Gt-I9300 international on U.S. T-mobile - Galaxy S III Q&A, Help & Troubleshooting

Just curious, I have the international and I am on T-mobile in the U.S.
Will the I international ever be able to attain 4G Speeds on T-mobiles network? For instance once quad cores become the norm in phones (like they are on the verge of doing).
Or would I be better off selling and getting a T-mobile g3?
Thanks in advance.
Sent from my GT-I9300 using xda app-developers app

well, as far as i know by end of this year we will be able to use 3g or hspa+ but for now i am sticking with 2g
or just change your mobile network, get straighttalk or att

Red Wolf said:
well, as far as i know by end of this year we will be able to use 3g or hspa+ but for now i am sticking with 2g
or just change your mobile network, get straighttalk or att
Click to expand...
Click to collapse
Ok. 3g would be great. For the most part that is what is in most areas anyway. I just wasn't sure if it was our phone that didn't have the right radios or if it was T-mobile/other carriers that didn't have the right modems for our exynos.
Sent from my GT-I9300 using xda app-developers app

International S3 does not have 4G chip in it
The max network speed that could be available with an international S3 is 21Mbps HSPA+

Mopral said:
International S3 does not have 4G chip in it
The max network speed that could be available with an international S3 is 21Mbps HSPA+
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Click to collapse
And is this based off of what's available now or what will be available in a year?
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Related

Galaxy s 2 will work on which carrier?

If I purchase the sgs2 from Europe I know it should work with at&t and T-Mobile here in the USA. My question is will 3g or hspa + work or just 2g
The Herb Frees Your Mind
It's said to have AT&T's 3G, but that it should work with any other carrier, which pretty much means AT&T 3G(and HSPA+), T-Mobile 2G.
apwhitelaw said:
It's said to have AT&T's 3G, but that it should work with any other carrier, which pretty much means AT&T 3G(and HSPA+), T-Mobile 2G.
Click to expand...
Click to collapse
Is it me or has att been getting all of the high end android love coming its way ever since the the iPhone kicked rocks
Sent from my PC36100 using XDA App
From something I read att is getting something like 11 androids this year. Again something.
Sent from my SPH-D700 using XDA App
No it's not gonna work

[Q] Will there be a hack to the i9300 to receive 3g/4g Tmobile USA?

i have a cellphone repair store and am addicted to new cellphones and trying them out. i currently have the i9300 and love it, but am wondering if there would be anyway to hack it to receive 3g/4g T-Mobile USA. I have switched over back to T-Mobile because they have the best speed for money and coverage ratio where i live. I also have the galaxy note sgh i717 and have it rooted and running ics with the blaze radio hack and it works beautifully on T-Mobile. So what im asking is, will there be a way to flash a radio the same way it was done on the note for the i9300? i really like the way my phone is and prefer the quad core over the dual core that will be coming out here in the us. I don't want to have to sell my international i9300 to get the USA T-Mobile version just so i can have working 3g/4g. Im Hoping for a answer yes you can flash a radio and someone can try to do it. I wish i had more time to play around with these things and be more knowledgable about what im saying, but with my job and two kids i try to learn as much as possible.
Nope. The hardware for the international version doesn't support LTE. Unless you're a superDev and manage mod the system on a chip support it, you'll have to use the US version to get 4G.
It's only the the main reason that the US version isn't getting the quad core. Not that the S4 + 2Gb of memory isn't just as good if not better than the exynos.
Herp derp Captivate Tapatalk 2
What about the hspa+ or even 3g on T-Mobile. I can't see the note that has the same bands as the i9300 being able to do that why not the i9300?? I guess maybe I'm missing something?? Cause the only thing missing is the 1700 band. From both phones and they added it to the att note somehow
Sent from my GT-I9300 using XDA
pizz0wn3d said:
Nope. The hardware for the international version doesn't support LTE. Unless you're a superDev and manage mod the system on a chip support it, you'll have to use the US version to get 4G.
It's only the the main reason that the US version isn't getting the quad core. Not that the S4 + 2Gb of memory isn't just as good if not better than the exynos.
Herp derp Captivate Tapatalk 2
Click to expand...
Click to collapse
He's not asking about LTE, he's asking about getting T-Mobile 3G. I'd like to know if this is possible as well....
smartphonerepair2011 said:
What about the hspa+ or even 3g on T-Mobile. I can't see the note that has the same bands as the i9300 being able to do that why not the i9300?? I guess maybe I'm missing something?? Cause the only thing missing is the 1700 band. From both phones and they added it to the att note somehow
Sent from my GT-I9300 using XDA
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Click to collapse
No.
The AT&T Note has an SoC that has the 1700mhz band. It is the same SoC that is in the T-Mobile SGSII.
The international Note has the same SoC as the i9100 and i9300 and it does NOT have the 1700mhz band, and it never will.
The only way is when tmo start reusing the 1900 frequency for 3g later this year.
Apparently they are trying it out in some places already.
Sent from my GT-I9300 using xda premium
nodstuff said:
The only way is when tmo start reusing the 1900 frequency for 3g later this year.
Apparently they are trying it out in some places already.
Sent from my GT-I9300 using xda premium
Click to expand...
Click to collapse
A few scattered locations in California and the west coast as well as some on the east coast.
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joshnichols189 said:
A few scattered locations in California and the west coast as well as some on the east coast.
Sent from my GT-I9300 using Tapatalk 2
Click to expand...
Click to collapse
I really hope they go widespread with it because I was in America two months ago and tmo was better than at&t for pricing etc. And I'll likely be going back again and wanna use my phone there on tmo preferably.
Sent from my GT-I9300 using xda premium
nodstuff said:
I really hope they go widespread with it because I was in America two months ago and tmo was better than at&t for pricing etc. And I'll likely be going back again and wanna use my phone there on tmo preferably.
Sent from my GT-I9300 using xda premium
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Click to collapse
Haha yeah it is much better. I have been using mine on T-Mobile and 2G isn't the worst thing in the world, especially when I'm around wifi all day long at school and home, and you can't even get the T-Mobile versions anywhere here.
Sent from my GT-I9300 using Tapatalk 2
here is an interesting link showing these 1900 locations coming up http://www.airportal.de/
I don't think there is any hack or mods, just have to wait for T-Mobile to expand their 1900mhz coverage.
Luckily, I'm in the area where T-Mobile offers 1900mhz coverage and I can connect to hspa+ on my i9300. It's so much faster than what I'm used to when I was on AT&T. I was only getting 0.5-1.5mbps on AT&T but now 5-6mbps on T-Mobile. When I'm in area that lacks coverage, I do get only EDGE though which is pretty darn slow
Sent from my GT-I9300 using Tapatalk 2
What's your data plan wight TMobile ?
2gb or the 200 Mb data package ?
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loppv said:
What's your data plan wight TMobile ?
2gb or the 200 Mb data package ?
Sent from my GT-I9300 using xda premium
Click to expand...
Click to collapse
Unlimited 4G plan with no cap or throttle.
I'm probably going to switch i9300 to new tmobile branded note 2 or S3 though. There is no coverage of 1900mhz when I'm around home area. Using EDGE is so painful...
Sent from my GT-I9300 using Tapatalk 2
zen0s said:
Unlimited 4G plan with no cap or throttle.
I'm probably going to switch i9300 to new tmobile branded note 2 or S3 though. There is no coverage of 1900mhz when I'm around home area. Using EDGE is so painful...
Sent from my GT-I9300 using Tapatalk 2
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Click to collapse
Yeah.. I'm using the 200 Mb data plan with my i9300. Since we only getting edge for now , it is a waste of paying 25 dollars a month for 4g if we can't use the speed.. I'm in New York Brooklyn , and still can't get any 3g signals...
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is the fastest i9300 can go on. Tmobile
Sent from my C6603 using Tapatalk 4
Brooklyn new york here . in nyc ATT is the fastest for mobile data no question about it. I get an average of 6 mbit/s . some times up to 11 mbit/s I tried t mobile and the best i got was edge. under 100 kbit/s could barely make calls. I dont know about other cities or regions but in nyc ATT is king even though they suck .
You'll never get more than 2G. Unless you're in one of the new areas where they have out their new towers. You'll get 2G most of the time... There isn't a "hack" and there never will be... Its a hardware limitation.
Sent from my GT-I9300 using XDA Premium 4 mobile app

I777 working on tmobile?

Hey guys...Im doing a favor for a friend...he just got the I777 rooted ...but he wants to use it for Tmobile...what do i need to change for it to work with a custom rom...and then again can i port a rom from the tmobile S2 ...just modem?any input would be appreciated..
Edit:i have the E4GT on sprint...so i'm not really familiar with the gsm models...
While I should say use the search bar, all the information I've found is pretty outdated regarding this.
The simple answer is that you probably can't get it to work, at least not 3G/4G, if Edge is fine then you can unlock the phone with "Galaxy S Unlock" in the play store, just follow the directions listed, it's pretty simple.
The extended answer:
You might be able to depending on where you are. T-Mobile generally uses the 1700 MHz and 2100 MHz bands for 3G/4G, but the i777 doesn't use the 1700 MHz bands, instead it can use either 850, 1900, 2100 MHz bands for 3G/4G. However in preparation for LTE and just to increase bandwidth across 3G/4G they are starting to take some of their 1900 MHz spectrum from their edge networks and move it to 3G/4G/LTE. This has just started happening very recently and is currently in very few markets, however you may be in one of those, it is still expanding if you aren't but it may take a while. The only way you could know is if you took a T-Mobile sim card and put it in an unlocked i777 and if you get 3G/4G then you are good, otherwise you are stuck with Edge.
Souce: T-Mobile Employee
The S2 for ATT doesn't support 3g for T mobile and vice versa. There could be some weird instance as mentioned above where it could work but in most cases it won't.
Thank you very much for the update guys... I'll see what I can do...
Sent from my SPH-D710 using xda app-developers app
BuildUpNow said:
The S2 for ATT doesn't support 3g for T mobile and vice versa. There could be some weird instance as mentioned above where it could work but in most cases it won't.
Click to expand...
Click to collapse
Mostly true, T-Mobile's S2 should work with AT&T's network, you may have to flash a new radio but theoretically it should work.
You cannot port a T-Mobile ROM because T-Mobile does not have a similar gs2. The T-Mobile gs2 is the twin brother to the skyrocket
Sent from my Galaxy Nexus
I have i777 working on tmobile with 4g. My wife has tmobile so when I upgraded to the GS3, I unlocked the phone using the code from AT&T and I get "4g" on T-Mobile. I did a speed test and was able to get good speeds.
Sent from my SAMSUNG-SGH-I747 using xda premium
You're in a good spot then
Sent from my GS4 running CM11 Kandy Kane
I also have mine unlocked and using it on T-Mobile. I have have 4g everywhere I go in the Boston area. I didn't do anything special just unlocked it with galaxsimunlock I found on xda. Rooted running hellybean 4.2
Sent from my SGH-I777 using xda premium
Where in DFW are you? I am downtown Dallas and thinking of using my i777 on tmobile. Do you know if the whole dfw are has been refarmed yet??
jiannichan said:
I have i777 working on tmobile with 4g. My wife has tmobile so when I upgraded to the GS3, I unlocked the phone using the code from AT&T and I get "4g" on T-Mobile. I did a speed test and was able to get good speeds.
Sent from my SAMSUNG-SGH-I747 using xda premium
Click to expand...
Click to collapse
jiannichan said:
I have i777 working on tmobile with 4g. My wife has tmobile so when I upgraded to the GS3, I unlocked the phone using the code from AT&T and I get "4g" on T-Mobile. I did a speed test and was able to get good speeds.
Sent from my SAMSUNG-SGH-I747 using xda premium
Click to expand...
Click to collapse
That is awesome with mi Carrier i have 1.2mb speed at much
Sent from my SGH-I777 using xda app-developers app
jiannichan said:
I have i777 working on tmobile with 4g. My wife has tmobile so when I upgraded to the GS3, I unlocked the phone using the code from AT&T and I get "4g" on T-Mobile. I did a speed test and was able to get good speeds.
Sent from my SAMSUNG-SGH-I747 using xda premium
Click to expand...
Click to collapse
http://www.airportal.de/
1900MHZ map where t-mobile will work with 4g on att devices
brad65807 said:
Where in DFW are you? I am downtown Dallas and thinking of using my i777 on tmobile. Do you know if the whole dfw are has been refarmed yet??
Click to expand...
Click to collapse
Sorry for the late response, I haven't been on here much lately.I live out in Little Elm, slightly past Frisco close to Lewisville Lake and 380/University. I am about to upgrade my phone again and give my wife the GS3. haven't decided between the GS4 and Note 2 yet.
I am in So.Cal and got 4G out of Edge half of the time from Tmobile ofcourse. The speed is around 7-10Mb/s or so
is there a rom ported from att to T-mobile
kostov22 said:
Hey guys...Im doing a favor for a friend...he just got the I777 rooted ...but he wants to use it for Tmobile...what do i need to change for it to work with a custom rom...and then again can i port a rom from the tmobile S2 ...just modem?any input would be appreciated..
Edit:i have the E4GT on sprint...so i'm not really familiar with the gsm models...
Click to expand...
Click to collapse
I have a i777 running shock3. Im looking for a rom ported w/T-mobile modem for better signal. Any help would be appreciated. Thx dev3329a...
brad65807 said:
Where in DFW are you? I am downtown Dallas and thinking of using my i777 on tmobile. Do you know if the whole dfw are has been refarmed yet??
Click to expand...
Click to collapse
I bought an unlocked AT&T S2 i77 back in June and it runs well..

T-Mobile user - is the Optimus G right for me?

I'm on a T-Mobile contract, and I drool over the development support of the Nexus 4, but I need to have a SD card to put all my music on my phone. I plan on doing the N4 conversion, but I need the phone to do these things:
1) T-Mobile support for HSPA or LTE in New York City and Central NJ. Does T-Mobile LTE work on this phone?
2) SD card support
3) Tethering on T-Mobile. I don't have their official tethering plan but it works on my Galaxy S II CM10 rom.
Experiences?
T mobile lte will work once they turn on it. This phone uses band 4 and 17 and t mobile uses band 4 for lte.
Sent from my LG-P999 using xda app-developers app
Thanks. I wonder if it's possible to flash the T-Mobile radio from the N4 and it would work. Since they're basically the same phone...
I haven't gotten the phone yet so I can't test.
LostInNorth805 said:
T mobile lte will work once they turn on it. This phone uses band 4 and 17 and t mobile uses band 4 for lte.
Sent from my LG-P999 using xda app-developers app
Click to expand...
Click to collapse
Woah so your saying the E970 will be compatable on T-Mobiles LTE Network? Im in washington DC BTW.
If you sim unlock it, you bet.
Sent via LG E970 SlickROM v6
So the at&t optimus G run on the same bands as tmobile lte?
Yes
Sent via LG E970 SlickROM v6
Thanks for the confirmation for LTE. Now would it work for T-Mobile's 3G HSPA?
drexvil said:
Thanks for the confirmation for LTE. Now would it work for T-Mobile's 3G HSPA?
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Click to collapse
Ya it will for sure...
manojcitc said:
Ya it will for sure...
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Click to collapse
Um, you shouldn't be so quick to answer incorrectly. It'll only work in the cities that tmo has refarmed. Google it for the list of cities. Search term "t mobile spectrum refarming".
Sent via LG E970 SlickROM v6
DeathmonkeyGTX said:
Um, you shouldn't be so quick to answer incorrectly. It'll only work in the cities that tmo has refarmed. Google it for the list of cities. Search term "t mobile spectrum refarming".
Sent via LG E970 SlickROM v6
Click to expand...
Click to collapse
Yes double this. I just switched my optimus g to tmobile and it will definately pick up edge but hspa+ is in some areas. Fortunately im in washington DC so its cool sometimes. Unless im moving around in dc then its just a constant in and out. It seems like Tmobile is 1 full step behind at&t when it comes to service and data. They go from hspa+ in dc to Edge but on at&t at least it goes from lte to hspa+ also the quality does not drop anywhere near as much. Tmobile feels like a souped up prepaid service.
My money is on T-mobile. For almost half the monthly cost of AT&T, i get consistent hspa+ speeds of 10-12mb down and 1-2mb up, in my city's refarmed 1900mhz T-mobile market. When T-mobile flips the switch on their LTE, it will be comparable to AT&T/Verison/Sprint LTE, with faster fallback hspa+ speeds and at significant cost savings to boot imo.
http://www.technobuffalo.com/2013/03/22/t-mobile-4g-lte-cities-new-york/
drexvil said:
Thanks for the confirmation for LTE. Now would it work for T-Mobile's 3G HSPA?
Click to expand...
Click to collapse
The OG can pick 1900 frequencies for HSPA so you'll get 3G speed. That's until T Mobile switches frequencies.
Sent from my LG-P999 using xda app-developers app
LostInNorth805 said:
The OG can pick 1900 frequencies for HSPA so you'll get 3G speed. That's until T Mobile switches frequencies.
Sent from my LG-P999 using xda app-developers app
Click to expand...
Click to collapse
I wish you guys could read. Not every tmo market has 1900mhz 3g hspa or hspa+. Google it and make sure your market is on the list. If it's not, it will be soon.
Sent via LG E970 SlickROM v6
LostInNorth805 said:
The OG can pick 1900 frequencies for HSPA so you'll get 3G speed. That's until T Mobile switches frequencies.
Sent from my LG-P999 using xda app-developers app
Click to expand...
Click to collapse
what frequencies will they switch to? only reason they're turning on 1900mhz was for iPhones. they're not gonna shut down after its rolled out. once said and done. T-Mobile will have more spectrums
Sent from my Nexus 7 using xda premium
Don't worry about it. Not happening anytime remotely like soon
Sent via LG E970 SlickROM v6
Deleted

Getting HSPA+ on T-Mobile?

I'm new to T-Mobile, was a HSPA+ ever discovered for us? Any way to get it on the S5 yet?
Sent from my SM-G900T using xda app-developers app
bubblebuddyi said:
I'm new to T-Mobile, was a HSPA+ ever discovered for us? Any way to get it on the S5 yet?
Sent from my SM-G900T using xda app-developers app
Click to expand...
Click to collapse
What are you asking? T-Mobile primary network is EDGE, then HSPA, then LTE. If you want to use only HSPA, you can go to settings>mobile networks>network mode. WCDMA only
MattMJB0188 said:
What are you asking? T-Mobile primary network is EDGE, then HSPA, then LTE. If you want to use only HSPA, you can go to settings>mobile networks>network mode. WCDMA only
Click to expand...
Click to collapse
Sorry, I'm coming from ATT where we had to do weird things to unlock HSPA. My issue is I'm on EDGE more than anything and things don't even load on EDGE. I remember being stuck on E sometimes on ATT, but unlocking HSPA fixed that.
Sent from my Galaxy S5 using Tapatalk
There's no unlocking that Ive ever heard of. It sounds like you just get poor reception. Probably an area that doesn't get 4g or Lte. Check Tmobile coverage map.
Sent from my SM-G900T using xda app-developers app
Yeah, my guess is coverage too. Do go in and check that option that they listed above for your network type. In your situation I would try setting it to WCDMA Only - this will FORCE it to connect to 4G (HSPA+) and if you have no signal for 4g you will have 0 bars so it is a good test to see how that signal is in your area aside from the network map.
You will only be able to use T-Mobile HSPA+ if you are using a T-Mobile branded S5. The AT&T S5 does not support the 1700 AWS band from T-Mobile so you will not be able to get it and will only have access to 2G/3G/4G and LTE (no 4G+)
bubblebuddyi said:
I'm new to T-Mobile, was a HSPA+ ever discovered for us? Any way to get it on the S5 yet?
Sent from my SM-G900T using xda app-developers app
Click to expand...
Click to collapse
risestar2 said:
You will only be able to use T-Mobile HSPA+ if you are using a T-Mobile branded S5. The AT&T S5 does not support the 1700 AWS band from T-Mobile so you will not be able to get it and will only have access to 2G/3G/4G and LTE (no 4G+)
Click to expand...
Click to collapse
BlackAlpha7 said:
Yeah, my guess is coverage too. Do go in and check that option that they listed above for your network type. In your situation I would try setting it to WCDMA Only - this will FORCE it to connect to 4G (HSPA+) and if you have no signal for 4g you will have 0 bars so it is a good test to see how that signal is in your area aside from the network map.
Click to expand...
Click to collapse
Thanks, I'm using a branded t mobile s5 but I'm either on edge or 4G, mostly edge. I didn't realize hspa+ was just another word for 4g. So I guess I'm stuck with edge
Sent from my Galaxy S5 using Tapatalk
T-Mobile rural coverage is quite poor in most areas, however they've committed to modernizing their rural areas now that they've got the major centers but it might take a year or better to get it all done. I'm planning to go to at&t in great meantime now that their rates have come down. I'm stuck in 2g land at home and work here
Sent from my SM-G900T using xda app-developers app
risestar2 said:
T-Mobile rural coverage is quite poor in most areas, however they've committed to modernizing their rural areas now that they've got the major centers but it might take a year or better to get it all done. I'm planning to go to at&t in great meantime now that their rates have come down. I'm stuck in 2g land at home and work here
Sent from my SM-G900T using xda app-developers app
Click to expand...
Click to collapse
Hopefully they fix the service period, there's times when I'm full LTE but can't connect to anything.
Sent from my Galaxy S5 using Tapatalk

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