibrant buttons are.
Vibrant on Project-V + Bali X 1.1

I'm waiting for the Nexus 3
Sent from my SGH-T959 using XDA Premium App

T-Mobile T989 (Hercules???)
Sammy T989 just passed BT & Wi-Fi certification. This could be T-Mobile version of SGS II.
http://www.tmonews.com/2011/06/samsung-t989-receives-bluetooth-wi-fi-approval-is-this-the-samsung-hercules/
Looks like September will be a HOT month!!!
Vibrant on Project-V + Bali-X 1.1

se7en10 said:
Overseas phones are usually unlocked so you can use it with any providers. Not sure why you wouldn't be able to use it with T-Mobile.
SGS II specs are impressive but I don't like the physical Home button, looks too much like iPhone that's why they are being sued among other things. I like the way Vibrant buttons are.
Vibrant on Project-V + Bali X 1.1
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Click to collapse
yeah, they are unlocked, so you can use a tmob sim, but they don't use tmob's hspa/hspa+ bands. so it's akin to using an iphone on tmob: edge only.

ronin4740 said:
Looks good but I think it's a little iffy to assume that TMobile will offer the SGSII for sale in the US. Indeed, while I really like the SGSII and the development community which supports the Samsung devices I'm unlikely to purchase a new phone for use on TMobile until I see which way the AT&T merger goes. I suspect other TMobile subscribers feel the same way I do and will be jumping ship if AT&T/TMobile merge...
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Honestly I'm beginning to think T-Mobile is *determined* to offer substandard versions. Such as the Sensation getting less memory than the EVO 3D.. Why no true "WOW FACTOR" phones, just middle of the road dreck from TMO? Or back in the day when the rest of the world get the HTC Magic and TMO got the Sapphire, a Magic with less memory.... So... I doubt we'll see it on TMO also. But it will be a nice phone for those who can get/use it!

funeralthirst said:
yeah, they are unlocked, so you can use a tmob sim, but they don't use tmob's hspa/hspa+ bands. so it's akin to using an iphone on tmob: edge only.
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Uhm, I think you're wrong. World phones have all 4 bands, where as AT&T and T-Mobile only have 3 bands. The bands are 850/900/1800/1900, so even if you're missing one it's still possible to use the phone hence the ROAMING feature. I have a Vibrant and have use SIM's (for calls & 3G+) from many countries as I travel through them.
Vibrant on Project-V + Bali-X 1.1

lotherius said:
Honestly I'm beginning to think T-Mobile is *determined* to offer substandard versions. Such as the Sensation getting less memory than the EVO 3D.. Why no true "WOW FACTOR" phones, just middle of the road dreck from TMO? Or back in the day when the rest of the world get the HTC Magic and TMO got the Sapphire, a Magic with less memory.... So... I doubt we'll see it on TMO also. But it will be a nice phone for those who can get/use it!
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Some people on verizon complain that they don't have a dual core device until now, they are suspecting that it may be due to the droid lines that keep the carriers from getting dual core devices.. I'm not even sure if tmobile will get the nexus prime with all the pending buyout going on.. There's no future for tmo anymore i believe.. Im going att when everything finalizes

se7en10 said:
Uhm, I think you're wrong. World phones have all 4 bands, where as AT&T and T-Mobile only have 3 bands. The bands are 850/900/1800/1900, so even if you're missing one it's still possible to use the phone hence the ROAMING feature. I have a Vibrant and have use SIM's (for calls & 3G+) from many countries as I travel through them.
Vibrant on Project-V + Bali-X 1.1
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Tmobile uses 2100 aws spectrum for 3g which is why international and att phones dont have 3g on tmob. But att uses standard 3g bands same as rest of the world so you can for example buy a unlocked international sgs2 and get 3g on att.
Sent from my SGH-T959 using XDA App

Wait is this dual core or single core?
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se7en10 said:
Uhm, I think you're wrong. World phones have all 4 bands, where as AT&T and T-Mobile only have 3 bands. The bands are 850/900/1800/1900, so even if you're missing one it's still possible to use the phone hence the ROAMING feature. I have a Vibrant and have use SIM's (for calls & 3G+) from many countries as I travel through them.
Vibrant on Project-V + Bali-X 1.1
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that quad band/'world phone' bands are for calls. for data, tmob uses 1700 and 2100 (the reason att wants to buy them). the vibrant also supports the att 1900 3g/hspa+ band hence why it will usually work with att 3g.

se7en10 said:
Uhm, I think you're wrong. World phones have all 4 bands, where as AT&T and T-Mobile only have 3 bands. The bands are 850/900/1800/1900, so even if you're missing one it's still possible to use the phone hence the ROAMING feature. I have a Vibrant and have use SIM's (for calls & 3G+) from many countries as I travel through them.
Vibrant on Project-V + Bali-X 1.1
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GSM-Wise: most phones that have been manufactured in the last ~4 years work on all GSM networks (They are Quad band)
but that means they are able to make phone calls and connect @ edge speed.
There is a different set of bands for 3G. Most 3G networks around the world use 2100 MHz. In the Americas, the 1900MHz is the most commonly used except few networks like T-Mobile and a couple of networks in Canada that use the AWS which uses 1700/2100MHz combination.
So unless you buy the phone from the US or Canada, your phone will NOT connect @ 3G with T-mobile.

طوني تبولة said:
There is a different set of bands for 3G. Most 3G networks around the world use 2100 MHz. In the Americas, the 1900MHz is the most commonly used except few networks like T-Mobile and a couple of networks in Canada that use the AWS which uses 1700/2100MHz combination.
So unless you buy the phone from the US or Canada, your phone will NOT connect @ 3G with T-mobile.
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Ok, always thought as a World phone it would have all the bands to work everywhere in the world. Guess not then!

Alex530 said:
Wait is this dual core or single core?
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Dual
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Alanrocks15 said:
Dual
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Good stuff.
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طوني تبولة said:
So unless you buy the phone from the US or Canada, your phone will NOT connect @ 3G with T-mobile.
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http://www.engadget.com/2011/06/29/samsung-galaxy-s-ii-gets-official-for-canada-on-bell-virgin-mob/

ferhanmm said:
http://www.engadget.com/2011/06/29/samsung-galaxy-s-ii-gets-official-for-canada-on-bell-virgin-mob/
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Sadly, none of them uses AWS band (1700/2100)
Bell Mobility and its subsidiary (Virgin Mobile), and SaskTel use the 850 and 1900MHz which is supported by the International version of Galaxy S II.
AWS really sucks (click to see the small list of the providers that use this band)