Unlocking Q - T-Mobile Samsung Galaxy S II SGH-T989

If I unlocked my Hercules and used at&t prepaid and flashed a skyrocket radio would I be able to use their data? And also would the data be just as fast?
Sent from my SAMSUNG-SGH-I727 using xda app-developers app

Yes I think so might just have to change APN settings

How do you do that?
Sent from my SAMSUNG-SGH-I727 using xda app-developers app

I'm not for sure you may not have to. I only know how to change APN on a iPhone. You should be OK with just an unlocked t989 and radio change

I believe you could use it, but it would only be 2g because at&t uses LTE for their high speed networks. The physical radio itself in our Hercules just doesn't support it.
Sent from my SAMSUNG-SGH-T989 using xda premium

But a att radio should fix that

No, not the software radio. That will give you the 2G signal, but we don't have the actual physical hardware to run full speed on at&t's network. That's part of why the Hercules has a different processor, the one in the international/att sII wouldn't work with tmo's hspa network.
Sent from my SAMSUNG-SGH-T989 using xda premium

You would be able to use your Hercules on AT&T but if the fast data you're referring to is 4G LTE, then no, you won't get that because the Hercules doesn't have the hardware needed to support it. You would get HSPA+ though.
Sent from my SAMSUNG-SGH-T989 using xda premium

Couldn't you turn off 4g and just pull 3g and it work that way?

zombielion said:
Couldn't you turn off 4g and just pull 3g and it work that way?
Click to expand...
Click to collapse
No. You could turn off 4G and get EDGE/2G though.

On Verizon phones you can turn off 4g to only use 3g why would it not be the same

zombielion said:
On Verizon phones you can turn off 4g to only use 3g why would it not be the same
Click to expand...
Click to collapse
T-Mobile's 3G/4G networks run on the same bands so you can't block something on one band and only let the other thing work. I guess Verizon has different bands for 3G/4G.
Sent from my SAMSUNG-SGH-T989 using xda premium

I see got cha.. I didn't know

I hope i'm not hijacking here but I have a similar question. I'm in an at&t lte market and was considering using my t989 with at&t via straightalk. Would I be better off to sell my phone and get a "true" at&t phone that does LTE?

philo_ said:
I hope i'm not hijacking here but I have a similar question. I'm in an at&t lte market and was considering using my t989 with at&t via straightalk. Would I be better off to sell my phone and get a "true" at&t phone that does LTE?
Click to expand...
Click to collapse
If you use Straight Talk, then no matter what phone you use, you won't get LTE so it doesn't matter if you use a T989 or an AT&T phone.
Sent from my SAMSUNG-SGH-T989 using xda premium

Thanks for the info. I'm still looking at options. Appreciate the quick reply.

Related

[Q] T-Mobile Galaxy SII on AT&T?

Sorry if this is a stupid question, but will my T-Mobile Galaxy SII T-989 work on the AT&T network with full service 4G if I unlock my T-989? Thinking about switching providers and wanted to know if my phone will work.
yeah thats what i heard..i dont know about 4g but i think it wil go ful speed 3g for data.. so yeah.
http://www.youtube.com/watch?v=8ohifmJpTOc
3G yes. 4G as in HSPDA yes, 4G as in LTE no
Actually the T-Mobile GS2 has LTE radio in it. At least anytime you plug it in to the computer it registers as an LTE composite device.
Sent from my SGH-T989 using XDA
I wondered about 4G LTE. I was in a service setting menu and there was an option to change the band to LTE. Not sure if the phone has the capability but the option in the menu is there.
Sent from my SGH-T989 using xda premium
Thet989 has no lte radio in it. No4g on att
Sent from my SGH-T989 using XDA
cromo8 said:
Actually the T-Mobile GS2 has LTE radio in it. At least anytime you plug it in to the computer it registers as an LTE composite device.
Sent from my SGH-T989 using XDA
Click to expand...
Click to collapse
It does not, there was a huge thread about this a couple months back. Please don't give out false information
Sent from my Galaxy Nexus using Tapatalk 2
yeah it will work with 3g data
Sent from my Galaxy Nexus using XDA
Att go phone on T-Mobile sgs2 unlocked ..
Sent from my SGH-T989 using Xparent ICS Blue Tapatalk 2
Questions go in the Q&A section
agtitan said:
Sorry if this is a stupid question, but will my T-Mobile Galaxy SII T-989 work on the AT&T network with full service 4G if I unlock my T-989? Thinking about switching providers and wanted to know if my phone will work.
Click to expand...
Click to collapse
Why do you want to switch providers?
AT&T internet SUCKS!!!!!!!
T-MOBILE INTERNET IS THE FASTEST ONE IN THE USA!!!!!!!!!!:thumbup::thumbup::thumbup:
Sent from my SGH-T989
romny19 said:
Why do you want to switch providers?
AT&T internet SUCKS!!!!!!!
T-MOBILE INTERNET IS THE FASTEST ONE IN THE USA!!!!!!!!!!:thumbup::thumbup::thumbup:
Sent from my SGH-T989
Click to expand...
Click to collapse
Att has LTE whilst T-Mobile doesn't....
Sent from my Galaxy Nexus using Tapatalk 2
iLeopard said:
Att has LTE whilst T-Mobile doesn't....
Sent from my Galaxy Nexus using Tapatalk 2
Click to expand...
Click to collapse
Ok prove your "at&t super speed LTE"
Upload a pic and ill do the same and lets see which one is faster?
Sent from my SGH-T989
romny19 said:
Ok prove your "at&t super speed LTE"
Upload a pic and ill do the same and lets see which one is faster?
Sent from my SGH-T989
Click to expand...
Click to collapse
You can beat this?
No?
Oh well...
agtitan said:
Sorry if this is a stupid question, but will my T-Mobile Galaxy SII T-989 work on the AT&T network with full service 4G if I unlock my T-989? Thinking about switching providers and wanted to know if my phone will work.
Click to expand...
Click to collapse
the T989 (hercules) DOES have LTE bands/radio capabilities. tmous is planning on launching their LTE network...soonish (knowing tmo, more like eventually)
#*2263#
in theory...yes, I don't know att's LTE band preferences, but we have the hardware for LTE.
Sent from the darkside
sabreful said:
the T989 (hercules) DOES have LTE bands/radio capivilifies. tmous is planning on launching their LTE network...soonish (knowing tmo, more like eventually)
#*2263#
View attachment 1070067View attachment 1070068
in theory...yes, I don't know att's LTE band preferences, but we have the hardware for LTE.
Sent from the darkside
Click to expand...
Click to collapse
It doesn't have the hardware to run lte, man.
agtitan said:
Sorry if this is a stupid question, but will my T-Mobile Galaxy SII T-989 work on the AT&T network with full service 4G if I unlock my T-989? Thinking about switching providers and wanted to know if my phone will work.
Click to expand...
Click to collapse
forgot a screenshot
Sent from my SGH-T989 using Tapatalk
sabreful said:
forgot a screenshot
View attachment 1070074
Sent from my SGH-T989 using Tapatalk
Click to expand...
Click to collapse
That doesn't mean anything, you don't have the hardware
confusion then. why is it the first Samsung device to show LTE bands then... if it doesn't actually have the hardware then why do they show up? the t959v gs4g doesn't show them. why this one?
Sent from my SGH-T989 using Tapatalk
sabreful said:
confusion then. why is it the first Samsung device to show LTE bands then... if it doesn't actually have the hardware then why do they show up? the t959v gs4g doesn't show them. why this one?
Sent from my SGH-T989 using Tapatalk
Click to expand...
Click to collapse
I don't know what to tell ya besides you won't get lte

[Q] - T989 on ATT network

Everything seems to work relatively well with my current unlocked device on ATT. Only problem is data seems kind of patchy (speedtests show it just spiking and dropping like mad, have to hit retry frequently when loading pages or surfing the app store, etc). I am using the ATT APN settings based around the wap.cingular stuff that seems to be the most common. I average around 1mb speeds so my question is would I benefit from finding a different radio for this setup? If so which one should I try?
Device is running the Darkside venom ICS build. Thanks.
jeffhesser said:
Everything seems to work relatively well with my current unlocked device on ATT. Only problem is data seems kind of patchy (speedtests show it just spiking and dropping like mad, have to hit retry frequently when loading pages or surfing the app store, etc). I am using the ATT APN settings based around the wap.cingular stuff that seems to be the most common. I average around 1mb speeds so my question is would I benefit from finding a different radio for this setup? If so which one should I try?
Device is running the Darkside venom ICS build. Thanks.
Click to expand...
Click to collapse
I plan on going to a straighttalk sim. Which would be off att (that's the sim I want) and I'm going to keep the ice cream sandwich kernel on it ulve1 I believe it is. I would NOT flash an att radio. I believe that would brick it.
Sent from my Galaxy SII T-mobile using Tapatalk
yup
elesbb said:
I plan on going to a straighttalk sim. Which would be off att (that's the sim I want) and I'm going to keep the ice cream sandwich kernel on it ulve1 I believe it is. I would NOT flash an att radio. I believe that would brick it.
Sent from my Galaxy SII T-mobile using Tapatalk
Click to expand...
Click to collapse
I guess i'll just keep on cruising along. It seems to work alright but if there was a way to squeeze more power out of this bad boy I'd certainly take it.
elesbb said:
I plan on going to a straighttalk sim. Which would be off att (that's the sim I want) and I'm going to keep the ice cream sandwich kernel on it ulve1 I believe it is. I would NOT flash an att radio. I believe that would brick it.
Sent from my Galaxy SII T-mobile using Tapatalk
Click to expand...
Click to collapse
False, you can interchange between SR and herc radios kernels and roms. Just don't odin anything.
Btw to op. Sell your herc and buy a SR for cheaper + using LTE = profitx2
Sent from my SGH-T989 using xda app-developers app
Teo032 said:
False, you can interchange between SR and herc radios kernels and roms. Just don't odin anything.
Btw to op. Sell your herc and buy a SR for cheaper + using LTE = profitx2
Sent from my SGH-T989 using xda app-developers app
Click to expand...
Click to collapse
Not according to mr vlad.. which makes sense cause of LTE. Plus for me i cant get anybodys LTE where i live.
Unless the Herc ignores the LTE frequencies using that radio?
Vlad83 said:
No the skyrocket has LTE radio, won't won't. The Galaxy S blaze does..
Sent from my SAMSUNG-SGH-T989 using xda premium
Click to expand...
Click to collapse
Teo032 said:
False, you can interchange between SR and herc radios kernels and roms. Just don't odin anything.
Btw to op. Sell your herc and buy a SR for cheaper + using LTE = profitx2
Sent from my SGH-T989 using xda app-developers app
Click to expand...
Click to collapse
I didn't think the ST plans supported LTE, so SR on ST isn't any benefit over the T989?
To the OP, you might check out here:
http://forum.xda-developers.com/showthread.php?t=1676966
Folks are posting tmo and att ST speeds. There's an off chance someone from your area may have posted att speeds for you to compare to.
GL!
noneone said:
I didn't think the ST plans supported LTE, so SR on ST isn't any benefit over the T989?
To the OP, you might check out here:
http://forum.xda-developers.com/showthread.php?t=1676966
Folks are posting tmo and att ST speeds. There's an off chance someone from your area may have posted att speeds for you to compare to.
GL!
Click to expand...
Click to collapse
The op is on att that's why i directed it to him.
Sent from my SGH-T989 using xda app-developers app
elesbb said:
Not according to mr vlad.. which makes sense cause of LTE. Plus for me i cant get anybodys LTE where i live.
Unless the Herc ignores the LTE frequencies using that radio?
Click to expand...
Click to collapse
Got a bit confused on what you were saying but yeah herc doesn't pick up the lte freq. Our device is missing the chip for it
Sent from my SGH-T989 using xda app-developers app
Teo032 said:
Got a bit confused on what you were saying but yeah herc doesn't pick up the lte freq. Our device is missing the chip for it
Sent from my SGH-T989 using xda app-developers app
Click to expand...
Click to collapse
But one can still flash an att radio and the Hercules would ignore the lte? Or would flashing a sr radio brick the device?
Sent from my SAMSUNG-SGH-T989 using Tapatalk
OK, why do folks have an interest in flashing skyrocket stuff onto the T989? Just get a carrier unlock from TMO, get an ATT or ST ATT sim, and pop it into the T989, talk away. What am I missing? What does the SR have that the T989 doesn't?
elesbb said:
But one can still flash an att radio and the Hercules would ignore the lte? Or would flashing a sr radio brick the device?
Sent from my SAMSUNG-SGH-T989 using Tapatalk
Click to expand...
Click to collapse
SR radio does not
Brick the device, they're interchangeable. Herc does not ignore lte. They don't even pick it up.
noneone said:
OK, why do folks have an interest in flashing skyrocket stuff onto the T989? Just get a carrier unlock from TMO, get an ATT or ST ATT sim, and pop it into the T989, talk away. What am I missing? What does the SR have that the T989 doesn't?
Click to expand...
Click to collapse
For faster data and stronger signal you want an att radio which is design to optimize those bands.
SR has LTE. other than that they're identical
Sent from my SGH-T989 using xda app-developers app
Teo032 said:
For faster data and stronger signal you want an att radio which is design to optimize those bands.
Sent from my SGH-T989 using xda app-developers app
Click to expand...
Click to collapse
Anyone got any experience / data with this? The T989 seems to work just fine on ATT with stock radio, doesn't seem to need an SR radio. I thought the bands were identical.
Thanks!
noneone said:
Anyone got any experience / data with this? The T989 seems to work just fine on ATT with stock radio, doesn't seem to need an SR radio. I thought the bands were identical.
Thanks!
Click to expand...
Click to collapse
You can probably get HSPDA+ which is equivalent to the speeds in T-Mobile.
Sent from my SGH-T989 using xda app-developers app
noneone said:
Anyone got any experience / data with this? The T989 seems to work just fine on ATT with stock radio, doesn't seem to need an SR radio. I thought the bands were identical.
Thanks!
Click to expand...
Click to collapse
its ymmv, the stock radio can pick up H+ on AT&T but for users who have slow data, flashing AT&T radios helps. Unless you're just trying to prove me wrong or something.
Where to Dl the AT&T radio
Sent from my SGH-T989 using xda premium
Teo032 said:
its ymmv, the stock radio can pick up H+ on AT&T but for users who have slow data, flashing AT&T radios helps. Unless you're just trying to prove me wrong or something.
Click to expand...
Click to collapse
Trying to find some data. Something like "on att with tmo radio I get 2 MbS download, but same phone on att with att radio I get 4mbs".
I know that different combinations of radios and roms can improve reception in some areas.
I also haven't seen anything that indicates the MAGNITUDE of the difference.
I get that sometimes, maybe, if you're having trouble with your current reception, you might be able to get better reception if you flash some other radio. (from your current carrier or a different carrier)
BUT some folks think that they should almost routinely flash their T989 to an att radio if they want to use it on ATT. I haven't seen it help at all on my phone.
So my question is two fold, what is the MAGNITUDE of the difference, and, how OFTEN does it make a difference. I was hoping someone had some data on that.
Thanks!

Using my T989 on AT&T

I am going to be passing down my unlocked S2 to my girlfriend that is currently(for now) on ATT. I am running "Jedi Bean" now and just like everyone else on a 4.1 ROM, I dont have signal strength bars.
My question are:
*Is there anyway for me to get Signal strength bars with a T989 on ATT?
*Should, or could I even, flash an ATT radio? Would it help reception on ATT?
Please give me some ideas as to what I can do to make my T989 run as flawless, and as "normal", as possible on ATT's network.
U will only get 2g speed I would recommend selling or trading for a skyrocket
Sent from my SGH-T989
ted619 said:
U will only get 2g speed I would recommend selling or trading for a skyrocket
Sent from my SGH-T989
Click to expand...
Click to collapse
I know it cant get 4G, but I thought the T989 is capable of 3G on AT&T, it has the band for it...The main reason I am giving my girlfriend the S2 is so she can have all the Samsung apps and enjoy a better phone than she has; currently an HTC Inspire. I dont want to sell/trade it is because its my spare phone now that I sold my Galaxy S.
Side note: My girlfriend barely uses data, so the reduced speed is not a big deal.
It gets 3g on at&t because occasionally when I go out of my hspa 4g range like in middle of nowhere my phone will link up to an at&t tower on the edge network which is technically 3g. Sometimes its gprs 2g but it does get 3g on at&t signal.
Sent from my SGH-T989 using Tapatalk
I also have a t989 on at&t and don't use data so is it possible to flash a different radio for better clarity?
My default radio is UVLC8
Sent from my SGH-T989 using xda app-developers app
abhi08638 said:
I also have a t989 on at&t and don't use data so is it possible to flash a different radio for better clarity?
My default radio is UVLC8
Sent from my SGH-T989 using xda app-developers app
Click to expand...
Click to collapse
Doesnt look like anyone has an answer for us...
Yeah so i tried it anyway and it the UVLI4 radio works flawlessly for me.
Sent from my SGH-T989 using xda app-developers app

Verizon s3 unlock to Tmobile

I got a free Verizon s3.... I need to know if i can use Tmobile on it?
I read several threads....but no real info.
Any help would be great.
Sent from my SGH-T989 using xda premium
No. Verizon is CDMA TMo is GSM.
alloycowboy said:
I got a free Verizon s3.... I need to know if i can use Tmobile on it?
I read several threads....but no real info.
Any help would be great.
Sent from my SGH-T989 using xda premium
Click to expand...
Click to collapse
verizon is cdma tmobile is gsm But:
u can sign up with metroPCS (uses cdma) owned by tmobile till 2015 ....that's when tmo will phase out cdma network.
hope that helps!
Alright....thank you for the help
blackangst said:
No. Verizon is CDMA TMo is GSM.
Click to expand...
Click to collapse
Wrong, You can use Verizon S3 with Tmobile if you unlock the phone. Verizon S3 has Sim Slot. I'm using one right now
check this: http://forum.xda-developers.com/showthread.php?t=2013647
and this: http://forum.xda-developers.com/showthread.php?t=1809314
Originally Posted by blackangst
No. Verizon is CDMA TMo is GSM.
Click to expand...
Click to collapse
Wrong, You can use Verizon S3 with Tmobile if you unlock the phone. Verizon S3 has Sim Slot. I'm using one right now
check this:
Double wrong. Verizon has a different RADIO frequency than AT&T and/or T-Mobile. It is impossible to update/change the radio for a sim on att/tmobile for it to work on Verizon phone. Like said before: Verizon is CDMA (code division network based) AT&T/T-MOBILE is GSM (global system network) now let me Synthesise, IMPOSSIBLE for the simcard to work in Verizon phone with out the appropriate radio for the network!
Sent from my SAMSUNG-SGH-T989 using xda premium
---------- Post added at 08:02 AM ---------- Previous post was at 07:50 AM ----------
porto35 said:
Wrong, You can use Verizon S3 with Tmobile if you unlock the phone. Verizon S3 has Sim Slot. I'm using one right now
check this:
Click to expand...
Click to collapse
Wrong, You can use Verizon S3 with Tmobile if you unlock the phone. Verizon S3 has Sim Slot. I'm using one right now
check this:
Double wrong. Verizon has a different RADIO frequency than AT&T and/or T-Mobile. It is impossible to update/change the radio for a sim on att/tmobile for it to work on Verizon phone. Like said before: Verizon is CDMA (code division network based) AT&T/T-MOBILE is GSM (global system network) now let me Synthesise, IMPOSSIBLE for the simcard to work in Verizon phone with out the appropriate radio for the network!
Sent from my SAMSUNG-SGH-T989 using xda premium
Click to expand...
Click to collapse
Sent from my SAMSUNG-SGH-T989 using xda premium
The first touch screen BlackBerry made for Verizon works on T-Mobile so why wouldn't this ? Granted the phone sucks and can only get edge, but it worked none the less
Sent from my SGH-T989 using xda app-developers app
Spastic909 said:
The first touch screen BlackBerry made for Verizon works on T-Mobile so why wouldn't this ? Granted the phone sucks and can only get edge, but it worked none the less
Sent from my SGH-T989 using xda app-developers app
Click to expand...
Click to collapse
some of the verizon phones are "world phones" and have both gsm and cdma. all verizon lte phones have a sim card but only some have gsm. I don't know anything about the verizon s3 but you would be better off asking in the verizon s3 forums.
I know what world phones are. Was just stating to the other dude who thinks it completely impossible.
Sent from my SGH-T989 using xda app-developers app
Not impossible. I get 3g on it and that's it. But when i change ROMs i have to redo the whole freaking APN settings again!!!
Too much of a hassle. So i got rid of it.
Sent from my SAMSUNG-SGH-T989 using xda premium
alloycowboy said:
I got a free Verizon s3.... I need to know if i can use Tmobile on it?
Click to expand...
Click to collapse
Yes you can, see this right now you can only get E speed on it. My S3 is actually flashed to Pageplus and I can use it with any GSM carrier here in the US, it's fairly easy to do but like I said you only get "Edge" speed for now. I've use Net10, Simplemobile and StraightTalk, any GSM will work you can also flash to other CDMA like Metro, Cricket or Pageplus.
Maxninja said:
Sent from my SAMSUNG-SGH-T989 using xda premium
Click to expand...
Click to collapse
you have no idea about Verizon S3. Don't try to be smart my friend. I'm very sure that you don't own any S3 from Verizon. Stop BS about CDMA and GSM radio. I have been used my Verizon S3 for Tmobile for more than 8 months.
porto35 said:
you have no idea about Verizon S3. Don't try to be smart my friend. I'm very sure that you don't own any S3 from Verizon. Stop BS about CDMA and GSM radio. I have been used my Verizon S3 for Tmobile for more than 8 months.
Click to expand...
Click to collapse
See... This is what happens when a ignoramus tries to be smart .. You don't know what you're saying.. It is a proven fact that you can't put a GSM into a NON-gsm phone and expect it to work! (i tried it.. And it failed.. Invalid sim[in a unlocked vzw phone])
Now, this is posted in the wrong thread.
Phone history:
1.T-Mobile Mytouch 3G Fender Ed. - lost
2.T959V - ROOTED#bricked/trying to fix
3.T959 - ROOTED#SlimRom build 5.5 - backup
4.Moto Razor V9 - broken
5. Samsung Intercept - ROOTED#Stock
6.I897 - ROOTED#SlimRom build 3.1- backup/usb port broken-MIA
7.T989 - ROOTED#SlimRom build5.5 - present
yes but havent tried
there are several places saying it is totally possible and ive called verizon trying to see what they would say and the answer i got, at least for out of the country GSM, is that the S3 comes "unlocked already" and you just put in the sim card from whatever out of country carrier you want. apparently that came with the 4.1.2 update to the phone. Now putting with a us carrier might be different but i cant try it because i have my phone flashed to metropcs and i cant just put a metro sim card in it. here a few places i found just by looking on google
http://rootandunlock.blogspot.com/2013/04/rooting-and-unlocking-your-verizon.html
http://androidrays.com/518/change-cdma-verizon-galaxy-s3-to-gsm-handset-by-hack/
http://www.youtube.com/watch?v=tc7PRDPIzHY
and theres a couple more
Maxninja said:
See... This is what happens when a ignoramus tries to be smart .. You don't know what you're saying.. It is a proven fact that you can't put a GSM into a NON-gsm phone and expect it to work! (i tried it.. And it failed.. Invalid sim[in a unlocked vzw phone])
Now, this is posted in the wrong thread.
Phone history:
1.T-Mobile Mytouch 3G Fender Ed. - lost
2.T959V - ROOTED#bricked/trying to fix
3.T959 - ROOTED#SlimRom build 5.5 - backup
4.Moto Razor V9 - broken
5. Samsung Intercept - ROOTED#Stock
6.I897 - ROOTED#SlimRom build 3.1- backup/usb port broken-MIA
7.T989 - ROOTED#SlimRom build5.5 - present
Click to expand...
Click to collapse
U actually can use the Verizon variant s3 on tmobiles network as the s3 is a world phone, now here's where and why most ppl don't, Verizon's network is CDMA as we all know and T-Mobile is a gsm network, so with the s3 being a world phone it can be used on a gsm network but u will never see 4g or even real 3g speeds, Verizon's s3 doesn't have the ability to pick up anything but "E", edge speeds on T-Mobile so is it really worth it? Not in my opinion, if I'm going to blget an s3 I want the full functionality of the devices capabilities, just saying though lol
Sent from my SGH-T989 using xda premium
Si you have any idea how to do that?
Sent from my SCH-I535 using xda premium
---------- Post added at 12:58 AM ---------- Previous post was at 12:56 AM ----------
Metro now had sim cards running off of t-mobiles towers so I don't think it has to be flashed anymore but unlocked
Sent from my SCH-I535 using xda premium
robcop19 said:
Si you have any idea how to do that?
Sent from my SCH-I535 using xda premium
---------- Post added at 12:58 AM ---------- Previous post was at 12:56 AM ----------
Metro now had sim cards running off of t-mobiles towers so I don't think it has to be flashed anymore but unlocked
Sent from my SCH-I535 using xda premium
Click to expand...
Click to collapse
Well I actually already flashed mine to metro but then for anyone else that would mean you have to figure how to unlock the verizon s3 and move it to the Gsm for metro. And what I want to see is if it'll pick up 4G
Sent from my SCH-I535 using xda premium
robcop19 said:
Well I actually already flashed mine to metro but then for anyone else that would mean you have to figure how to unlock the verizon s3 and move it to the Gsm for metro. And what I want to see is if it'll pick up 4G
Sent from my SCH-I535 using xda premium
Click to expand...
Click to collapse
I can say with some certainty that u will not see 4g using a Verizon variant s3 on T-Mobile network, yes its a world phone and yes u can get it to "work" on T-Mobile but it doesn't have the right kind of internal for gsm 4g network speeds, the most u will see out of it is E or edge, 2g speeds, at least until the towers get updated
Sent from my SGH-T989 using xda premium
3G
soupysoup said:
I can say with some certainty that u will not see 4g using a Verizon variant s3 on T-Mobile network, yes its a world phone and yes u can get it to "work" on T-Mobile but it doesn't have the right kind of internal for gsm 4g network speeds, the most u will see out of it is E or edge, 2g speeds, at least until the towers get updated
Sent from my SGH-T989 using xda premium
Click to expand...
Click to collapse
I dont know why im complaining except for the 4G status but i get full 3G and i have no buffering at all on youtube and its so quick. but you think if the towers get some kind of update then maybe 4g might work one day? because i understand if i dont get t-mobiles 4g but what about metro pcs 4g lte
robcop19 said:
I dont know why im complaining except for the 4G status but i get full 3G and i have no buffering at all on youtube and its so quick. but you think if the towers get some kind of update then maybe 4g might work one day? because i understand if i dont get t-mobiles 4g but what about metro pcs 4g lte
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I can't say for certainty but as of right now any unlocked world phone from a CDMA based network will only pick up 2g or edge network speeds, it may say 3g or even 4g but believe me unless ur in an area where towers have been remapped u will not see anything above 2g ,maybe base 3g ,only because the radio isn't designed to pick up the gsm frequency, now in the near future cdma will be phased out so u may be able to get 4g in the future but not as of now
Sent from my SGH-T989 using xda premium

[Q] i747 question in regards to switching carriers

Hi all,
Just had a quick question, as I am thinking about swapping carriers from AT&T (horrible customer service and technical support). I currently have the AT&T i747, but I am thinking about switching from AT&T to T-Mobile as they are now providing Unlimited Everything for $70 per month. My question is, if I unlock my i747 for T-Mobile, which section in XDA would I go for custom ROMS, Kernels, tools and utilities and such? Would I stay here since the hardware is AT&T or would I need to migrate to the T-Mobile forums? Thanks in advance for your assistance.
In order to enable high speed data on you i747, you'll need to enable AWS frequencies on your s3 and unlock it. You could continue to use d2att ROMs if the model # on your phone does not get changed by using the T-Mobile mod.
You can use either sections, but you need to stick with i747 modems and firmwares.. And if you want to take advantage of T-Mobile's WiFi calling then you need a T-Mobile ROM.. You may or may not have to do the AWS mod. if you live in a refarmed T-Mobile area, then you'll get 4g and 4g lte fine, if not, then you may only get lte with edge being a fall back if you don't do the mod.. I used an i747 with T-Mobile and luckily my area is refarmed so I had 4g and 4g lte with no mods needed
Sent from my SGH-M919 using Tapatalk
OK, so I switched to T-Mobile today and my Mobile data and WiFi are picking up only one bar. Do I need to flash or change a modem setting or something?
Sent from my SAMSUNG-SGH-I747 using XDA Premium 4 mobile app
jon_yarbrough said:
OK, so I switched to T-Mobile today and my Mobile data and WiFi are picking up only one bar. Do I need to flash or change a modem setting or something?
Sent from my SAMSUNG-SGH-I747 using XDA Premium 4 mobile app
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The modem should not affect the wi-fi performance but it will affect data performance.
This thread may help: http://forum.xda-developers.com/showthread.php?t=1771021
jon_yarbrough said:
OK, so I switched to T-Mobile today and my Mobile data and WiFi are picking up only one bar. Do I need to flash or change a modem setting or something?
Sent from my SAMSUNG-SGH-I747 using XDA Premium 4 mobile app
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Alot of people overlook the fact that T-Mobile uses which frequencies? Ones that are higher 1700+ mhz and someone like at&t uses 850+ the lower frequencies travel farther and penetrate walls and buildings. In my area if you get T-Mobile it os because you dont want to talk on the phone ever again...
Good luck
Sent from my SAMSUNG-SGH-I727 using xda app-developers app

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