I've got an unlocked AT&T Galaxy SIII, and I only get Edge for my data connection. Do I need to flash a T-Mobile radio? APN settings look okay, as far as I can see.
Also, can I flash a T-Mobile ROM and use Wifi calling, or is that asking too much?
I searched and couldn't find anyone asking these questions in the Q&A forum....
there are already like 3 threads below this one concerning the 3g/4g topic on a att sg3 working on tmobile. No it will not work because att sg3 does not support the aws tmobile frequencies. you will only be able to get edge. NOW if it were a tmobile sg3 on att then it would work.
All the threads I could find in this form on my search went the other way: T-Mo phone on AT&T.
Does anyone actually know whether a T-Mobile modem on an AT&T phone would work or not? I looked at the main board in my phone, and it's labelled with both SGH-I747 and SGH-T999, which makes me think the internals are fully identical.
I'd like to know this too! I also have an AT&T Galaxy SIII and was seriously considering moving to T-Mobile because of the new unlimited data plan they were going to start offering on 9/5. I had also looked through this forum, and could only find questions of the situation the other way around, T-Mob GSIII phone on AT&T network.
Basically, was wondering:
- is there a hardware limitation that APN settings and/or installing a new modem will not get me good data speeds?
- would I need to burn a new modem?
- I'm assuming at minimum I'd need new APN settings, and am assuming T-Mobile would be able to help with that. Right?
Thanks, really interested in being able to do this!
---------- Post added at 03:00 PM ---------- Previous post was at 02:13 PM ----------
Hey oblib - looks like there's an unfortunate hardware limitation we won't be able to get around: http://forum.xda-developers.com/showthread.php?t=1771021
oblib__ said:
All the threads I could find in this form on my search went the other way: T-Mo phone on AT&T.
Does anyone actually know whether a T-Mobile modem on an AT&T phone would work or not? I looked at the main board in my phone, and it's labelled with both SGH-I747 and SGH-T999, which makes me think the internals are fully identical.
Click to expand...
Click to collapse
Where did you see that the boards were labelled the same?
AFAIK, the radio's are different and flashing a T-mobile modem could possibly brick your device. It would be much easier to buy a T999 and use it on T-Mobile (it'll even work on AT&T 3G if you want to switch back, no LTE though).
The SoCs are different. Flashing a T-Mobile modem will not give you T-Mobile HSPA.
Looks like I didn't take any pictures of that side of the phone while I had it open, and I'm not eager to pop it open again. It definitely listed both models on the PCB. If I'm remembering correctly, it's on the same side as the SIM and SD card slots, so it's just matter of removing the back plate to see it, no more disassembly than that.
joshnichols189 said:
The SoCs are different. Flashing a T-Mobile modem will not give you T-Mobile HSPA.
Click to expand...
Click to collapse
Do you have part numbers for the two? According to wikipedia, they are the same Snapdragon S4 MSM8960. I just find it hard to believe that they would be different, though if they have the same pinout, that would explain the markings on my PCB.
This has been rehashed countless times. They are not the same phone. If the phones were the same, people would not be in here asking if they were the same. The MSM8960 comes in more than one flavor, with different modem parts. Yes, the CPU's are the same, but the MODEMS ARE DIFFERENT. It is an S4 Qualcomm part that comes in many different configurations. Instead of just reading until you get to some information that reinforces your preconceived notion, try reading a little further into the links at the bottom of the page and elsewhere. Seriously, if you really really don't think that Qualcomm would make different versions of the same chip, or configure them differently for the hundreds of different customer requirements, then fine, don't believe me, but it defies logic. Sorry about being an ass.
oblib__ said:
Looks like I didn't take any pictures of that side of the phone while I had it open, and I'm not eager to pop it open again. It definitely listed both models on the PCB. If I'm remembering correctly, it's on the same side as the SIM and SD card slots, so it's just matter of removing the back plate to see it, no more disassembly than that.
Do you have part numbers for the two? According to wikipedia, they are the same Snapdragon S4 MSM8960. I just find it hard to believe that they would be different, though if they have the same pinout, that would explain the markings on my PCB.
Click to expand...
Click to collapse
The T-Mobile version uses an MSM8260a. This SoC is the Krait with an adreno 225 GPU and no LTE. The MSM8960 has all three.
Sent from my SGH-T999
joshnichols189 said:
The T-Mobile version uses an MSM8260a. This SoC is the Krait with an adreno 225 GPU and no LTE. The MSM8960 has all three.
Sent from my SGH-T999
Click to expand...
Click to collapse
Thanks for the useful response. For those looking for even more detail, here's a link: http://www.qualcomm.com/sites/default/files/common/snapdragon-specs-06.07.12.pdf
According to that the MSM8960 (chip in I747?) has a "World Mode" modem, while the MSM8260a has a UMTS modem.
Edit: Ah, and I see both of you have answered this question before, which I would have found if I searched on MSM8260a. The threads have been dead for over a week, so I'm not surprised I missed them, but thanks for answering the same questions again.
T-Mobile HSPA not support i747 right now.
oblib__ said:
I've got an unlocked AT&T Galaxy SIII, and I only get Edge for my data connection. Do I need to flash a T-Mobile radio? APN settings look okay, as far as I can see.
Also, can I flash a T-Mobile ROM and use Wifi calling, or is that asking too much?
I searched and couldn't find anyone asking these questions in the Q&A forum....
Click to expand...
Click to collapse
T-Mobile uses a frequency for their 3g and 4g network that only T-Mobile branded phones have. Any other GSM phone will never get 3g or 4g on T-Mobile network unless it supports the T-Mobile band, which I believe is 1700MHz. It's limited by hardware. Nothing you can do to the phone will give you the 3g/4g you have to have a T-Mobile branded device.
Sent from my SGH-T999 using Tapatalk 2
elesbb said:
T-Mobile uses a frequency for their 3g and 4g network that only T-Mobile branded phones have. Any other GSM phone will never get 3g or 4g on T-Mobile network unless it supports the T-Mobile band, which I believe is 1700MHz. It's limited by hardware. Nothing you can do to the phone will give you the 3g/4g you have to have a T-Mobile branded device.
Sent from my SGH-T999 using Tapatalk 2
Click to expand...
Click to collapse
Not completely true. Since The Galaxy SII and the Galaxy Note (AT&T) have software radios, you can flash a radio from the TMO GSII and get 4G on TMO. I was running mine and many customers of mine like that for months until i switched phones.
Making your AT&T i747 GS3 work on T-Mobile 4G (without rooting)
oblib__ said:
I've got an unlocked AT&T Galaxy SIII, and I only get Edge for my data connection. Do I need to flash a T-Mobile radio? APN settings look okay, as far as I can see.
Also, can I flash a T-Mobile ROM and use Wifi calling, or is that asking too much?
I searched and couldn't find anyone asking these questions in the Q&A forum....
Click to expand...
Click to collapse
It works fine for me, the area i'm in does not support 4G on the 1900MHz frequency so I can definitely confirm my stock non-rooted AT&T i747 galaxy SIII is working on T-Mobile USA's 4G data network. I've uploaded a video to youtube of how to get this to work, should also work for the AT&T i317 note II as well. I can't post links on here I guess so just type my youtube username and search my videos.
youtube username: 6italia0
Video title: How to get AT&T gs3 i747 to work with Tmobile 4G (no root!)
6italia0 said:
It works fine for me, the area i'm in does not support 4G on the 1900MHz frequency so I can definitely confirm my stock non-rooted AT&T i747 galaxy SIII is working on T-Mobile USA's 4G data network. I've uploaded a video to youtube of how to get this to work, should also work for the AT&T i317 note II as well. I can't post links on here I guess so just type my youtube username and search my videos.
youtube username: 6italia0
Video title: How to get AT&T gs3 i747 to work with Tmobile 4G (no root!)
Click to expand...
Click to collapse
I think you just got it to work because T-Mobile launched 1900Mhz 4G starting 2013?
doutlaw said:
I think you just got it to work because T-Mobile launched 1900Mhz 4G starting 2013?
Click to expand...
Click to collapse
ive got a friend whos got this working, im gonna try and let you know!
I just picked up a t-mobile sim on ebay for a florida trip in a few weeks. Im hoping to get the $3 a day plan for my unlocked Galaxy s3 and hoping to get 1900mhz 4g service.
Sent from my SGH-I747M using Tapatalk 2
Same with the s2 flash an tmobile radio combo on the skyrocket and get 4g but with the s3 might be different
Sent from my SGH-T999 using xda app-developers app
IT CAN WORK (see details!)
elesbb said:
T-Mobile uses a frequency for their 3g and 4g network that only T-Mobile branded phones have. Any other GSM phone will never get 3g or 4g on T-Mobile network unless it supports the T-Mobile band, which I believe is 1700MHz. It's limited by hardware. Nothing you can do to the phone will give you the 3g/4g you have to have a T-Mobile branded device.
Sent from my SGH-T999 using Tapatalk 2
Click to expand...
Click to collapse
This is NOT TRUE, please be careful when making such "absolute" statements -- I just got a ATT i747 from craigslist, and it DOES work with the $30 Walmart plan - on 4G and LTE (depending on location).
The TRUE ANSWER IS -- IT DEPENDS -- if you live in an area that was recently upgraded to LTE (in my area was 02/13), you can get LTE/4G since t-mobile added support for it on 700 MHz (band 4) AWS (unverified - source: youtube video named "Tmobile 4G on att i747 gs3 data fix". Sorry I am not allowed to post web-links yet).
Anyway, I DO get 4G/LTE, I guess I was lucky
momchi said:
This is NOT TRUE, please be careful when making such "absolute" statements -- I just got a ATT i747 from craigslist, and it DOES work with the $30 Walmart plan - on 4G and LTE (depending on location).
The TRUE ANSWER IS -- IT DEPENDS -- if you live in an area that was recently upgraded to LTE (in my area was 02/13), you can get LTE/4G since t-mobile added support for it on 700 MHz (band 4) AWS (unverified - source: youtube video named "Tmobile 4G on att i747 gs3 data fix". Sorry I am not allowed to post web-links yet).
Anyway, I DO get 4G/LTE, I guess I was lucky
Click to expand...
Click to collapse
You do realize you resurrected an old thread, and responded to a post that was made a year ago??? Long before LTE rolled out. At the time of his post, he was 100% correct.
I dont think this is the intended way to get your 10 posts btw. There are plenty of recent issues to respond to. Thx.
Sent from my SGH-T999 using xda premium
I see that both notes from att and tmo support band IV. This begs the question, would an att note 2 work on the tmobile network?
thanks
privatewarrior1 said:
I see that both notes from att and tmo support band IV. This begs the question, would an att note 2 work on the tmobile network?
thanks
Click to expand...
Click to collapse
Possibly. With T-mobile refarming their network to use the 1900 band, all newer T-mobile phones are pentaband. AT&T will never use the 1700 AWS band which t-mobile currently uses, so it is not included in the phone. The only way that the AT&T version will work on T-mobile is if Samsung mass produced the versions together to save money (which is very possible).
privatewarrior1 said:
I see that both notes from att and tmo support band IV. This begs the question, would an att note 2 work on the tmobile network?
thanks
Click to expand...
Click to collapse
According to multiple websites, engadget/gizmodo, The T-Mobile and AT&T internals are identical. All you would need to do is unlock
steve45058 said:
According to multiple websites, engadget/gizmodo, The T-Mobile and AT&T internals are identical. All you would need to do is unlock
Click to expand...
Click to collapse
Yeah that's what it looks like. I was comparing the specs from tmobile.com and att.com and couldn't tell that there exists much difference.
Do you happen to have some links to the engadget/giz article?
thanks
privatewarrior1 said:
Yeah that's what it looks like. I was comparing the specs from tmobile.com and att.com and couldn't tell that there exists much difference.
Do you happen to have some links to the engadget/giz article?
thanks
Click to expand...
Click to collapse
Not home right now so I cant find it in my history, but this article should help.
theverge.com/2012/10/25/3554328/t-mobile-galaxy-note-ii-lte-support
"Samsung's Galaxy Note II has been announced for multiple US carriers, but T-Mobile's version of the device contains an interesting surprise: hardware support for LTE. As noted by AnandTech, T-Mobile's variant is essentially the same hardware as AT&T's, including support for LTE. Of course, T-Mobile doesn't yet have an LTE network launched for the NoteII to run on, but it does plan to have it by the end of 2013. The big question, then, is whether the Note II will support it — T-Mobile's answer is yes, but with caveats:"
Hi - I have the T-mobile U.S. T-zones grandfathered plan, which phone version can I buy to get 3G speeds on that data plan?
I know Note 2 has several models. Someone told me I could use the AT&T US model if I live in a area that has been refarmed (I live in Orlando, FL).
Someone then told me I should get the Canadian model but I am having a hard time finding a site that sells the Canadian model from Wind/Videotron/Mobilicity.
Thanks
Start paying for your internet like the rest of us
Nah, just kidding. But the last time I checked on the whole "smartphones with T-zones" thing was a few years ago-.at that point, it worked with any phone that didn't need a special apn(like danger or rim devices). If that still holds true, it won't matter which model of note 2 you get. Good luck.
actually I think the frequency 1700 available for T-mobile is only available on the Canadian Wind/Videotron/Mobilicity.
The U.S. AT&T device based on what I read here works if you are in T-mobile area that is reframed.
joogle said:
actually I think the frequency 1700 available for T-mobile is only available on the Canadian Wind/Videotron/Mobilicity.
The U.S. AT&T device based on what I read here works if you are in T-mobile area that is reframed.
Click to expand...
Click to collapse
...or international version (N7100).
I purchased the 7100 and I have T-Zones. If your in a good refarmed area you will get H/H+ I'm pulling about 5-8 Mbps here in California
Hi - how I can tell if my area is refarmed, my zip is 32828. Also, will it then stay that way, I mean will T-mobile ever change the refarmed area?
Basically am inquiring if I get the 7100 model will it be useless for me with T-zones in like a few months,etc.
5800xm_user said:
I purchased the 7100 and I have T-Zones. If your in a good refarmed area you will get H/H+ I'm pulling about 5-8 Mbps here in California
Click to expand...
Click to collapse
Check this site http://airportal.de for refarm coverage.
Sent from my GT-N7100 using xda app-developers app
I'd just get a brand new international Note 2 off eBay. I got my first one for $575 under their daily deals. Check amazon as well.
Checked into Jedi-X Academy on my SGH-T889
But I would need to know if my area zip 32828 will be fine in getting 3G, also is refarmed a temp config or will they switch.
EmceeGeek said:
I'd just get a brand new international Note 2 off eBay. I got my first one for $575 under their daily deals. Check amazon as well.
Checked into Jedi-X Academy on my SGH-T889
Click to expand...
Click to collapse
I don't know if this is the right forum to ask this question, but I didn't know where else.
In the fall, I'm taking a trip to Australia for about 3 weeks, and I was thinking about picking up a pre-paid sim while I'm there to use for mostly data, but some calling and texting with locals. Right now, i have a Bell SGH-I747M phone that I believe I have network unlocked (I need to go back to stock to double-check, but lets assume its unlocked for now). Will this phone work in Australia? I'll mostly be in Melbourne area, so I would imagine there's good coverage there. Are there certain carriers that it will work for? I've been doing some googling, and can't quite find which carrier my phone is compatible with. It is LTE capable, but I'm not sure how LTE works with other carriers.
Any suggestions?
It should work on Telstra & Vodafone since they use the 850/2100Mhz spectrum for UMTS. Unfortunately it doesn't look like you'll get LTE since the two providers who offer LTE use the 1800Mhz spectrum. Google "Mobile Operators Australia" and you'll find a wikipedia page with the info you'll need.
k.wolf said:
It should work on Telstra & Vodafone since they use the 850/2100Mhz spectrum for UMTS. Unfortunately it doesn't look like you'll get LTE since the two providers who offer LTE use the 1800Mhz spectrum. Google "Mobile Operators Australia" and you'll find a wikipedia page with the info you'll need.
Click to expand...
Click to collapse
Thanks for the info, the mobile operator wiki page is exactly what I was looking for, thanks.