ATT unlocked M7 to Tmobile Rom? - AT&T HTC One (M7)

I want to convert my ATT HTC one to a Tmobile HTC one rom to use wifi calling (very poor reception in certain areas for me). Is this possible? Ive spent days trying to find information on it and decided to ask the community. Thanks!

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[Q] HELP!

I have a UK unlocked HTC titan, I get horrible reception in my house and AT&T has given me a 3g Microcell to fix it, well the Microcell has its own problems, but regardless they say that my phone wont work with the Microcell anyways because its only getting E (edge) so they convinced me to get a new phone (Nokia Lumia 900) which i did like, but ultimatly took back because I love my titan so much, they no longer offer the titan 1 and would only give it to me for $199 through their site (which is BS because the titan 2 is $199) I know i should just et the titan 2 but i dislike the curved glass, I like the look and feel of my Titan 1, I would have already dropped AT&T and went to verizon but they have no WP7 phonesand I want to keep my titan...
So I'm asking:
Is there a Rom that I could flash to my titan (Its an Unlocked UK version (British lady voice and all) and AppHub Unlocked) that would set it to the AT&T rom and possibley get better signal as well as 3G capabilities?
I would like to flashmy rom and use the one from AT&T to recieve 3G and use the Microcell as well as overall better coverage.
Im somewhat of a noob to the flashing and dont know if thats how it works or what... Can someone please help?
Thanks.
Dmac1984 said:
So I'm asking:
Is there a Rom that I could flash to my titan (Its an Unlocked UK version (British lady voice and all) and AppHub Unlocked) that would set it to the AT&T rom and possibley get better signal as well as 3G capabilities?
I would like to flashmy rom and use the one from AT&T to recieve 3G and use the Microcell as well as overall better coverage.
Im somewhat of a noob to the flashing and dont know if thats how it works or what... Can someone please help?
Thanks.
Click to expand...
Click to collapse
What a situation you got yourself into I reckon there will be plenty out there who would like to swap their att branded htc titan to your european unlocked titan Anyway back to your question..., yes you can flash your phone with stock cingular (att) rom but it is not a straight forward flashing. You will need to use "goldcard method" to flash a stock cingular (att) rom to your phone. I advise you to read this related threads on goldcard method:
1. http://forum.xda-developers.com/showthread.php?p=24809318#post24809318
2. http://forum.xda-developers.com/showthread.php?t=1371073&highlight=goldcard+spl+downgrade+method
You need to download the Cingular (A&T) rom 1.10 from this thread:
http://forum.xda-developers.com/showthread.php?t=1334468
You just need to rename the nbh file into ETERIMG.nbh to use in your goldcard.
In summary, to flash stock AT&T rom you need to use the goldcard method to flash the Cingular ROM 1.10 to your european unlocked htc titan.
Hope this help.
Moved To General​
Please post questions in the general section​
Thanks a lot! I appreciate the response! Now im faced with 2 options ... sell/trade the phone (I LOVE THE TITAN!) or Get the materials and try out the Rom to see if it fixes my problem. I guess we'll see.
SO YOU ARE TELLING ME THEORETICALLY FLASHING THE STOCK AT&T TITAN ROM TO MY UNLOCKED VERSION WILL FIX THE NO 3G PROBLEM? IS THERE ANY DRAWBACKS OR ANYTHING WITH THIS FLASH, DO I NEED TO MESS WITH THE RADIO? ANY AND ALL INFORMATION IS DEF APPRECIATED!
IF IM GONNA DO THIS, I WANNA KNOW WHAT IM IN FOR AND WHAT IM GONNA GET, AT THIS POINT AT&T GAVE M A MICROCELL TO FIX MY SERVICE PROBLEM (BUT NO 3G ON MY TITAN) AND THEY ALSO GAVE ME AN EARLY UPGRADE OPTION, AND WITH ALREADY HAVING THE NOKIA LUMIA 900 AND HAVING IT FAIL IN COMPARISON TO THE TITAN, SCREEN SIZE WISE (OTHERWISE BEATIFUL PHONE), AND THE TITAN TWO UGLY WITH THE CURVED GLASS AND BUBBLE BACK, LOOKS LIKE IM GONNA HAVE TO TRY ANDROID AGAIN (UGLY UI, BUT MORE APPS)
Thanks again.
There is no guarantee here unfortunately:] and the gold card method is a hit and miss process to say the least. You probably know that by now, as there are few threads running on this forum about this topic. The stock Cingular rom 1.10 has its own bugs (lots of them) you can find more about this by reading opening threads in the general section (Q&A). Your choice Goodluck.
Sent from my Titan using XDA Windows Phone 7 App

GSM question....without flashing/rooting for ATT in USA?

I read the massive post about how the Rezound can now work on a GSM network with flashing/rooting. My question is can it be done without doing either of those? Did the ICS update make it possible? I am asking these questions because my girlfriend wants the Rezound but has a contract with ATT. I'm not super tech savvy when it comes to these type of things, so if its an easy fix or the ICS update fixed it then I'd happily get her the phone. From everything I've read everybody seems to be extremely happy with it, I just switched from an iPhone to a One X and cant believe I ever picked up an iPhone.
Any help would be appreciated!
Thanks
You might have to be rooted to get 3g to work.
Why would you get a phone for $700 from a different carrier, pay for an AT&T sim card, and go through all the trouble and issues of using a CDMA phone on a GSM network when you can get a One x for a third of the price, with LTE, and without any issues?
Yeah what he said ^
Have her get an HTC one X or wait till the One X+ hits. The one x kills the Rezound, and it's a lot of trouble to get 3G working on the Rezound

Using AT&T HTC One on iWireless

I bought an HTC One AT&T that I unlocked then rooted and installed CM11 using the new CyanogenMod Installer. The issue is that I live in an area where you can only get decent cellular speeds using CDMA (Verizon, US Cellular). There are two GSM carriers however, one that is so old, it doesn't offer anything above EDGE and iWireless, a T-Mobile affiliate. I wanted to use it on iWireless, but all they were able to get was EDGE speeds when they tried it on my One. Is there someway to make it accept at least 3G speeds? Maybe by flashing the radio or something. I've never really done more than rooting and installing a ROM, but I'd be willing to try it if it was possible. Any help is greatly appreciated.

Signal sucks?

Recently ended up with this phone, wanted to use it on straight talk with a AT&T sim since it is unlocked.
It works, kind of.
I get one bar or no signal in places I have 2 or 3 bars on my old HTC one M8.
I thought about trying a different rom or a different radio if you can flash those on this phone. I am used to the unlocked bootloader on M8.
I even tried the aluminum foil mod around the battery I found on these fourms. Currently I am back on the HTC because this thing gets no service. Any advice would be appreciated.
Thanks,
Sillycat98
Search the General and Q&A sections for unlocking radio bands, although I don't personally have experience with this - have just seen the multiple threads.
I finally managed to get into the Verizon hidden menu and enable all supported bands, 2 and 5 were unselectable but I think AT&T uses 4. Still getting spotty service, anyone know if any modems are better for gsm than whatever version is with the stock 6.0.1 rom? I've seen a few post mentioning 12b, is that the most stable or something?
How did you did that? Interested in getting 2600Mhz (if possible)

Flashing different rom for new carrier

I have a verizon htc one max s-off, rooted, running the adrenaline rom. I am about to switch carriers to tmobile. I bought a cheap straight talk kit just to see what the service would be like but i only was picking up the edge band?
Anyways after reading some post i added lines to build.prop and changed sku_id=13 to 11 in the defualt.xml in system/customize. It still would not get 3g or 4g. Everything else worked great. I read somewhere my rom is missing the bands.
So i think all the custom verizon roms wont help me? I need a international rom correct? Can you flash a different carrier rom over? I don't want to brick my phone. I don't want to stay with verizon either. Would love to keep this phone and rom. But its looking like i need a different rom to use tmobile.
I found skydragon v2.0 vzw thats supposed to work. But the dowmload buttom at 4uplod.com always lags out. Could not find another download.
My overall goal is to get 4g on tmobile. Any help much appreciated.
Supercid 1111111!!!!
Sent from my HTC0P3P7 using XDA-Developers mobile app
Thanks! I looked up super cid and saved the page.
I think I'm just going to pick up a T-Mobile m7 for now. Seem to be pretty cheap. Having trouble finding a tmobile compatible HTC one Max rom

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