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[Q] Does a rooted T-Mo N1 work on AT&T?

Hello community,
I couldn't find any info through the Search, so I was hoping someone could let me know if a rooted Nexus One for T-Mobile would work on AT&T. I have the unlocked bootloader, custom recovery image and ROM, the whole 9 yards, but what I don't have is the understanding about GSM networks and how the modifications I made to my phone affect the cross-network compatibility.
Any help is greatly appreciated. Thanks guys.

The two models operate on different gsm bands. An unrooted t-mobile n1 will work on att, but only on edge..
Sent from my HTC Desire using XDA App

drewzee said:
The two models operate on different gsm bands. An unrooted t-mobile n1 will work on att, but only on edge..
Sent from my HTC Desire using XDA App
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They are ALL sold unlocked in the states.

True but there's 2 different unlocked versions and what the guy above you said is true.
zachthemaster said:
They are ALL sold unlocked in the states.
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Click to collapse
Sent from my Nexus One using XDA App

Rooting should have no affect on it.
And if its the TMO version of the phone you will only have 2g (edge) on ATT. Seeing as both networks use different frequencies. And the cellular antenna will only be tuned to pick up 3g+ signals from TMOs frequencies.
Sent from my Nexus One using XDA App

Branden10 said:
Rooting should have no affect on it.
I think..
But AT&T doesn't allow apps to be installed via apk files. So no 3rd party stuff.
If I'm correct.
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Click to collapse
You are so painfully incorrect. At&t has no presence on this phone. Get your facts right before you post here.
a T-Mobile Nexus One wont work on at&t's 3G network. Only on edge. Rooting has no effect.
Now close the thread.
Sent from my Nexus One using XDA App

U.S companies that work with the GT-N7000

What companies does the international galaxy note work with in the u.s?....

T-Mobile and Straight Talk are the main two.
Sent from my GT-N7000 using xda premium

To be honest, any GSM carrier. There's really only two GSM carriers, T-Mobile and At&t. Since the GT-N7000 is unlocked for the two, almost any sim will give you service. Stick with straight talk if you wanna keep it cheap. $15 Sim, and $45 unlimited everything.
Sent from my myTouch_4G_Slide using Tapatalk

AgentCherryColla said:
To be honest, any GSM carrier. There's really only two GSM carriers, T-Mobile and At&t. Since the GT-N7000 is unlocked for the two, almost any sim will give you service. Stick with straight talk if you wanna keep it cheap. $15 Sim, and $45 unlimited everything.
Sent from my myTouch_4G_Slide using Tapatalk
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And how is your 3g ?? I see there is some problems with 3g on T-Mobile. Please response.
I'd like to buy Note but I hate contract plan's and I like fast 3g internet.
Sent from my PC36100 using Tapatalk 2 Beta-6

Bump
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vasiaeva said:
Bump
Sent from my PC36100 using Tapatalk 2 Beta-6
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I'm happy with it on AT&T... noticeably faster than wifes 4s

vasiaeva said:
And how is your 3g ?? I see there is some problems with 3g on T-Mobile. Please response.
I'd like to buy Note but I hate contract plan's and I like fast 3g internet.
Sent from my PC36100 using Tapatalk 2 Beta-6
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as has been posted many times on here and in the 3/4g tmo dev radio thread youre not going to get 3/4g unless you live in an area that tmo is using the 1900 frequency and thats out in the northwest... n7000 = 850/1900 freq tmo = 1700/2100 (except a Very select few areas that they use the 1900
as for the quick answer for anyone still wondering what carrier... any that uses the 850/1900 freq... the 1700/2100 ones are out of luck until bedwa or another dev finds a radio to flash to make it work...

well if any one is still looking to get a gnote on t-mobile, maybe you should wait.....the word is it coming out officially on tmobile.....no more hassles on making everything work on tmobile....lol....but its weird...now that i can get it for tmobile in a couple of months.....i want it on verizon/sprint cdma network....lol...does anybody know if its coming out on a cdma network?.....ive read about it coming out on cdma as the galaxy journal but when?...or the real question is....is it coming out on cdma at all?....lol..

This is correct, but woefully incomplete.
TMO is limited to EDGE with the Note given incompatible 3G wireless bands, so while it will "work", it will be a dog on data.
The only practical carriers for the Note in the USA are Straightalk and ATT
AgentCherryColla said:
To be honest, any GSM carrier. There's really only two GSM carriers, T-Mobile and At&t. Since the GT-N7000 is unlocked for the two, almost any sim will give you service. Stick with straight talk if you wanna keep it cheap. $15 Sim, and $45 unlimited everything.
Sent from my myTouch_4G_Slide using Tapatalk
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Is the HTC One's sim tray unlocked?

At my second job my company is sending me a Sprint HTC one to use as my work phone and they want me to activate it on my Sprint account or they'll pay the deposit to open the account if there's one. But where I live I don't good coverage from them and there 3G is SUPER SLOW, I can't really stand the sucky service in my area. I Have T-Mobile and have good coverage where ever I go and was wondering if the sim tray in the Sprint Htc one is Unlocked so I can just activate with my T-Mobile account and pop in a T-Mobile SIM card. If any one can please confirm this would be much appreciated. Thanks in advance.

No
Sent from my HTCONE using Tapatalk 2

I'm 99% sure it's a no. T-Mobile uses different radios from Sprint, I think AT&T and T-Mobile use the same radios, which is why you can use unlocked AT&T phones on T-Mobile.

001isj said:
I'm 99% sure it's a no. T-Mobile uses different radios from Sprint, I think AT&T and T-Mobile use the same radios, which is why you can use unlocked AT&T phones on T-Mobile.
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This. Att and tmobile use gsm radios and sprint and verizon use cdma.
Sent from my HTCONE using xda app-developers app

The sprint one has support for some gsm bands. Read this...
http://s4gru.com/index.php?/blog/1/entry-342-updated-all-for-htc-one-htc-one-for-all/
Sent from my EVO using Tapatalk 4 Beta

david279 said:
The sprint one has support for some gsm bands. Read this...
http://s4gru.com/index.php?/blog/1/entry-342-updated-all-for-htc-one-htc-one-for-all/
Sent from my EVO using Tapatalk 4 Beta
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I'm sure those bands don't exist anywhere significant.
Sent from my HTC One using xda app-developers app

It says the HTC one has been modified for sprint and it doesn't confirm that the phone supposes gsm on the sheet it only specifies CDMA and lte frequencies
Sent from my EVO using xda premium

According to some Sprint forums it is a world phone. It just isn't unlocked.
Sent from my LG-LS970 using xda premium

A world phone can have many different interpretations such as using a gsm network somewhere else or just roaming outside the us and we can all roam outside the us such as mexico which is domestic roaming and I think that is also considered a world phone since ur using it somewhere else
Sent from my EVO using xda premium

In the OP's case, a discussion as to whether the phone is SIM locked or unlocked on the One is completely moot because the Sprint variant of the device does not possess the GSM or UMTS/WCDMA frequency bands needed to operate in most of the Americas, including the United States. It only does GSM 900/1800 and UMTS 2100. In other words, even if it was unlocked for other companies' US GSM or UMTS SIM cards it wouldn't be able to get any signal in the US, or for that matter, anywhere in most of North, Central, or South America or in other parts of the world where the GSM or UMTS 850 or 1900 MHz bands are used.

david279 said:
The sprint one has support for some gsm bands. Read this...
http://s4gru.com/index.php?/blog/1/entry-342-updated-all-for-htc-one-htc-one-for-all/
Sent from my EVO using Tapatalk 4 Beta
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shook187 said:
I'm sure those bands don't exist anywhere significant.
Sent from my HTC One using xda app-developers app
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According to this article, which I have linked several times on here in response to this question, the ONE on Sprint most likely has GSM 900/1800mhz capability. Which is the GSM most all of the world uses except for the US. That is why it is a "World Phone."

raptoro07 said:
According to this article, which I have linked several times on here in response to this question, the ONE on Sprint most likely has GSM 900/1800mhz capability. Which is the GSM most all of the world uses except for the US. That is why it is a "World Phone."
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Partially true since this does not only apply to the US specifically. See my post right before yours.

myphone12345 said:
True since this does not only apply to the US specifically. See my post right before yours.
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Fixed that for you. You could not use it in the US.

but even by flashing a customized firmware once the phone has been rooted the phone is unable to manage others sim cards?
is there any change to remove the sim lock somehow?

manuele.f said:
but even by flashing a customized firmware once the phone has been rooted the phone is unable to manage others sim cards?
is there any change to remove the sim lock somehow?
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Even if it was sim unlocked it wont work. Its a hardware limitation, not a software one. It cant run on the frequencies that North America uses for GSM.

It does run frequencies that we run here in the us. It supports 1900 and 2100 utms. 850 and 900 gsm. Both are used here in the us by at&t and t-mobile.
Sent from my HTCONE using Tapatalk 4 Beta

david279 said:
It does run frequencies that we run here in the us. It supports 1900 and 2100 utms. 850 and 900 gsm. Both are used here in the us by at&t and t-mobile.
Sent from my HTCONE using Tapatalk 4 Beta
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Isnt it hardware limited to a point where it cant operate on a 3g/hspa gsm data network? i.e. if you do sim unlock and take it to a gsm carrier you will not get anything over 2g/edge speed?

Possible to pick up AT&T LTE?

I was playing around with my T-Mo Z C6606 for over a week.
Yesterday, I decided to flash it with new rom 10.3.1.A.0.244 Generic ES.
I rooted it and it worked properly.
After reading a post about enable LTE in Canada, I decided to flash my Z with C6506 baseband.
Everything is going good and it shows my Z now supports LTE_BC1, LTE_BC2, LTE_BC4, LTE_BC5, LTE_BC17 while stock rom only supports LTE_BC4 for T-Mo LTE. AT&T LTE is LTE_BC4 and LTE_BC17.
However, my Z is still not picking up LTE. I also read that I need to call at&t to update imei to make it connects to LTE.
I called them and they added my Z imei but so far, it is still not picking LTE signals, only H+.
I am not sure if ZL baseband doesn't work with Z or something else.
I appreciate your comments.

wolf0491 said:
I didn't think t mobile and ATT used same LTE bands
Sent from my C6603 using xda app-developers app
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I did research and know that t-mobile use band 4 (aws or 1700/2100) for LTE, while at&t use both band 4 and 17 (700) for their LTE.
My Z is now showing it has both bands 4 and 17, but it is still not picking up LTE.
Sent from my C6606 using Tapatalk 2

OK, it's ZL baseband issue. I just put t-mo SIM back in and it is not picking up LTE either. I reflash back stock baseband and it picked up LTE right away.
I may have to wait for someone with C6616 would like to create ftf and upload it.
Sent from my C6606 using Tapatalk 4 Beta

wolf0491 said:
Not sure if it's possible but I know with 3G bands they only do certain ones certain places which is why my C6603 gets awful data sometimes on AT&T. Idk just a thought?
Sent from my C6603 using xda app-developers app
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So what would u tell me? I was gonna bring over from Germany my C6603 but it seems it isn't working right in the USA then? I should sell it or still keep it? I would hate to get rid of it but I guess I have too.
Sent from my C6603 using Tapatalk 4 Beta

C6603 LTE doesn't work in the US with both t-mobile and at&t. However, you can try flash it with C6606 baseband from t-mobile. It may work.
Sent from my C6606 using Tapatalk 4 Beta

Can you trying flashing the tmobile model with bell canda firmware? They use lte bands 4 and 17

wolf0491 said:
It works only on one of 3G bands of ATT. Take a look at the map to see if where you live is working well with that band. When I travel I get awful service in places with this model but where I live it works pretty decent. If you have a c6602 though I belive that is pentaband and should work on every 3G band.
Sent from my C6603 using xda app-developers app
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How about flashing a C6602 or C6606 or even C6616 would that allow me to get at least in hspa+ service on att or t mobile? Or can't I change the bands on the phone with flashing a different model ftf?
Sent from my C6603 using Tapatalk 4 Beta

I did and only found out C6616 on Bell doesn't have Band 17 either.
I have downloaded FTF of C6616 on this forum too.
samven582 said:
Can you trying flashing the tmobile model with bell canda firmware? They use lte bands 4 and 17
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wolf0491 said:
It works only on one of 3G bands of ATT. Take a look at the map to see if where you live is working well with that band. When I travel I get awful service in places with this model but where I live it works pretty decent. If you have a c6602 though I belive that is pentaband and should work on every 3G band.
Sent from my C6603 using xda app-developers app
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But u do get service everywhere where att has service but not 3G all the time but edge u do is that correct?
Sent from my C6603 using Tapatalk 4 Beta

ngvuanh said:
I was playing around with my T-Mo Z C6606 for over a week.
Yesterday, I decided to flash it with new rom 10.3.1.A.0.244 Generic ES.
I rooted it and it worked properly.
After reading a post about enable LTE in Canada, I decided to flash my Z with C6506 baseband.
Everything is going good and it shows my Z now supports LTE_BC1, LTE_BC2, LTE_BC4, LTE_BC5, LTE_BC17 while stock rom only supports LTE_BC4 for T-Mo LTE. AT&T LTE is LTE_BC4 and LTE_BC17.
However, my Z is still not picking up LTE. I also read that I need to call at&t to update imei to make it connects to LTE.
I called them and they added my Z imei but so far, it is still not picking LTE signals, only H+.
I am not sure if ZL baseband doesn't work with Z or something else.
I appreciate your comments.
Click to expand...
Click to collapse
mine's factory unlocked(its a c6606) if you want to mail me an LTE card to try it, I can

pimpsuprazx said:
mine's factory unlocked(its a c6606) if you want to mail me an LTE card to try it, I can
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Mine is also factory unlocked, but I paid for it. You can check your service configuration by enter a combination key *#*#7378423#*#*
You should only have LTE_BC4.
Without LTE_BC17, you can't pick up at&t LTE.
Sent from my C6606 using Tapatalk 4

ngvuanh said:
Mine is also factory unlocked, but I paid for it. You can check your service configuration by enter a combination key *#*#7378423#*#*
You should only have LTE_BC4.
Without LTE_BC17, you can't pick up at&t LTE.
Sent from my C6606 using Tapatalk 4
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what do i do after I get in? lol like how do I check it?

pimpsuprazx said:
what do i do after I get in? lol like how do I check it?
Click to expand...
Click to collapse
Using phone and enter above code.
Service screen will be displayed.
Click on service info and then configuration.
Sent from my C6606 using Tapatalk 4

ngvuanh said:
Using phone and enter above code.
Service screen will be displayed.
Click on service info and then configuration.
Sent from my C6606 using Tapatalk 4
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you're totally right, same bc4 thing

pimpsuprazx said:
you're totally right, same bc4 thing
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Yes, I have flashed mine to C6506 baseband which supports LTE band 1, 2, 4, 5, 17, but it's not picking up at&t LTE even t-mobile LTE.
Sent from my C6606 using Tapatalk 4

ngvuanh said:
Yes, I have flashed mine to C6506 baseband which supports LTE band 1, 2, 4, 5, 17, but it's not picking up at&t LTE even t-mobile LTE.
Sent from my C6606 using Tapatalk 4
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I am not sure if they have changed their procedure for what phones they allow to use the LTE bands, but from what I read you need an imei of an AT&T branded phone to get them to change your plan to allow LTE access(doesnt't affect the price of your plan) , then you may use a different phone provided you have the proper apn and it supports AT&T LTE bands(which you are uncertain of at this point). Does your AT&T plan online say it's the LTE plan? I currently have the developer version of the HTC One and people had issues getting LTE access on that phone (this phone definitely has AT&T LTE bands) and people had to resort to using a imei of another AT&T branded LTE phone in order to get access to LTE. I previously had a ATT Galaxy Note 2 and when I got my HTC One I just popped the sim in, never called them, and have been fine since.

Yes, I have 4G LTE Plan on my number as it was on my previous Xperia TL AT&T version.
I also did call them and request to add my Z IMEI and they told me they did. However, I couldn't get LTE so far.
One more thing, I also can't get t-mobile LTE with C6506 baseband firmwares unless I reflash it with stock t-mobile baseband (LTE_BC4 only).
jb313 said:
I am not sure if they have changed their procedure for what phones they allow to use the LTE bands, but from what I read you need an imei of an AT&T branded phone to get them to change your plan to allow LTE access(doesnt't affect the price of your plan) , then you may use a different phone provided you have the proper apn and it supports AT&T LTE bands(which you are uncertain of at this point). Does your AT&T plan online say it's the LTE plan? I currently have the developer version of the HTC One and people had issues getting LTE access on that phone (this phone definitely has AT&T LTE bands) and people had to resort to using a imei of another AT&T branded LTE phone in order to get access to LTE. I previously had a ATT Galaxy Note 2 and when I got my HTC One I just popped the sim in, never called them, and have been fine since.
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AT&T LTE working with C6603 in Southern Cal area atleast.. not in Northern Cal
ive looked all night for another thread on this and didnt find anything.. So with that said i have a T-mo C6606 flashed to C6603 .. In Northern California no Lte in Southern Caliifornia it worked great... So i attached this screen shot as proof.. I chatted with att about it and they said o got lucky and att might be experimenting with 1700 towers down in SoCal but in NorCal its all 700 towers.. I tried flashing the C6506 baseband only now shows LTE 1,2,4,5,17 before only LTE 4 haven't been back to SoCal to retest yet.. It gets 11+ mgbs download speeds in H+ which is find but if there is a will there is a way.. Is there anything i missed? Also this Is on AT&T..

Can you post service info from *#*#7378423#*#*?
I flashed my tmo Z with C6506, but I can't pick up AT&T LTE in my area.
Sent from my Sony Tablet S using Tapatalk 4

I'm not getting it in my area either
Sent from my C6603 using XDA Premium 4 mobile app

[Q] No 4g/LTE

Hello. I have just bought a One with Sprint, I tried several Roms and never I Reached 4G in Spain. When I selected LTE or CDMA no data , If I put it in automatic I have 3G or H but never 4g.

Same issue. I know I can get 4G beause when I drive around, my phone has said 4G on it. With that being said, I only get 4G about .00001% of the time im using the network so it goes to 4G when i dont need it. i doubt its my phone its Sprints towers but that really sucks cuz 3G is sooooooo slow for me.

It's probably because your Spanish carrier does not use CDMA or Sprints LTE bands
Sent from my HTCONE using xda app-developers app

pelon90005 said:
It's probably because your Spanish carrier does not use CDMA or Sprints LTE bands
Sent from my HTCONE using xda app-developers app
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CDMA its not support in spain but for lte htc one sprint ti works in all bands no?

rickyfer said:
CDMA its not support in spain but for lte htc one sprint ti works in all bands no?
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What are the LTE bands there? M7wls has different ones than international.
Sent from my HTCONE using Tapatalk

raptoro07 said:
What are the LTE bands there? M7wls has different ones than international.
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In Spain for the moment is 1800 and 2600. End of this year also 800 but not yet.

Sprint is using 1900 800 and 2500. The sprint HTC only supports the 1900 lte
Sent from my HTCONE using xda app-developers app