Develop Bugs

Flash Tmobile ROM on AT&T or vice versa - Future Proofing the best!

So I've read thru many threads on here and found people that seemed to have flashed their tmobile ROM onto their AT&T device in order to get proper 3G+ speeds.
1) Does this actually work?
2) Is it better to flash the other way (if possible, AT&T rom onto Tmobile) in order to get maximum service from both phones? What is the best/better phone to purchase for future LTE future proofing?

jaggyjagz said:
So I've read thru many threads on here and found people that seemed to have flashed their tmobile ROM onto their AT&T device in order to get proper 3G+ speeds.
1) Does this actually work?
2) Is it better to flash the other way (if possible, AT&T rom onto Tmobile) in order to get maximum service from both phones? What is the best/better phone to purchase for future LTE future proofing?
Click to expand...
Click to collapse
I am also on the t-mobile Q&A section looking for answers... the best phone for future proof and LTE is the AT&T version... no doubt... now... I am waiting for an AT&T Stock Rooted WITH MODEM included in the same flash zip before I begin testing myself... I already ordered from ebay a dual sim card adapter for the Note 2, and the Note 2 is already unlocked... so... any news on this would be great...

I just flashed Tmobile Jedi X3 with my att note 2...all working perfectly....the steps I took was just to flash rom and one of our att kernels and youll be fine...didnt have to flash modem....just put my straight talk apn in done....Everything perfect...btw jedi X3 is super fast....:good::highfive:

jaggyjagz said:
So I've read thru many threads on here and found people that seemed to have flashed their tmobile ROM onto their AT&T device in order to get proper 3G+ speeds.
1) Does this actually work?
2) Is it better to flash the other way (if possible, AT&T rom onto Tmobile) in order to get maximum service from both phones? What is the best/better phone to purchase for future LTE future proofing?
Click to expand...
Click to collapse
Sounds like you might be in the same boat as me. Anxious to get a Note II but not sure which network to commit to with it. Your comment about needing to get a TMo ROM to get "proper 3G+ speeds" is disconcerting. It also pushes me a bit towards TMo since it's got the LTE radio promised for future update.
What exactly is wrong with the stock device's 3G+ speeds on AT&T?
Where I live and work (Los Angeles area - San Fernando & Santa Clarita valleys), LTE's not activated, and no firm date when it will come our way. AT&T's HSPA data speeds here aren't anything to write home about, but neither are TMo's when I tested one of their devices in the local shop. My AT&T phone is lucky to get 4Mb/s down, 0.2Mb/s up, and generally only about 2-3Mb/s down. The TMo Galaxy SIII I tested got 4MB/s down. Hard numbers to swallow when I've got an SIII on VZW LTE pulling down 20Mb/s in the same area.

alewis2k12 said:
I just flashed Tmobile Jedi X3 with my att note 2...all working perfectly....the steps I took was just to flash rom and one of our att kernels and youll be fine...didnt have to flash modem....just put my straight talk apn in done....Everything perfect...btw jedi X3 is super fast....:good::highfive:
Click to expand...
Click to collapse
Jedy 3 is an international rom, not T-Mobile with wifi calling... with 3.5G on T-mobile on Jedi 3? (HSPA+)

Clarification Requested
alewis2k12 said:
I just flashed Tmobile Jedi X3 with my att note 2...all working perfectly....the steps I took was just to flash rom and one of our att kernels and youll be fine...didnt have to flash modem....just put my straight talk apn in done....Everything perfect...btw jedi X3 is super fast....:good::highfive:
Click to expand...
Click to collapse
I need clarification on this. Just because the ROM flashed worked, doesn't necessarily mean the proper AWS radio's were activated to attain 4G speeds that are required on T-mobile (this is nothing to do with LTE).
Are you saying that by flashing the tmobile ROM onto your at&t note 2, you are able to attain all connections (not just Edge, but HSPA+ 4G) with your AT&T device to tmobile using AWS? I know Tmobile has begun refarming out to 4G on a different band that is compatible with more handsets, so you might just be in an area where they have already done so, which mistakes you into believing that you are actually connecting via the old school AWS Tmobile bands, when you aren't.
I really need to decide which phone I want to take the risk on - The tmobile LTE is locked apparently, doesn't seem to show as many capable bands as the AT&T version, and also, I'm not sure what to bank on in terms of there being a software vs hardware lock (Would be nice if the tmobile can be unlocked via software to fully operate on all LTE modes that the AT&T supports).
I'm actually in Canada, and would probably end up needing to purchase the Wind version in order to get what I'm looking for (since Wind operates on the same AWS frequencies as tmobile). But losing out on Bell/Rogers/Telus LTE in the process is just something I don't want to do either.
Going to have to see what can be unlocked via software on all these different phones................

I would also appreciate a response from someone if this is possible... using T-Mobile ROM and modem to work on At&t (with aws frequencies).... just like the S2 I717 mod which after flashing was working with aws frequencies....

ysr84 said:
I would also appreciate a response from someone if this is possible... using T-Mobile ROM and modem to work on At&t (with aws frequencies).... just like the S2 I717 mod which after flashing was working with aws frequencies....
Click to expand...
Click to collapse
Yes... it should... as soon as I get my dual sim card adapter for the Note 2... I will post a million results/combinations here on T-Mobile and AT&T forums... I just don't want to open the back cover 30 times a day and swap sims a bunch of times... with the adapter I just insert the 2 sim cards and done... testing all the way from that point on...
Sent from my SAMSUNG-SGH-I317 using XDA Premium HD app

I shall be waiting impatiently.... and would happily buy you a beer for your effort

bump... any news?

Yes u can .. I confirm this.. using at&t rom on my tmobile note 2
Sent from my SAMSUNG-SGH-I317 using xda premium

AT&T Note 2 on T-mobile 3G/4G?
sanchitgrover said:
Yes u can .. I confirm this.. using at&t rom on my tmobile note 2
Sent from my SAMSUNG-SGH-I317 using xda premium
Click to expand...
Click to collapse
I have the SAMSUNG-SGH-I317 from AT&T, unlocked via unlock code from AT&T. No root, stock AT&T android 4.1.1. I got the t-mobile microSIM card with an unlimited talk and 2GB unlimited data plan, but I can not get tmobile 3G/4G working reliably. I get HSDPA/HSPAP/UMTS/EDGE randomly. 80% EDGE, 20% high speed between 4-8mbps down, 0.7-1.9mbps up. I am in Los Angeles, CA.
I know my SGH-I317 does not have the 1700MHz antenna needed for t-mobile 3G/4G data, but somehow I get 3G/4G 20% of the time. I have not adjusted any special settings on my phone, other than to reset the APN to default epc .tmobile .com. My guess I am getting 3G/4G via the 2100MHz antenna for download, but without the 1700MHz for fast upload, I get 0.7-1.9mbps only. But most of the time I am stuck at EDGE.
So has anyone gotten the AT&T Note II to reliably work on t-mobile 3G/4G? is there a special setting I need to enter on my phone? does flashing the t-mobile ROM on the AT&T phone solve any of the 3G/4G issue? or will I lose the unlock on my phone when I root or when I flash t-mobile ROM on my AT&T Note 2?
Any help greatly appreciated.

SGh i317 unlocked on T-mobile with 4g
rob00 said:
I have the SAMSUNG-SGH-I317 from AT&T, unlocked via unlock code from AT&T. No root, stock AT&T android 4.1.1. I got the t-mobile microSIM card with an unlimited talk and 2GB unlimited data plan, but I can not get tmobile 3G/4G working reliably. I get HSDPA/HSPAP/UMTS/EDGE randomly. 80% EDGE, 20% high speed between 4-8mbps down, 0.7-1.9mbps up. I am in Los Angeles, CA.
I know my SGH-I317 does not have the 1700MHz antenna needed for t-mobile 3G/4G data, but somehow I get 3G/4G 20% of the time. I have not adjusted any special settings on my phone, other than to reset the APN to default epc .tmobile .com. My guess I am getting 3G/4G via the 2100MHz antenna for download, but without the 1700MHz for fast upload, I get 0.7-1.9mbps only. But most of the time I am stuck at EDGE.
So has anyone gotten the AT&T Note II to reliably work on t-mobile 3G/4G? is there a special setting I need to enter on my phone? does flashing the t-mobile ROM on the AT&T phone solve any of the 3G/4G issue? or will I lose the unlock on my phone when I root or when I flash t-mobile ROM on my AT&T Note 2?
Any help greatly appreciated.
Click to expand...
Click to collapse
Hey I got a unlocked & Rooted At&t Note 2 on T-mobile running CleanRom with perfect 4g. Before I rooted my phone I changed my phones modem to T-mobiles because I only had edge. After that I have flashed several different At&t Roms and still have 4g. On speed test I get about 7-9mbs download and 2-3 mbs on upload not the best but way better than edge

Do you get LTE yet
Sent from my SAMSUNG-SGH-I317 using Tapatalk 2

Unlocked at&t Note 2on t-mobile with 4g
tdy2kn1 said:
Do you get LTE yet
Sent from my SAMSUNG-SGH-I317 using Tapatalk 2
Click to expand...
Click to collapse
I dont know...LTE for t-mobile isn't in Jacksonville FL yet. I am suppose to be going to California in a month or two and from what i heard , there is LTE in the biigger cities Im excited to find out and i'll keep you updated if i do.

I have att note 2 running clean rom with ublocked carrier on t mo. Here in la I have not see lte but we are aleay quite late getting upgrade. Most likely you will need to go to san francisco or techie area to test it
Sent from my SAMSUNG-SGH-I317 using xda app-developers app

Unlocked at&t Note 2on t-mobile with 4g
PUTALE said:
I have att note 2 running clean rom with ublocked carrier on t mo. Here in la I have not see lte but we are aleay quite late getting upgrade. Most likely you will need to go to san francisco or techie area to test it
Sent from my SAMSUNG-SGH-I317 using xda app-developers app
Click to expand...
Click to collapse
Yea your right...hey i know this has nothing to do with this thread but i want to ask you something. You have the exact set up that i am currently using.I also have an unlocked At&t Note 2 SGH-i317 on T-mobile running CleanRom SE1.5. I absoulutely love it. I like the stock look with better performance. Are you using another Kernel? And im also thinking about flashing a new Rom what would you recommend? Im kinda looking for something Similar to Clean but better battery life. Any Suggestions???

G7Baker said:
Yea your right...hey i know this has nothing to do with this thread but i want to ask you something. You have the exact set up that i am currently using.I also have an unlocked At&t Note 2 SGH-i317 on T-mobile running CleanRom SE1.5. I absoulutely love it. I like the stock look with better performance. Are you using another Kernel? And im also thinking about flashing a new Rom what would you recommend? Im kinda looking for something Similar to Clean but better battery life. Any Suggestions???
Click to expand...
Click to collapse
I am actually using the CleanROM 4.5 (haven't flashed 4.6.1 as I do not see much new on that ROM). I am actually using it on the stock kernel because I am not a huge flasher like many of the members here. Since Note 2 is my daily driver, I don't want to keep updating it and customize it after each ROM flashing. I like the CleanROM 4.5 since it was the way I got it and I just updated to the new version. The battery life is pretty good as I can last a day or more with moderate use.

Unlocked at&t Note 2on t-mobile with 4g
PUTALE said:
I am actually using the CleanROM 4.5 (haven't flashed 4.6.1 as I do not see much new on that ROM). I am actually using it on the stock kernel because I am not a huge flasher like many of the members here. Since Note 2 is my daily driver, I don't want to keep updating it and customize it after each ROM flashing. I like the CleanROM 4.5 since it was the way I got it and I just updated to the new version. The battery life is pretty good as I can last a day or more with moderate use.
Click to expand...
Click to collapse
Yea im the same way. You have an At&t note 2 too?

yep using ATT Note 2 on TMo's network.

T-Mobile and AT&T Note 2 cross-compatibility

After a pretty serious amount of searching, I still haven't been able to find a straightforward explanation of what works on which Note 2 on which network as far as 3G/4G service goes. (There was only one that came close, and it still didn't seem to actually be complete.) While the consensus seems to be that the T-Mo phone is the most flexible, what I've been able to cobble together is that the answer is much closer to "depends on what you want to use it for." (Duh, right?) So here's what I understand so far -- please feel free to correct me if I have any of this wrong, and I'll update (or if you think carriers/devices should be added to the list, comment with sources and I'll add on the info):
----
T-Mo T889 (stock unlocked): up to 42 MBps DC-HSPA+ on T-Mobile network (1900MHz); up to HSPA on AT&T network (trying to verify)
AT&T i317 (stock, unlocked): LTE on 700MHz on AT&T network (and future AWS when AT&T gets around to deploying); EDGE on T-Mobile network
T889 with T-Mo LTE unlock (est. Spring 2013): may possibly also enable LTE on AT&T network.
T889 with flashed AT&T radio (or NV partition edit): unknown -- no success to date. Hypothesized that it may enable LTE on AT&T network.
i317 with flashed T889 radio (or NV partition edit): loses AT&T LTE capability; gains HSPA+ (non-DC) on T-Mobile network (DC yet to be verified?)
No idea as to what would happen if/when an i317 can be flashed with a post-Spring 2013 T-Mo radio.
----
So the conclusions I seem to draw from this are:
If you want guaranteed highest speeds out of either service today, and some possibility of T-Mo LTE support in the future, get the AT&T phone and get used to playing around with radio swaps.
If you want the guaranteed highest speed out of T-Mo in a few months (and now, obviously), and some possibility of getting the highest speed out of AT&T (aka LTE) whenever xda-developers' ingenuity figures it out, get the T-Mo phone.
How does this sound to you guys?

Bewn looking into the same thing looks as the t889 should somehow be able to get lte on att but still cant find how
Sent from my SGH-T889 using xda app-developers app

slinkygn said:
After a pretty serious amount of searching, I still haven't been able to find a straightforward explanation of what works on which Note 2 on which network as far as 3G/4G service goes. (There was only one that came close, and it still didn't seem to actually be complete.) While the consensus seems to be that the T-Mo phone is the most flexible, what I've been able to cobble together is that the answer is much closer to "depends on what you want to use it for." (Duh, right?) So here's what I understand so far -- please feel free to correct me if I have any of this wrong, and I'll update (or if you think carriers/devices should be added to the list, comment with sources and I'll add on the info):
----
T-Mo T889 (stock unlocked): up to 42 MBps DC-HSPA+ on T-Mobile network (1900MHz); up to HSPA on AT&T network (trying to verify)
AT&T i317 (stock, unlocked): LTE on 700MHz on AT&T network (and future AWS when AT&T gets around to deploying); EDGE on T-Mobile network
T889 with T-Mo LTE unlock (est. Spring 2013): may possibly also enable LTE on AT&T network.
T889 with flashed AT&T radio: unknown -- no success to date. Hypothesized that it may enable LTE on AT&T network.
i317 with flashed T889 radio: loses AT&T LTE capability; gains HSPA+ (non-DC) on T-Mobile network (DC yet to be verified?)
No idea as to what would happen if/when an i317 can be flashed with a post-Spring 2013 T-Mo radio.
----
So the conclusions I seem to draw from this are:
If you want guaranteed highest speeds out of either service today, and some possibility of T-Mo LTE support in the future, get the AT&T phone and get used to playing around with radio swaps.
If you want the guaranteed highest speed out of T-Mo in a few months (and now, obviously), and some possibility of getting the highest speed out of AT&T (aka LTE) whenever xda-developers' ingenuity figures it out, get the T-Mo phone.
How does this sound to you guys?
Click to expand...
Click to collapse
Short answer, AT&T Note 2 can get full speed HSPA+ on T-Mobile and LTE on AT&T... I currently have it that way... You need to activate AWS bands on NV partition... I also have the T889 and the T889 can do the same... Remember what I have been telling since day 1... They are both the same phone... Just with different signals pre activated by their respective carriers...
Your search was not too serious, lol
http://forum.xda-developers.com/showthread.php?t=2068041
Sent from my SAMSUNG-SGH-I317 using XDA Premium HD app

As I understand it the note 2 is the first phone to have all the different model have the same physical design and the software is very close to the same as well. I beleive that there are two internatinal ones the gsm and lte. All the us versions are based off the lte one so they are all very similar. I think we even have a few roms in the dev section now that are based off sprints rom. I could be wrong though. I was a little confused at first because usually on tmo our phone would be based off the gsm interntinal but not this time.
I gotta say I am really happy with samsung. And I am impressed with what they have accomplished with this phone and the sgs3. They told the carriers to go to hell and did it their way this time. I think they were able to do it because android is like 60% of the worlds cell phone market and samsung is like 75% of android sales. I am sure the numbers are off but I remember reading about that last year. Sorry to go off topic a little bit.

TEKHD said:
Short answer, AT&T Note 2 can get full speed HSPA+ on T-Mobile and LTE on AT&T... I currently have it that way... You need to activate AWS bands on NV partition... I also have the T889 and the T889 can do the same... Remember what I have been telling since day 1... They are both the same phone... Just with different signals pre activated by their respective carriers...
Your search was not too serious, lol
http://forum.xda-developers.com/showthread.php?t=2068041
Sent from my SAMSUNG-SGH-I317 using XDA Premium HD app
Click to expand...
Click to collapse
You've done this with the T889? Sounded like you haven't yet from the linked thread.
Keep us up to date on exact steps and success here in the T mobile forum section please.
Sent from my SGH-T889 using Tapatalk 2

distortedloop said:
You've done this with the T889? Sounded like you haven't yet from the linked thread.
Keep us up to date on exact steps and success here in the T mobile forum section please.
Sent from my SGH-T889 using Tapatalk 2
Click to expand...
Click to collapse
What steps ? It's for the AT&T version......use the search feature dude.

KillaHurtz said:
What steps ? It's for the AT&T version......use the search feature dude.
Click to expand...
Click to collapse
Uh, that's his point. And mine, for that matter. AT&T only so far - meaning my OP is currently correct. Nobody has done it on T-Mo (at least that has reported it here). "Hardware is the same," yeah, we all know that, but we also know the software isn't, so it's a matter of what we've actually tried and succeeded with and have confirmation of.
When somebody actually reports a success with T-Mo they can confirm, I'll update.

TEKHD said:
Short answer, AT&T Note 2 can get full speed HSPA+ on T-Mobile and LTE on AT&T... I currently have it that way... You need to activate AWS bands on NV partition... I also have the T889 and the T889 can do the same... Remember what I have been telling since day 1... They are both the same phone... Just with different signals pre activated by their respective carriers...
Your search was not too serious, lol
http://forum.xda-developers.com/showthread.php?t=2068041
Sent from my SAMSUNG-SGH-I317 using XDA Premium HD app
Click to expand...
Click to collapse
Sorry, poor assumption on your part. I found that. Did you read past the first post? First post says DC works (which was an edit, apparently yesterday) but post 3 says it only indicates DC, no actual speed bump to DC or 42 speeds. Lots of failures on that thread too. So I listed what worked for the OP. If you'd like to confirm dual-5MHz operation (which you didn't explicitly when you posted your success in that post), maybe some screenshots of the speed change if you have them, that should be fine and I'll edit.

slinkygn said:
Sorry, poor assumption on your part. I found that. Did you read past the first post? First post says DC works (which was an edit, apparently yesterday) but post 3 says it only indicates DC, no actual speed bump to DC or 42 speeds. Lots of failures on that thread too. So I listed what worked for the OP. If you'd like to confirm dual-5MHz operation (which you didn't explicitly when you posted your success in that post), maybe some screenshots of the speed change if you have them, that should be fine and I'll edit.
Click to expand...
Click to collapse
Plain and easy... Follow sjravi's post... Restore T889 NV backup to I317 or viceversa in your case... And voila! LTE enabled on T889...
OP Updated... Even easier...
http://forum.xda-developers.com/showthread.php?t=2068041
Sent from my SAMSUNG-SGH-I317 using XDA Premium HD app

TEKHD said:
Plain and easy... Follow sjravi's post... Restore T889 NV backup to I317 or viceversa in your case... And voila! LTE enabled on T889...
OP Updated... Even easier...
http://forum.xda-developers.com/showthread.php?t=2068041
Sent from my SAMSUNG-SGH-I317 using XDA Premium HD app
Click to expand...
Click to collapse
Right, like I said, as soon as someone's actually done it successfully I'll update.
I can add the NV method to the radio method, I suppose, since both seem to work on AT&T.

KillaHurtz said:
What steps ? It's for the AT&T version......use the search feature dude.
Click to expand...
Click to collapse
Posts like yours aren't much better than trolling. What did it add to the conversation? Search for what?
If you'd actually searched and read the numerous threads across both the i317 and T889 forums, including both the General and Q&A sections, like I have, you'd see multiple claims of it works, or it doesn't work, and varying methods described with people saying they work and don't work. TEKHD has bounced back and forth multiple times on this, along with a few others.
I was just asking for clarification that this was done on a T889 or not, since TEKHD said in the post I was replying to that it does, but in the thread he linked he said it didn't.
This is a T889 forum, isn't it? What do the users of the T889 care about an i317 hack unless the same hack will work for us?

LTE on T889 Phone
Searched and found conflicting repoerts. Is it possible to get the LTE working on AT&T using the Tmobile T889 model of the note 2?

It is thought so, but no one's done it yet.

slinkygn said:
It is thought so, but no one's done it yet.
Click to expand...
Click to collapse
Ah ok... so i just got ATT today and am using it on my tmobile note 2. DO I need to do anything at all to be getting the best speeds or is it getting the fastest it can right now until someone gets LTE working>?

I hope you guys can help me, I'm frustrated already, I bought an AT&T SAMSUNG-SGH-I317 and also purchased an unlock code, phone was working just fine with 4g on AT&T ( Tested ) but after unlocking I just don't get service when I use a T Mobile or Simple Mobile SIM.
On the About Phone -> Status I do get "Network: T-Mobile/Simple Mobile" ( Depending on the SIM I use ), but I don't even get EDGE, I cant make calls, I get the annoying emergency calls only, its making me crazy. Is there a way to fix this issue?
( I already added the APN settings, but im sure I don't need that to make calls, or get EDGE, I don't know what else to do to fix this ).
Thanks

maybe try factory reset? Possibly flash a different modem as well.

papabear said:
maybe try factory reset? Possibly flash a different modem as well.
Click to expand...
Click to collapse
Factory reset would do nothing, the phone connects to AT&T with no problems, 4G and everything, but not even EDGE on T Mobile.

You already have a thread asking that question. .alot of people get mad when you clutter the forums.
Sent from my SGH-T889 using xda appdevelopers app

HELP so confused =[
I have a TMobile Note 2 N-7100, its now unlocked to use with my AT&T sim. it shows that i have 4G speeds, i am searching the threads and getting mixed messages about enabling LTE. i came across this http://forum.xda-developers.com/showthread.php?t=2068041 but it was non-specific about working on At&t, even though if it works which i have not yet confirmed is there another way to enable it without running the risk of "bricking" my phone?

tlee2189 said:
I have a TMobile Note 2 N-7100, its now unlocked to use with my AT&T sim. it shows that i have 4G speeds, i am searching the threads and getting mixed messages about enabling LTE. i came across this http://forum.xda-developers.com/showthread.php?t=2068041 but it was non-specific about working on At&t, even though if it works which i have not yet confirmed is there another way to enable it without running the risk of "bricking" my phone?
Click to expand...
Click to collapse
Im confused... do you have a T-mobile Note 2? or a N7100? I beleieve the N7100 is the AWS International one, the Tmobile Note 2 is T889... or you could have an N7100 ROM flashed on a T889 (which existed in order to get 4.1.2 before the Tmo release).

[Q] Advice on tweaking my Tmobile T999 S3 to use on ATT now?

Hello, Just changed from Tmobile to ATT. I already unlocked it, and am running it on 4G. Sad part is, download is only like 1-3 Mbps it seems. While my Iphone 5 can get close to 7 Mbps (Now this is just 4G band, NOT LTE)
So I am wondering if there are some tweaks I need to adjust in the build.prop or anything else. Atm I just use the stock rom thats rooted. (Since it seems nice enough for JB and honestly, I havent figured out which custom rom beats the stock rom 100% without losing any features.
Also noticed I cant install the ATT Visual voicemail as it claims device isnt compatible. (Which that I am sure I can use a build.prop edit for the model. Question is, which model and items do I need to adjust and to what value?)
Anyways, if anyone has some good advice about using the tmobile S3 on ATT and getting it tweaked to be the best it can be, or a rom that is perfect for switching between ATT and Tmobile (should I use my prepay tmo sim in it again) and provide high data speed. Would be great.
Oh also.. just so I know. Can I use the ROMs posted in this ATT section of XDA for the t999 tmo s3 or do I need to still only use roms from the tmo s3 section of xda? Thanks. =)

Probably you are better off posting this in TMo section too... cos there would be higher chances for finding someone who already tried putting the AT&T version of ROM on his TMo phone.

Posted there too, not much luck on responses yet. So figured maybe this side knows more. I dont even know if one can use the ATT Xda rom side for the tmo s3 for example. Was there any hardware differences (aside from the radio since I know tmos doesnt have LTE) Also what is the model for ATT s3 for the build.prop?

Anyone least know if the roms in ATT section would even work on the Tmobile model? Kinda thinking I should switch out and have all the setups and apps for ATT.

[Q] AT&T i747 unlocked using T-Mobile

First of all i wanna say, you all do an amazing job with all of this. So ive been looking around the forums and i cant find an answer to my question, so i will post and wait for replay. i have the at&t version (i747) of the gs3 and had updated to 4.1.1 via kies. early march i found a post on your forums about sim/carrier unlocking and tried it out. it worked w/o any problems, so i headed to t-mobile to jump on their monthly unlimited 4g plan. installed sim and had no problems. all functions work: calls, im, sms, mms, data (edge, 3g, and HSPA+), everything. on march 17th, i decided to try out a custom rom. i odin rooted my phone with cwm then tried out [ROM][4.2.2][STABLE] LiquidSmooth v2.1 - d2att - 3|16|13. works absolutely fine. sorry for the long wind but i just want to make sure i give all info before posting my question as i may prevent unness replies. having an at&t phone using tmobile as the carrier, can i use roms intended for t-mobile only, or do i have to stick to at&t/multi-carrier roms only?

Honestly making sure you have a T-Mobile put in is all that matters. Other than that they are fairly interchangeable.
Sent from my SAMSUNG-SGH-I747 using xda premium

hednik said:
Honestly making sure you have a T-Mobile put in is all that matters. Other than that they are fairly interchangeable.
Sent from my SAMSUNG-SGH-I747 using xda premium
Click to expand...
Click to collapse
I have been making roms, from Canada claro i747m, and tmobile t999 and att 747 and they all work as they should. no problems at all, using stock att modem i747ucdlk3 without any issues...
all I did was change the build prop to represent d2att..
I have simplemobile which is a tmobile company.. except for now I just used up my 4g.. I usually get 3g, but for some reason im getting an E which speed is like 2g edge.. slow at the moment.. never seen that in 3 months..
check my signature, for my roms... they r all stock original roms..

I'm in the same situation as the op. I have at&t i747 unlocked to use with tmobile. My question is, if I flash a multi-rom What carrier do I choose during the aroma install? do I pick tmobile because thats what network im using now or do I pick at&t because its originally an at&t device? any help or advice would be greatly aprecciated.

during the install of liquidsmooth i chose att since i do have the branded phone. i cant use the lte settings for network cause tmob doesnt have their lte out yet (soon to drop), but i am wanting to try the tmobile install and see if i get any difference in data speeds. other than that, liquidsmooth is a pretty solid build. this is the only rom i have tried on my gs3 so far. id like to try others to maybe help give feedback for builders, i just wasnt sure if i could use tmobile or had to stick to att roms. thanks for the info.
on a side note, the rom unlocked a 1080p video record and i like showing ppl the OC ability. 1.9Ghz. YAY!!!

when I first made my Canada Claro rom d2can everything worked out the box. the only thing was it was showing me info of I747m, everything was still working, same when I made my tmobile rom, it was showing d2tmo, everything worked out the box, just that it showed me info of T999, so both of the roms worked, all I did was change the build prop to represent d2att ATT info..
So the answer is yes, u can use other roms... just be careful not to install the modem. I never changed that. I remove them from the rom.
Danger,, I tried making the international GT I9300 and removed the modem, changed the build prop.. almost bricked my phone, played with it to try to make it work, It would hang and sometimes not boot up... so stay away from international one.
so if u try Canada or tmobile u should be safe, its the same phones... or if someone post roms that are ported to att i747.

I am using i747 for T-Mobile.
Can somebody tell me what ROM i should use in order to get WIFI Calling on it ?
Thank you.

[Q] Flashing GT-N7100 with T-Mobile ROM for Wi-Fi Calling??

Hello all,
I have an international version Note II (GT-N7100). I am on T-Mobile in an area where most of the towers now use the 1900mHz band. I'm wandering if I can flash a T-Mobile branded ROM to get the use of Wifi Calling, which I've cherished the ability to have (sometimes with hacked apks and libs), on previous phones. Would flashing one of these ROMs work well with my version of the phone? Or if even better, is there a package I can get like THIS that will push the wifi calling to my phone?
If it is workable for me to flash one of these ROMs, should I be flashing a radio as well? Or any other tips to make this conversion work out?

Do not flash an LTE Note 2 modem on the non-LTE version, they have different hardware. I know there were some porting guides to modify ROMs to go from one to the other, so this won't be a straight-forward flash.

You should be able to flash t-mobile roms and get the Wi-Fi calling feature.
I am using it on my AT & T note 2 and Wi-Fi calling is working flawlessly.
Try Tweaked ROM from T mobile note 2 section and make sure you keep your existing RADIO/Modem.
Sent from my SAMSUNG-SGH-I317

Thank you both for the replies. I will try to get one working. Had some issues for a couple days recovering from trying Android 4.3... lol I like to experiment.

Curious as well
I bought this international version as well I live in the states and have been using it with att but now I'm about to switch to tmobile. I have rooted the phone but I am curious if I can flash it with a stock tmobile version of firmware (where ever that is) and use it with our services here. I understand Ill need to reset the counter and all that crap too. I have experience with rooting and installing CFW's but having a tmobile stock firmware that will accomplish things like wifi calling and ota updates would be very beneficial at least until that final firmware update is released then I will probably root it again.. real shame they wont let you OTA update just for a simple root but then again I guess with warranties and law suits and the chance of screwing up your possible custom firmware maybe its a good thing. Anyways point me in the right direction HAHA. The phone is amazing so far and works flawlessly with the towers here. Thanks. I checked the tweaked firmware for tmobile seems like it might work like you said but Im extra cautious at times and so I would like to know If what i stated above will work ok or not ???? Its not a huge deal if i cant have ota updates but yeah I would def like to have wifi calling and maybe some of tmobiles other things but yeah Looking forward to some advice

Same issue here
DemonLoader said:
Thank you both for the replies. I will try to get one working. Had some issues for a couple days recovering from trying Android 4.3... lol I like to experiment.
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Were you able to get the software on your N7100? I am curious as I would like to know how to get it done as well. thanks in advance.