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

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).

Related

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.
Click to expand...
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
Click to expand...
Click to collapse
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?
Click to expand...
Click to collapse
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
Click to expand...
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.
Click to expand...
Click to collapse
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?

Arc not 3G compatible in US?

Hello,
Maybe you guys can help me clarify something for me. I want to buy this phone and get the unlocked version. Only problem is no matter which seller I'm looking at on Ebay they're all saying "3G Not compatible in the U.S" which means I'll be running at 2G and I actually considered this ok because i really want to this phone. But I want to know why it won't work? If it's a GSM phone and it would work with AT&T & T-Mobile my local carriers why wouldn't it give me 3G speeds?
I really want this phone because I wanted something different, something you won't see out here much. Plus I wanted to get back to Sony phones after playing with other manufactors. Can anyone help clear this is up for me?
Nishua said:
But I want to know why it won't work? If it's a GSM phone and it would work with AT&T & T-Mobile my local carriers why wouldn't it give me 3G speeds?
Click to expand...
Click to collapse
For the same reason that a T-Mobile US GSM handset won't give you 3G on AT&T - it's the wrong frequency.
Most of the world uses the 2100MHz band for UMTS/HSDPA but AT&T are awkward and use 1900MHz and 850MHz and T-Mobile are even more awkward and use the extremely unusual 1700MHz band.
Nishua said:
Hello,
Maybe you guys can help me clarify something for me. I want to buy this phone and get the unlocked version. Only problem is no matter which seller I'm looking at on Ebay they're all saying "3G Not compatible in the U.S" which means I'll be running at 2G and I actually considered this ok because i really want to this phone. But I want to know why it won't work? If it's a GSM phone and it would work with AT&T & T-Mobile my local carriers why wouldn't it give me 3G speeds?
I really want this phone because I wanted something different, something you won't see out here much. Plus I wanted to get back to Sony phones after playing with other manufactors. Can anyone help clear this is up for me?
Click to expand...
Click to collapse
LT15i = T-Mobile 3G bands
LT15a = AT&T 3G bands
augie7107 said:
LT15i = T-Mobile 3G bands
Click to expand...
Click to collapse
No, the LT15i doesn't support the AWS (1700MHz) band so it won't support T-Mobile US's 3G service.
Step666 said:
No, the LT15i doesn't support the AWS (1700MHz) band so it won't support T-Mobile US's 3G service.
Click to expand...
Click to collapse
T-Mobile also uses 2100
Hmm I thought that tmobile U. S used the same 3G bands as europe. So in theory it should work right?
Sent from my GT-I9000 using XDA Premium App
augie7107 said:
T-Mobile also uses 2100
Click to expand...
Click to collapse
No they don't.
T-Mobile's 3G uses a ~1700MHz frequency to upload and a ~2100MHz frequency to download, this is the '1700MHz band', also referred to as 'AWS' or 'UMTS band IV'.
Compare this to the '2100MHz band' ( or 'UMTS band I') which uses a frequency of ~1900MHz to upload and a frequency of ~2100MHz to download. The two are not cross-compatible.
The LT15i supports the 2100MHz band but not the 1700MHz band, so no 3G on T-Mobile.
If you don't believe me, feel free to read this thread on T-Mobile US's own site.
People with handsets that only support the 2100MHz band don't get 3G service.
Hero Yu said:
Hmm I thought that tmobile U. S used the same 3G bands as europe.
Click to expand...
Click to collapse
They don't.
[No they don't.
T-Mobile's 3G uses a ~1700MHz frequency to upload and a ~2100MHz frequency to download, this is the '1700MHz band', also referred to as 'AWS' or 'UMTS band IV'.]
Thanks for the detailed explanation.
You obviously know more about this than I do.
I do believe your first two statements are contradictory.
You state "no they don't" and then go on to say "they use a 2100 to download"
All other SE "I" version phones work with T-Mobile 3G, correct?
augie7107 said:
[No they don't.
T-Mobile's 3G uses a ~1700MHz frequency to upload and a ~2100MHz frequency to download, this is the '1700MHz band', also referred to as 'AWS' or 'UMTS band IV'.]
Thanks for the detailed explanation.
You obviously know more about this than I do.
I do believe your first two statements are contradictory.
You state "no they don't" and then go on to say "they use a 2100 to download"
All other SE "I" version phones work with T-Mobile 3G, correct?
Click to expand...
Click to collapse
They never make anything the same. They may work or they may not. You should pay attention to every details of any product you are buying, no general rules existing with any product specially gadgets which they get a new technology everyday.
augie7107 said:
I do believe your first two statements are contradictory.
Click to expand...
Click to collapse
I can see why you might think that but it's not contradictory because band and frequency are not the same.
If we look at the specs for the Arc, it says says '3G Network HSDPA 900 / 2100' (that's the LT15i, the line below is the frequencies supported by the LT15a).
Those numbers refer to UMTS bands I and VIII as listed here.
As you can see from the page on Wikipedia, every band operates on two different frequencies, one for uploading and one for downloading. This is to avoid interference.
So even though the download frequencies of the 1700 band and the 2100 band are the same, the two bands are not compatible as the upload frequencies are different (sorry for all the underlining, it just makes it easier to explain...).
It would be a lot simpler if each band's upload and download frequencies were distinct, it would be far less confusing but I guess there's some sort of reason why things are the way they are...
augie7107 said:
All other SE "I" version phones work with T-Mobile 3G, correct?
Click to expand...
Click to collapse
I don't think so, not unless they say they support the 1700/AWS band.
Basically, unless a phone's specs say it supports 1700MHz for 3G (or mentions AWS support, which means the same thing), it should be assumed that it won't give you 3G on T-Mobile US.
Though this all starts to become even more confusing when local roaming agreements are factored in but I don't really know anything about that to be honest.
Nishua said:
Hello,
Maybe you guys can help me clarify something for me. I want to buy this phone and get the unlocked version. Only problem is no matter which seller I'm looking at on Ebay they're all saying "3G Not compatible in the U.S" which means I'll be running at 2G and I actually considered this ok because i really want to this phone. But I want to know why it won't work? If it's a GSM phone and it would work with AT&T & T-Mobile my local carriers why wouldn't it give me 3G speeds?
I really want this phone because I wanted something different, something you won't see out here much. Plus I wanted to get back to Sony phones after playing with other manufactors. Can anyone help clear this is up for me?
Click to expand...
Click to collapse
In short:
LT15i: 2G will work just fine on both AT&T and T-Mobile. 3G will NOT work on either network.
LT15a: 2G will work just fine on both AT&T and T-Mobile. 3G will ONLY work with AT&T.
so my concerns is..if i am using T Mobile right now...it means I am doomed right? Even the new T mobile 4G(whatever they wanna call it) wont get me the right internet speed to blast the phone?
felixlaw11114 said:
so my concerns is..if i am using T Mobile right now...it means I am doomed right? Even the new T mobile 4G(whatever they wanna call it) wont get me the right internet speed to blast the phone?
Click to expand...
Click to collapse
att bought tmobile couple of weeks back , so ask if they are sharing the 3G frequencies now
alsaqr said:
att bought tmobile couple of weeks back , so ask if they are sharing the 3G frequencies now
Click to expand...
Click to collapse
I am not sure that went completely though. It is still hanging with no solution...
Nimche said:
I am not sure that went completely though. It is still hanging with no solution...
Click to expand...
Click to collapse
if i assume they are not sharing frequency..the only way for me to enjoy 3G/4G internet is to use AT&T?
felixlaw11114 said:
so my concerns is..if i am using T Mobile right now...it means I am doomed right? Even the new T mobile 4G(whatever they wanna call it) wont get me the right internet speed to blast the phone?
Click to expand...
Click to collapse
'4G' has nothing to do with any of this - that's just speed, it doesn't change which band T-Mobile use.
alsaqr said:
att bought tmobile couple of weeks back , so ask if they are sharing the 3G frequencies now
Click to expand...
Click to collapse
They're not.
The merger hasn't even been approved yet, let alone any sort of migration of customers.
If the merger is approved, you're talking anywhere from 1 year to 3 before you see any real-world differences like the ones you're suggesting.
...um...I am doom-ed then..
I read their press and their said the deal wont close until the end of the year
Assuming the regulators allow it to go ahead at all.
There are, rightly so, concerns about a single national GSM-based network and the knock-on effect that would have on competition.
seems like I got a smart phone that not gonna be that smart
augie7107 said:
T-Mobile also uses 2100
Click to expand...
Click to collapse
tmo uses 1700 downlink and 2100 uplink. phone must support both freqs to get 3G. LT15i does not support 1700, hence 3G will not work.

[Q] unable to get 3G internet speed on mobile network

Hi, im in Jamaica, using my HTC MyTouch 4 G but unfortunately my phone refuse to connect to more than EDGE speed on any of the mobile network, it is unlocked & therefore able to use any SIM but no matter which networks i connect to this phone refuse to go any faster than edge. Today I tried my SIM in another phone which is an Iphone 3G, and it instantly picked up 3G speed so it prove that the problem is with my phone & not the networks, can anybody give some advice? My internet settings are all correct & entered by the technicians at all the respectful phone companies
Did you do factory restore settings.. or just factory reset the whole phone..ooh are you on Android 2.1 or 2.3. Also go to network mode and see if its not on GSM only.
Sent from my HTC Glacier using xda premium
jamgirl said:
Hi, im in Jamaica, using my HTC MyTouch 4 G but unfortunately my phone refuse to connect to more than EDGE speed on any of the mobile network, it is unlocked & therefore able to use any SIM but no matter which networks i connect to this phone refuse to go any faster than edge. Today I tried my SIM in another phone which is an Iphone 3G, and it instantly picked up 3G speed so it prove that the problem is with my phone & not the networks, can anybody give some advice? My internet settings are all correct & entered by the technicians at all the respectful phone companies
Click to expand...
Click to collapse
the mytouch 4g and all other tmobile phones will only have 3g/4g on tmobile networks. this is because the bands that the mytouch 4g and other tmobile devices have are different from most of the world's. so unless another carrier has the same bands as tmobile, 1700/2100/AWS, EDGE will be the fastest you get. the iPhone 3G is capable of 3G because it's band is the same as most of the world's carriers network bands for 3G: 850 / 1900 / 2100.
this doesn't have anything to do with factory resetting the phone or whatever. it is simply hardware.
hope this sheds some light for you.
jamgirl said:
Hi, im in Jamaica, using my HTC MyTouch 4 G but unfortunately my phone refuse to connect to more than EDGE speed on any of the mobile network, it is unlocked & therefore able to use any SIM but no matter which networks i connect to this phone refuse to go any faster than edge. Today I tried my SIM in another phone which is an Iphone 3G, and it instantly picked up 3G speed so it prove that the problem is with my phone & not the networks, can anybody give some advice? My internet settings are all correct & entered by the technicians at all the respectful phone companies
Click to expand...
Click to collapse
The reason it worked in the iPhone is that T-Mobile and att use different 3g bands and the hardware in those phones is only setup to work on those bands. Before you buy a phone, unlocked you should find out what bands your local networks use.
saranhai said:
the mytouch 4g and all other tmobile phones will only have 3g/4g on tmobile networks. this is because the bands that the mytouch 4g and other tmobile devices have are different from most of the world's. so unless another carrier has the same bands as tmobile, 1700/2100/AWS, EDGE will be the fastest you get. the iPhone 3G is capable of 3G because it's band is the same as most of the world's carriers network bands for 3G: 850 / 1900 / 2100.
Click to expand...
Click to collapse
Just some semantics: "most of the world" uses 2100 band, which makes MT4G compatible with most existing networks in Europe and around the world. Americas (both North and South), on the other hand, happen to use mostly 850 and 1900 bands, uncommon in the rest of the world, which are indeed incompatible with MT4G.
Am still confused.. even some people and parts of the united states people still fall on or can't get pass edge..anyway...
Sent from my HTC Glacier using xda premium
As long as you don't have a compatible-band cellular tower of your carrier in vicinity, you won't get 3G. Not all cellular towers support 3G.
And if your carrier's band(s) aren't compatible, then you never get 3G.
jr_718 said:
Am still confused.. even some people and parts of the united states people still fall on or can't get pass edge..anyway...
Sent from my HTC Glacier using xda premium
Click to expand...
Click to collapse
That's because they can't get good signal where they live.
Sent from the HTC Glacier Sense 3.0 using XDA premium app
saranhai said:
the mytouch 4g and all other tmobile phones will only have 3g/4g on tmobile networks. this is because the bands that the mytouch 4g and other tmobile devices have are different from most of the world's. so unless another carrier has the same bands as tmobile, 1700/2100/AWS, EDGE will be the fastest you get. the iPhone 3G is capable of 3G because it's band is the same as most of the world's carriers network bands for 3G: 850 / 1900 / 2100.
this doesn't have anything to do with factory resetting the phone or whatever. it is simply hardware.
hope this sheds some light for you.
Click to expand...
Click to collapse
thanks so so much to everyone who took time out to answer my question, i am no more happier than when i asked my question unfortunately but i am so much wiser and now with more knowledge, lol , i know now what i need to do, get rid of the phone and get myself a more compatible phone...unless there is a way to manipulate or change the network factory/hardware settings in the phone???...any ideas?
Nope. Some phones are restricted to certain bands by software (radio build), but unfortunately this restriction seems to be in HW.
jamgirl said:
thanks so so much to everyone who took time out to answer my question, i am no more happier than when i asked my question unfortunately but i am so much wiser and now with more knowledge, lol , i know now what i need to do, get rid of the phone and get myself a more compatible phone...unless there is a way to manipulate or change the network factory/hardware settings in the phone???...any ideas?
Click to expand...
Click to collapse
With some God like skills you may be able to remove the HW antenna from a T-Mobile phone and replace the one in this phone. While I would not suggest it. I didn't want to tell you there was NO way to do it.
I hope someone in this thread can answer the same kinda question for me, but in a different way. Right now I'm in the United States on Simple Mobile's 40$ 3G Plan, but I noticed on my MyTouch 4G (Running the latest RoyalGinger) that I am connected at 4G speeds, however shouldn't my indicator for Data/internet connector on the phone read off as 3G instead of 4G? When i ran a bandwidth test on my phone from DSL Reports Mobile Speed Test, I got the following from a 100k file.
124 kbit/sec
0.287s latency
6.72s d/l time
Is that how fast 3G usually is? or should I be going faster? Thanks to anyone who can help.

are you tmobile customers ready for some badass phones?!!!!

http://www.engadget.com/2011/12/20/...dts-seven-year-umts-roaming-agreement-gets-d/
What that basically does is TMO and ATT will SHARE the spectrum, meaning their phones have to have the same bands, and you guys know that ATT gets most of the cool phones and TMO usually gets nothing but Galaxy S series as its top of the line phone.
That's really good news, i actually like it.
discuss?
Is there a list of what towers TMO received.
Does this mean i can use an unlocked international phone with 2100 mhz HSPA+ on t-mobile and still get 3G?
Tmobile gonna have iphone now? Hells yeah
Sweet news. T-mobile just surprised me with a comeback!
Wait, how does this mean we get their phones too? Is it just because we're gonna share the same network?
Sent from my Vibrant
Nabeel10 said:
Wait, how does this mean we get their phones too? Is it just because we're gonna share the same network?
Sent from my Vibrant
Click to expand...
Click to collapse
This is only good if answer to my question above is yes. I mean can we use unlocked world phones? I can get a used galaxy s2 international version and use on t mobile. That will be awesome!
Nabeel10 said:
Wait, how does this mean we get their phones too? Is it just because we're gonna share the same network?
Sent from my Vibrant
Click to expand...
Click to collapse
It'll be sharing the same spectrum, meaning their phones will be compatible with TMO's network.
rakeshchn said:
This is only good if answer to my question above is yes. I mean can we use unlocked world phones? I can get a used galaxy s2 international version and use on t mobile. That will be awesome!
Click to expand...
Click to collapse
I honestly can't answer that, but just opinion wise, i think thats a no. International phones have different bands than that of ATT or TMO, but if ATT gets a phone that we don't (iphone) we SHOULD be able to use it.
They aren't sharing spectrum, they have a roaming deal. Which is totally different.
T-Mobile has had some nice phone though, didn't we have the first dual core? The Sensation, Amaze, G2X, and SGS2 are all top of the line.
Just curious though, wouldn't this mean that At&t's already terrible data speeds will become worse, since more people will be using the same spectrum?
My unlocked 3gs is still just hitting edge..guess im not in the area affected by this.
*puts iphone back in dusty corner*
Sent from my SGH-T959 using xda premium
jamesd86 said:
My unlocked 3gs is still just hitting edge..guess im not in the area affected by this.
*puts iphone back in dusty corner*
Sent from my SGH-T959 using xda premium
Click to expand...
Click to collapse
Pretty sure it hasn't happened yet.
Sent from my SGH-T959 using XDA App
Most of the current international phones are compatible with ATTs 2100 mhz HSPA+ network. Not LTE though. But i think what this new arrangement is to use ATT towers only for roaming where tmobile towers are not available. All t mobile phones do support the 2100 band, so that makes sense. But Att phones cannot work on tmobile 3G/HSPA+ 850 mhz band.
rakeshchn said:
Most of the current international phones are compatible with ATTs 2100 mhz HSPA+ network. Not LTE though. But i think what this new arrangement is to use ATT towers only for roaming where tmobile towers are not available. All t mobile phones do support the 2100 band, so that makes sense. But Att phones cannot work on tmobile 3G/HSPA+ 850 mhz band.
Click to expand...
Click to collapse
Yep. I wouldn't go buying an AT&T device just yet. They're not merging their networks. They're just letting TMo customers use their network in some areas. This isn't a full frequency overlap of the companies' networks as the OP is implying.
Guys get a Windows Phone 7 phone!
So smoooth and sliickk!!! Lol
Sent from my Surround.
VeryCoolAlan said:
Guys get a Windows Phone 7 phone!
So smoooth and sliickk!!! Lol
Click to expand...
Click to collapse
Lol. By the way, did you guys know that a Windows phone can have it's messaging app destroyed via a text message? Check out this video...
N00B_IN_N33D said:
Lol. By the way, did you guys know that a Windows phone can have it's messaging app destroyed via a text message? Check out this video...
Click to expand...
Click to collapse
...hey alan can i have your number? >.>
Wow Alan, figured that's why you've been so quiet lately +.+
Sent from my Vibrant
Sharing Spectrum
heygrl said:
They aren't sharing spectrum, they have a roaming deal. Which is totally different.
Click to expand...
Click to collapse
I think they are going to be sharing "some" spectrum. It has already started:
http://www.evdoinfo.com/content/view/3887/64/
zoid_99 said:
I think they are going to be sharing "some" spectrum. It has already started:
http://www.evdoinfo.com/content/view/3887/64/
Click to expand...
Click to collapse
That's their own spectrum and has nothing to do with AT&T.

[HELP] [URGENT] Looking for a Network work with 2100UMTS

Hi fellows xda, i'm an international student here in the States and I just came 3 days ago. Now after purchasing a T-mobile SIM Card I realize that, T-mobile 3G network does NOT work with my device, which is an iPhone 3Gs unlocked. I do not know its origin because a friend give it away to me, but I can use it normally in Asia so I assume that it uses 900/2100 UMTS band for 3G/HSDPA.
After a while of searching now I know that none of T-mobile nor AT&T support this baseband, so my question is, are there any other U.S service provider that support this band so I can get 3G/HSDPA working on my phone ? I desperately need this feature because I need to skype with my family back home. So please, any suggestion would be helpful. I don't want my phone will be a brick here because it doesn't have internet on it.
Thank so much guys for any help or suggestion. I'm waiting for all your replies.
I think the 3gs has 1900.
Sent from my XT883 using xda app-developers app
yeah i think so but T-mobile band is 1700.
if you mean I can have EDGE, yes i do. but it just not enough.
thank for your reply.
hey said:
yeah i think so but T-mobile band is 1700.
if you mean I can have EDGE, yes i do. but it just not enough.
thank for your reply.
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T-mobile uses both 1700mHz/2100mHz bands. 1700 for the downlink. 2100 for the uplink. It won't work only on 2100.
Sent from my HTC_Amaze_4G using xda premium
yes i do know that basically my phone will not have any 3G on T-mobile.
so is there any other network provider that will work with my phone ?
hey said:
yes i do know that basically my phone will not have any 3G on T-mobile.
so is there any other network provider that will work with my phone ?
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AT&T
Sent from my XT883 using xda app-developers app
MrObvious said:
AT&T
Sent from my XT883 using xda app-developers app
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humm...
i don't know if my phone was AT&T either... so i will give it a try.
but i think the most possible that it will not work... because AT&T is 1900 i think...
hey said:
humm...
i don't know if my phone was AT&T either... so i will give it a try.
but i think the most possible that it will not work... because AT&T is 1900 i think...
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I thought the 3Gs had 1900 in the antenna.
MrObvious said:
I thought the 3Gs had 1900 in the antenna.
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i don't really know. maybe. i just know for sure that it has 2100 because my country's where i use it with 3g is 2100.
i'll give it a shot this weekend anyway. thanks for the tip.
EDIT: yes, i've search. it does operate on 1900. so i'll be changing to at&t next month then. because i've already payed for the 1-month prepaid t-mobile plan though.
thank you so much
EDIT: but it seems at&t plans are a little bit expensive for a student like me. and i do see complains about the service. so if possible. are there any other network that work with 850/1900/2100 3G baseband ? just curious. so i will be like having a choice. if not, it is att for sure.
hey said:
i don't really know. maybe. i just know for sure that it has 2100 because my country's where i use it with 3g is 2100.
i'll give it a shot this weekend anyway. thanks for the tip.
EDIT: yes, i've search. it does operate on 1900. so i'll be changing to at&t next month then. because i've already payed for the 1-month prepaid t-mobile plan though.
thank you so much
EDIT: but it seems at&t plans are a little bit expensive for a student like me. and i do see complains about the service. so if possible. are there any other network that work with 850/1900/2100 3G baseband ? just curious. so i will be like having a choice. if not, it is att for sure.
Click to expand...
Click to collapse
Just get a Straight Talk AT&T SIM. It's 15 bucks for the SIM and 45 for the unlimited calls/sms and "unlimited" data.
MrObvious said:
Just get a Straight Talk AT&T SIM. It's 15 bucks for the SIM and 45 for the unlimited calls/sms and "unlimited" data.
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yeah it is a little too much. like double what i have to pay for my T-mobile. just 30 bucks for the whole package including the SIM already, 100min talk, unlimited sms and data. so it just as good. because i don't call that much though. just data. thanks for the detail anyway. appreciate it. so i'll be heading over att next month.

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