[Q] Unlocked AT&T GS2 on T-Mobile - Locked down to EDGE? - AT&T Samsung Galaxy S II SGH-I777

I've been offered a SUPERB price on an unlocked AT&T Galaxy S II - but I am a T-Mobile customer.
With that in mind - would that phone be able to utilize 3G/4G on T-Mobile, or would it be locked to EDGE?
Just curious - since I use WiFi in the office as well as at home.
Thanks for any feedback!

Edge only. No 3g
Sent from my SAMSUNG-SGH-I777

Google.
Sent from my SGH-I777 using XDA App

can't you just unlock it for free from the android market?

pham818 said:
can't you just unlock it for free from the android market?
Click to expand...
Click to collapse
Thats not what hes asking. Hes not asking how to unlock it, hes asking that once the phone is unlocked, if it has the 3G/4G bands for T-Mobile... and that answer is no.

Nick281051 said:
Google.
Click to expand...
Click to collapse
I am assuming you meant to search for the answer. LOL!
pham818 said:
can't you just unlock it for free from the android market?
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Click to collapse
I think you missed understood the question.
@ JWhipple - Pirateghost already asnwer your data connection, your wifi should not be affected. Your wifi connection will depends on what wifi you have at the location and the type of wifi connection (IE: b,g, or N). Wifi will automatically takes over when you are at the office and home.

No AT&T phone other than the Skyrocket allows 3G/4G speeds on T-Mobile, and that requires a modem flash.
There's a slight chance the AT&T Note might if you flash a Canadian Bell modem.

You are limited to edge because the chip used doesn't support the 3g bands used by T-Mobile. Tmobile's version of S2 has a different chip.
Sent from my SGH-I9777 using XDA App

Related

[Q] T-Mobile US Wi-Fi Calling

Is there any way to get T-Mobile USA wifi calling working on AT&T Atrix 4G?
I believe this will need some modification with the kernel.. not too sure though.
rush_ad said:
Is there any way to get T-Mobile USA wifi calling working on AT&T Atrix 4G?
I believe this will need some modification with the kernel.. not too sure though.
Click to expand...
Click to collapse
are you using the phone on TMob's network?
Pirateghost said:
are you using the phone on TMob's network?
Click to expand...
Click to collapse
Yes I am. I got the SIM unlock code from AT&T (free) yesterday. And now trying to get wifi calling to work. T-Mobile offers free unlimited wifi calling and I use that feature all the time.
rush_ad said:
Yes I am. I got the SIM unlock code from AT&T (free) yesterday. And now trying to get wifi calling to work. T-Mobile offers free unlimited wifi calling and I use that feature all the time.
Click to expand...
Click to collapse
from what i can tell about TMo's wifi calling is it requires kineto apk and some lib files. may not work at all on the atrix
Is it possible to get those lib files from other phones?
Sorry I dont know the answer to your question, but I'm curious about what your data connection is like with the atrix on tmob. Only getting edge?
Sent from my MB860 using Tapatalk
rush_ad said:
Is it possible to get those lib files from other phones?
Click to expand...
Click to collapse
possibly. if you want to go over to one of the tmobile based phone forum (G2/Desire Z, Glacier, etc) and find the appropriate files. there may need to be changes in build.prop too, i dont remember.
hoodlikegaza said:
Sorry I dont know the answer to your question, but I'm curious about what your data connection is like with the atrix on tmob. Only getting edge?
Sent from my MB860 using Tapatalk
Click to expand...
Click to collapse
thats the only thing that you can get on TMo with these phones. their 3g/4g runs on different frequencies that we cant access from this phone.
Thanks pirate, I will give it a try in the glacier thread. I used to have a mytouch 4g.

At&t note or international note for use with T-Mobile 4g unlimited plan

Like the title says what's better or preference from any body who has these phones I. Planning g on unlocking the att version to use on tmoblie 4g unlimited thanks
Sent from my SGH-T989 using XDA
rg1973 said:
Like the title says what's better or preference from any body who has these phones I. Planning g on unlocking the att version to use on tmoblie 4g unlimited thanks
Sent from my SGH-T989 using XDA
Click to expand...
Click to collapse
Dude,
It works very well! I have the AT&T Note... I unlocked it ($25 on ebay, I prefer this method as the seller has a reputation to protect). I then had it rooted, then flashed over to T-Mobile (http://rootgalaxynote.com/).
I did a test on the $30 - 1,500 minute plan (only 30 megs of data) to see how it works. I did this before flashing the modem and the 2G/Edge doesn't work well at all for the Note. However, after flashing the modem, it screams on TMO's 4G.
Good luck to you, but flash it and don't look back!
MrJinx said:
Dude,
It works very well! I have the AT&T Note... I unlocked it ($25 on ebay, I prefer this method as the seller has a reputation to protect). I then had it rooted, then flashed over to T-Mobile (http://rootgalaxynote.com/).
I did a test on the $30 - 1,500 minute plan (only 30 megs of data) to see how it works. I did this before flashing the modem and the 2G/Edge doesn't work well at all for the Note. However, after flashing the modem, it screams on TMO's 4G.
Good luck to you, but flash it and don't look back!
Click to expand...
Click to collapse
Thanks for your feedback
Sent from my SGH-T989 using XDA
But just as a heads up, the exynos chip in the international version is not LTE equipped. So, if you get the international model it won't work on Tmobile's 4g bands even if you flash/hack/pray to the cell gods or anything else to your phone.
bonefan03 said:
But just as a heads up, the exynos chip in the international version is not LTE equipped. So, if you get the international model it won't work on Tmobile's 4g bands even if you flash/hack/pray to the cell gods or anything else to your phone.
Click to expand...
Click to collapse
LOL thanks that def would be the deal breaker
Sent from my SGH-T989 using XDA
I'm not totally sure but, I believe if you get the international it will work on tmobile's hspa+. You shouldn't have to get the AT&T version if you just want to use the phone on tmobile and, are ok without LTE. Hspa+ is still very fast.
Sent from my iPad using Tapatalk HD
Anyone else using T-Mobile with the att note
Sent from my SGH-T989 using XDA
I'm using simple mobile with the At&t model. I get around 3mb down.
But just as a heads up, the exynos chip in the international version is not LTE equipped. So, if you get the international model it won't work on Tmobile's 4g bands even if you flash/hack/pray to the cell gods or anything else to your phone.
Click to expand...
Click to collapse
T-Mobile doesn't even have LTE so it doesn't make a difference.
The AT&T Note is the only one that works with T-Mobile 4G which again, is not LTE.
Also, no the international version does NOT get T-Mobile hspa +.
The international version ONLY gets EDGE on T-Mobile.
Sent from my GT-I9100 using xda premium
rg1973 said:
Like the title says what's better or preference from any body who has these phones I. Planning g on unlocking the att version to use on tmoblie 4g unlimited thanks
Sent from my SGH-T989 using XDA
Click to expand...
Click to collapse
read this http://forum.xda-developers.com/showthread.php?t=1547114
and read this for Troubleshooting http://forum.xda-developers.com/showthread.php?t=1521755
I almost bought an international one for tmo.. glad I read this thread first
AllGamer said:
read this http://forum.xda-developers.com/showthread.php?t=1547114
and read this for Troubleshooting http://forum.xda-developers.com/showthread.php?t=1521755
Click to expand...
Click to collapse
Bought a AT&T gonna try the straight talk unlimited maybe I wont need to unlock it anyway,if straight talk sucks then I can always do the T-Mobile hack I'm not on a contract with either. Wondering if anyone else is useing straight talk and what they think if it .I do want to root this and get rd of the att crap any suggestions r welcome
Sent from my SGH-T989 using XDA

Using T-Mobile on AT&T note

Hello, I've read the threads about getting 4G HSPA+ T-Mobile on the note, but will I be able to make phone calls without 4G at least? And have 2G connectivity?
Yes, once you carrier unlock it it will work for calls/2G out of the box on tmo.
Juanpv said:
Yes, once you carrier unlock it it will work for calls/2G out of the box on tmo.
Click to expand...
Click to collapse
My local AT&T store said they don't unlock devices. Where should I go online for a carrier unlock/can I do it for free somehow?
i used cellunlock.net im using my phone on t-mobile search for Allgamers post on using this in t-mobile 4g network i get a good 7-10 mb on download 1-2 upload i came from an sg2 and sonera people complain but not me i like this phone
Sent from my SAMSUNG-SGH-I717 using XDA

[Q] Can I hack this phone and use it with other networks in my conutry?

Hi guys, im wondering is it posible for me to use this phone with other network carriers in my country. And also what do i need to do if i can? Thanks
Unlocking the phone will allow you to use any carrier that you want. An unlock code is required, Google unlocking cell phone there is tons of information to read about unlocked phone's.
Sent from my LG-P500 using XDA
You'll be able to use the voice but not the data. Because the phone is specifically designed for AT&T, it has radios for specific AT&T bandwidths. Basically, you'll be able to make calls and get 2g data but you'll never be able to get 3g or HSPA+ on any other carrier's network.
fdaconta said:
Unlocking the phone will allow you to use any carrier that you want. An unlock code is required, Google unlocking cell phone there is tons of information to read about unlocked phone's.
Sent from my LG-P500 using XDA
Click to expand...
Click to collapse
Wrong that isn't necessary if he had looked before posting he would have seen that there is a thread on this
Sent from my SGH-I777 using Tapatalk 2
thanx...can u give me a link to a thread which can help me?
It took me literally 30 seconds to find this thread via searching:
FraneSare said:
thanx...can u give me a link to a thread which can help me?
Click to expand...
Click to collapse
http://forum.xda-developers.com/showthread.php?t=1289395
Can someone come to my house and answer any question I have by doing the work for me and make my phone the bestest iPh... i777 evarrr?!
Please, I don't want to use that thing you call a... Bar of search?
/endtroll
Clay
Sent from my SGH-I777 using XDA
clay101eve said:
Can someone come to my house and answer any question I have by doing the work for me and make my phone the bestest iPh... i777 evarrr?!
Please, I don't want to use that thing you call a... Bar of search?
/endtroll
Clay
Sent from my SGH-I777 using XDA
Click to expand...
Click to collapse
I trucking love u bro. Lol u think the way I do. Or maybe I think the way u do.....either one. Lol
PC gamer state of mind bro!
I'm still a noob and will be posting some "give me freebies" threads soon i'm sure... However, I've been fighting this problem for 2 weeks... Post incoming if not successful today. (nothing to do with OP)
Clay
Sent from my SGH-I777 using XDA
clay101eve said:
Can someone come to my house and answer any question I have by doing the work for me and make my phone the bestest iPh... i777 evarrr?!
Please, I don't want to use that thing you call a... Bar of search?
/endtroll
Clay
Sent from my SGH-I777 using XDA
Click to expand...
Click to collapse
Phalanx and I have come to know that this "search" is quite mysterious and known to but a few people. Please help people come to know of this "bar of search"
Sent from my SGH-I777 using XDA
brandonarev said:
Phalanx and I have come to know that this "search" is quite mysterious and known to but a few people. Please help people come to know of this "bar of search"
Sent from my SGH-I777 using XDA
Click to expand...
Click to collapse
I've seen cave paintings of what appear to be Google search Widgets....and rough drawings of what may very well be noob guides....the hunt continues...
Samsung Galaxy SII ETF??
hey people i own a samsung galaxy s ii for about 2 months now and i wanted to unlock the phone
i wanted to ask you guys do i need to pay the ETF fee to the AT&T
i will also be leaving usa and then i would living in india
please help me and tell me whether i need to do something
i also wanted to buy a new iphone and take it to india for my brother
are there any legal issues of etf problems for the phone
I have the same AT&T galaxy S2 and I live outside the US. When you unlock your phone you can use it outside the US with any carrier, now the tricky part is if your phone is GSM then you may use a SIM card if its not then you need to go directly to the company and set up the phone with a number. Some companies out side the US rely only on SIM card for internet use, this does not mean your phone will not work as a phone. Figure out first if your phone is GSM, if not find out where your moving if they offer internet use for phones that don't accept SIM cards.
You can take any phone where every you want, it's YOUR PHONE. Now if the phone has a bad ESN (stolen, debt or w/e reason) then no, it's not a good idea.
My phone is a GSM
i just wanted to know whether is have to pay a Early Termination Fee to the people at AT&T
will unlocking be an issue
thank you for any help
Starfleeter said:
You'll be able to use the voice but not the data. Because the phone is specifically designed for AT&T, it has radios for specific AT&T bandwidths. Basically, you'll be able to make calls and get 2g data but you'll never be able to get 3g or HSPA+ on any other carrier's network.
Click to expand...
Click to collapse
I live in Venezuela and i get full 3g/h+ signal and download rates. Yes this phone comes with at&t frequencies, but they aren't exclusives to that carrier. Most carriers in the world use the exact same frequencies.
Sent from my SGH-I777 using XDA
Starfleeter said:
You'll be able to use the voice but not the data. Because the phone is specifically designed for AT&T, it has radios for specific AT&T bandwidths. Basically, you'll be able to make calls and get 2g data but you'll never be able to get 3g or HSPA+ on any other carrier's network.
Click to expand...
Click to collapse
Not necessarily correct. 3G and H+ is possible worldwide.
The AT&T Samsung Galaxy S II SGH-I777 fully supports:
quad-band for 2G (850/900/1800/1900 MHz) and
tri-band for 3G (850/1900/2100 MHz).
It is only missing the 900 MHz band for 3G. But much of the world uses 2100 MHz for 3G anyways, so after you unlock this phone, you'll be all set to receive 3G or H+.
arcrazy said:
hey people i own a samsung galaxy s ii for about 2 months now and i wanted to unlock the phone
i wanted to ask you guys do i need to pay the ETF fee to the AT&T
i will also be leaving usa and then i would living in india
please help me and tell me whether i need to do something
i also wanted to buy a new iphone and take it to india for my brother
are there any legal issues of etf problems for the phone
Click to expand...
Click to collapse
There is always a ETF if you plan to cancel your wireless plan during contract. To Permanently Unlock your phone, I found the best way is to call AT&T and request an unlock code. If you don't want to deal with AT&T, you can always go to ebay and buy an unlock code.
mikeflash said:
I live in Venezuela and i get full 3g/h+ signal and download rates. Yes this phone comes with at&t frequencies, but they aren't exclusives to that carrier. Most carriers in the world use the exact same frequencies.
Sent from my SGH-I777 using XDA
Click to expand...
Click to collapse
Yup. I've traveled to Europe and Asia and had no problems getting 3G and H+ with my unlocked I777.
wamster said:
Not necessarily correct. 3G and H+ is possible worldwide.
The AT&T Samsung Galaxy S II SGH-I777 fully supports:
quad-band for 2G (850/900/1800/1900 MHz) and
tri-band for 3G (850/1900/2100 MHz).
It is only missing the 900 MHz band for 3G. But much of the world uses 2100 MHz for 3G anyways, so after you unlock this phone, you'll be all set to receive 3G or H+.
There is always a ETF if you plan to cancel your wireless plan during contract. To Permanently Unlock your phone, I found the best way is to call AT&T and request an unlock code. If you don't want to deal with AT&T, you can always go to ebay and buy an unlock code.
Yup. I've traveled to Europe and Asia and had no problems getting 3G and H+ with my unlocked I777.
Click to expand...
Click to collapse
It all depends on where you go
Sent from my SGH-I777 using Tapatalk 2
Nick281051 said:
It all depends on where you go
Sent from my SGH-I777 using Tapatalk 2
Click to expand...
Click to collapse
Yup. Always best to be prepared.

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..

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