[Q] Tmobile Modem Alternating between UMTS and HSPA+ - AT&T Samsung Galaxy Note I717

Flashing the TMobile Blaze Modem has given me a signal on my AT&T Galaxy Note, full bars. However, it is flipping between UMTS and HSPA, and HSPA+ continually. I've searched for info on this with no results. I'd like to go with the cheaper Tmobile $30 prepaid plan for my phone, but need to find out if there is an established fix for this so that my signals will be as strong as a Tmobile Note.
Is this any fix for this?Any tips appreciated.

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[Q] Can I get AT&T speeds while on T-mobile (sim card switch test)?

My Vibrant is on T-mobile and I'm in a contract for a long time to come. My speeds are ok but IMO not great.
I have an AT&T Blackberry from work so I decided to do a test. I unlocked my Vibrant and put my AT&T sim in it. Sure enough my speeds were 2-3X better than I've gotten with my t-mobile service.
Any way to make my phone use those nice AT&T towers or get those greater speeds while on T-mobile?
(and yes, I'm on Bionix V and yes I've tried numerous different modems )
Thanks.
Edit: The most confusing part to me is I actually get a stronger signal with T-mobile. hmpf.
That's odd about the speed boost.
From my understanding, TMO's and ATT frequency for 3G is different. And it's not a software thing, it's a hardware chip. So I think it may of been a fluke of the speed increase.
It is most likely due to maybe where you are you have a stronger ATT signal than TMO, but again, you shouldn't be able to get AT&T 3G on the vibrant, even if unlocked. Since like I said , it's a hardware chip that runs on a different frequency for 3G.
@eminembdg Yes you can get 3G speeds on an Unlocked Vibrant on AT&T. The Vibrant is a Quad-Band device so the radio can pick up AT&T 3G frequency.
Sent from my Vibrant running GingerCloneR2
WilliamKingX17 said:
@eminembdg Yes you can get 3G speeds on an Unlocked Vibrant on AT&T. The Vibrant is a Quad-Band device so the radio can pick up AT&T 3G frequency.
Click to expand...
Click to collapse
Except in areas where the 3G exclusively uses the 850Mhz band. AT&T uses two frequencies for 3G. One works with the Vibrant but the other doesn't.
Right, I certainly am not trying to start up the 850Mhz debate.
This was just a simple test - put in my AT&T sim, I get mbit speeds. Put in my t-mobile sim and get kbit speeds

[Q] Atrix 3G with Cincinnati Bell Wireless?

I may have gotten in over my head and am wondering if anyone can advise if I just blew it or if there is something I can do.
I am a Cincinnati Bell Wireless (CBW) customer and am less than satisfied with the Motorola XT720 and Samsung Galaxy S.
I looked at the specs for the Atrix (3G Network HSDPA 850 / 900 / 1900 / 2100 ) vs the Samsung (3G Network HSDPA 1700 / 2100 ) and since I thought CBW worked on 1700 and 2100) I thought the Atrix may work on it as I was under the impression that if any one of the 3G bands matched the phone would work.
As a side note - part of my issue with the Samsung is the GPS issues. Part of it is more the issue that CBWs 3G network is not super strong and hence I am on edge even in their 3G coverage area.
Anyhow, I can only get an edge connection. While roaming this week end I did get 3G from time to time. The simple answer may be that I screwed up and bought a phone that I can't get to work with Cincinnati Bell Wireless, but I thought I would place a post out here to see if I am overlooking something. Something odd like AT&T locking out the 2100 or something that there may be a hack to open up which would let the phone work with CBW on 3G or something like that.
If anyone has ideas I would appreciate it. The Atrix is an awesome phone. Not sure that I am ready to pay the AT&T rates over what I have with CBW, especially without unlimited data so I thought I'd put a post out here and see if there is something I can try.
Thanks!
Hey man,
Im in the Cincinnati Market as well and have been with ATT for about, well since they were Ameritech. (long time) i have the Atrix and Lapdock and have been researching switching to CBW for the savings of about 100 per month for my 5 phone plan. I think that the 3g should work but havent verifited that yet. i have unlocked my phone and am taking it to the florence mall CBW to try a demo phone sim to see if i can get 3g. i currently average 1.5 mg download and .5 up load, i have noticed a difference in the towers, in some areas i can get up to 4.5 mb download and 1.5 upload on ATT 3g towers, My ATT guy says that the 4g towers will be turned on in September. should be way faster then. so i will let you know what i find out when i try the CBW sim. but im still unsure about the switch because CBW girl says their 4g is a ways off.
Good luck.
Thanks. Look forward to hearing back. At the moment i cant get it to work and cbw says it won't work.
Sent from my SGH-T959 using XDA App
Any updates on whether the Atrix would work on CBW? I've been debating if I should switch over to Cincinnati Bell when my Verizon contract is up.
Right now all I can say is that voice and edge work but not 3G data. Personally I am getting fed up with some of CBWs practices and policies. The best i have to say is they have an unlimited data option.
Sent from my SGH-T959 using XDA App
The 2100 3g band is for Europe only. The atrix will not work anywhere in north America on the 2100 band and it does not have the 1700 band. Unless your carrier lets you roam on att you will not be able to use 3g
Sent from my MB860 using XDA App

T-Mobile USA HSPA+ ?

I have a INTERNATIONAL Samsung Galaxy S2. I am going to be travelling to the states soon. I am planing on getting the ATT Go Phone 50 dollars unlimited plan. My other option is tmobile. However i know they use AWS for their 3G connection but my friend is saying that their HSPA+ 4G network uses the 2100Mhz band. My question is could i use this network with my phone?
Thanks
sm625614 said:
I have a INTERNATIONAL Samsung Galaxy S2. I am going to be travelling to the states soon. I am planing on getting the ATT Go Phone 50 dollars unlimited plan. My other option is tmobile. However i know they use AWS for their 3G connection but my friend is saying that their HSPA+ 4G network uses the 2100Mhz band. My question is could i use this network with my phone?
Thanks
Click to expand...
Click to collapse
Nope. Not how AWS works. AWS requires both 1700 and 2100, as it uses one for uplink and one for downlink. So if you go w/T-Mobile USA, you will be limited to Edge data speeds when not in range of wi-fi.
The other option you have is using one of the smaller networks that piggy-backs on AT&T's network, like h2o.
I don't know much about them though.

[Q] Radio?

I know the Jetstream was designed to be run on AT&T and Rogers, but I am curious if it is possible to flash a radio to enable usage of T-Mobile's HSPA network, much like the Samsung Galaxy Note has been enabled to, as seen here.
Can any of the amazing Devs out there shed some light on this?
jdavis08 said:
I know the Jetstream was designed to be run on AT&T and Rogers, but I am curious if it is possible to flash a radio to enable usage of T-Mobile's HSPA network, much like the Samsung Galaxy Note has been enabled to, as seen here.
Can any of the amazing Devs out there shed some light on this?
Click to expand...
Click to collapse
jdavis08, Simple answer is yes. It is a standard 2G / 3G / LTE (AT&T / AWS band) phone. So you can use it on ANY 2G / 3G / LTE network with a SIM. But you may need to break the SIM Lock on any handset.
Just wanted to clarify. The Jetstream is 2G/3G/LTE /capable, 2G (GSM): 850/900/1800/1900MHz, 3G (UMTS/HSPA): 850/1900/2100, and LTE: 700mhz & AWS-1700/2100.
Currently, T-Mobile only uses the AWS for their HSPA+ network, not LTE (from what I understand, AWS will be transitioned for LTE and 1900mhz refarmed for 3G/4G early 2013) - and if I'm not mistaken, the HSPA+ is only supported by the "3G" band of this device, not the "LTE"
So - to make a long story short. I am a T-Mobile subscriber with various "4G" phones from T-Mobile. Their 4G only works if the phone has a radio with AWS for HSPA as T-Mobile (unlike AT&T) does not use the 1900mhz for their HSPA (yet). I own this tablet.. It has been SIM unlocked and it simply does not get anything above EDGE... and I live near and visit major cities in Washington State, Seattle/Bellevue/Tacoma, which definitely have TMo's 4G coverage.
I know I should just cool my jets until TMo rolls out the network upgrades, as I have no interest in joining AT&T. I was just curious if there was some way to "trick" the phone to use the AWS frequencies for HSPA, like the Galaxy Note has been made to do as the radio specs are identical.
I know that the Note was enabled to do this by flashing another radio. Support is minimal for the Jetstream these days... so I was just reaching out.
Thanks guys

[Q] A few questions

I just got a i777 and unlocked it to tmobile service. I read that its possible to have H+ service on it at all times rather than being stuck on E network. I sometimes get H+ service in certain areas of the city but its usually for a few minutes. I have rooted my phone with Odin. Where would I go from there to get the service to work? I would look around for threads but I wouldn't even know where to start looking, sorry and thanks!
basically unless you live in a new TMobile 1900mhz spectrum city, then you are SOL.
if you are NOT in the new TMobile spectrum, then you will never get better than edge. PERIOD.
A search would have found the answer. T-Mobile and AT$T use different radio frequencies for their higher speed connections. Except as pointed out, unless you are in one of their newer 1900mhz areas you will be stuck at EDGE connections on T-Mobile until they get better coverage. This is the price you pay for using a phone specific to a certain carrier on another carrier's network.

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