Develop Bugs

4G

So I know that we only get HSPA+ but at&t has 4g lte is it possible for this phone to get that signal by rooting it anyone heard anything about this or is this impossible
Sent from my SAMSUNG-SGH-I927 using XDA App

As far as I know, nope. The Tegra 2 doesn't support it.

If I were to unlock this phone could I get 4g speeds from a diffrent network?
Sent from my SAMSUNG-SGH-I927 using XDA App

Lte is in a limited market right now and will be for awhile
Sent from my SAMSUNG-SGH-I727 using xda premium

jayjayjoker2 said:
So I know that we only get HSPA+ but at&t has 4g lte is it possible for this phone to get that signal by rooting it anyone heard anything about this or is this impossible
Sent from my SAMSUNG-SGH-I927 using XDA App
Click to expand...
Click to collapse
According to GSMArena, the i927 utilizes the following frequencies:
2G Network GSM 850 / 900 / 1800 / 1900
3G Network HSDPA 850 / 1900 / 2100
I'd say that makes it a definite 'no' on the 4g...
HTH
L4T

Is the international GS3/quad core compatible with T-Mobile?

I assume the quad core gs3 is GSM? Will it work with T-Mobile 4G HSPA+? My friend is on T-Mobile and is planning to get the gs3 off contact. He wanted me to find out if T-Mobile 4G will work with the quad core version or should he just buy the T-Mobile version instead.
Sent from my DROID RAZR using xda app-developers app

It will work but you will be stuck on Edge.

I'd check what frequencies it has. I'm using a T-Mobile version on at&t and get 4g data. If the international version has T-Mobile's frequencies then it should work.
Sent from my SGH-T999 using Tapatalk 2

Thank Me Later said:
I assume the quad core gs3 is GSM? Will it work with T-Mobile 4G HSPA+? My friend is on T-Mobile and is planning to get the gs3 off contact. He wanted me to find out if T-Mobile 4G will work with the quad core version or should he just buy the T-Mobile version instead.
Sent from my DROID RAZR using xda app-developers app
Click to expand...
Click to collapse
I doubt you would get the hspa+ 44mb
Sent from my SGH-T999 using xda app-developers app

mustk1ll20 said:
I'd check what frequencies it has. I'm using a T-Mobile version on at&t and get 4g data. If the international version has T-Mobile's frequencies then it should work.
Sent from my SGH-T999 using Tapatalk 2
Click to expand...
Click to collapse
Are you getting 4g lte or hspa? I don't think t-mobile s3 can do lte
Sent from my SGH-T999 using Tapatalk 2

Would this work?
Tmobile uses Band (frequency): 850 MHz;900 MHz;1800 MHz;1900 MHz;UMTS: Band I (2100);UMTS: Band IV (AWS);UMTS: Band V (850)
Device Additional Information tab on that site says "Service 900, 1800, 1900, 850, 3g 2100"
But at the top of the page it says "Band:GSM 850/900/1800/1900"

T-Mobile UMTS/HSPA+ (3G/4G) mostly runs off 1700/2100 and the international model i9300 does not support the frequency we use. The quad band GSM/EDGE will work (and therefore voice/text and slow internets).
AT&T uses a more normal 850/1900 for everything but LTE, making them more "Normal" along with our Canadian neighbors.
T-Mobile is weird :-o.
If you've got access to any make of GSM based + unlocked iPhone, stick your T-Mobile SIM in it and see what speed you can get. An unlocked AT&T phone may work for testing also. We're supposed to be getting better coverage in this kinda frequency range for that but it will likely be a long time before we get sufficient coverage to enjoy a i9300.

Well put. It will be a long time before we see decent coverage for AT&T/UK phones.
Sent from my SGH-T999

What bands will t-Mobile s4 have?

Will the s4 have 2G/4G and LTE or are they not including the 2g bands anymore.
Sent From My GSIII

It'll have all 3
Sent from my SGH-T999 using xda premium

serio22 said:
It'll have all 3
Sent from my SGH-T999 using xda premium
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Click to collapse
Nicee....do u have a source that supports that?
Sent From My GSIII

I saw it on androidcentral.com.. it wouldn't make sense if it didn't include 2g though because there are many areas that have poor to no 3G/H+ coverage, so 2g fallback is a must
Sent from my SGH-T999 using xda premium

You do realize that their 2g (1900 mhz) carries the voice signal.
You think T-mobile don't want voice anymore?

whatsitsnamenow said:
You do realize that their 2g (1900 mhz) carries the voice signal.
You don't want voice anymore?
Click to expand...
Click to collapse
Both 1900 and 1700 carry voice. 1700 carries it over UMTS and HSPA and soon, LTE as well through VoLTE technology.
Anyway OP, the S4 will support all major bands for voice and data and will support 700 and 1700 LTE at minimum.

EtherealRemnant said:
Both 1900 and 1700 carry voice. 1700 carries it over UMTS and HSPA and soon, LTE as well through VoLTE technology.
Anyway OP, the S4 will support all major bands for voice and data and will support 700 and 1700 LTE at minimum.
Click to expand...
Click to collapse
I'm not saying that other frequencies can't carry voice. I'm saying 1900 is T-Mobile's voice band. If you take away the 2g 1900 then all people in rural areas won't be able to make a phone call.
Sent from my SGH-T889 using Tapatalk 2

T-Mobile Bands
I am running DX2 with stock kernel Band UVDLJC on T-mobile .. Has anyone played around with Bands on the Service Mode by typing *#2263# ??
Oh and dont play around with this and point fingers if you screw it up ..
I am just asking if anyone has info or knows in this.

Qverse said:
I am running DX2 with stock kernel Band UVDLJC on T-mobile .. Has anyone played around with Bands on the Service Mode by typing *#2263# ??
Oh and dont play around with this and point fingers if you screw it up ..
I am just asking if anyone has info or knows in this.
Click to expand...
Click to collapse
Yup I've done it
Sent from my SGH-T999 using xda premium

serio22 said:
Yup I've done it
Sent from my SGH-T999 using xda premium
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Click to collapse
And ?
What did it do? was there improvements ? what did you do ? any changes ?

Qverse said:
And ?
What did it do? was there improvements ? what did you do ? any changes ?
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Click to collapse
Well if you change it it'll have to be a setting the carrier supports, in my case I changed the umts frequency to 1900 just to test and it worked fine.. it was similar to 1700 except there's more coverage on 1700, for example I didn't get service at home but in other places I did so I just went back to 1700
Sent from my SGH-T999 using xda premium

serio22 said:
Well if you change it it'll have to be a setting the carrier supports, in my case I changed the umts frequency to 1900 just to test and it worked fine.. it was similar to 1700 except there's more coverage on 1700, for example I didn't get service at home but in other places I did so I just went back to 1700
Sent from my SGH-T999 using xda premium
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Click to collapse
Ok that helped .. I was very CURIOUS about ServiceMode>LTE preference>LTE ALL ??

Qverse said:
Ok that helped .. I was very CURIOUS about ServiceMode>LTE preference>LTE ALL ??
Click to expand...
Click to collapse
It does nothing
Sent from my SGH-T999 using xda premium

T-mobile S4 on AT&T network not getting LTE

I have an unlocked Galaxy S4 T-Mobile version but when I put AT&T SIM it doesn't get LTE. I thought the T-Mobile version had compatible LTE with AT&T. I have entered the right APN for AT&T though, anyone can help?

Have you tried to install the AT&T modem?
-Sent from my TMO Samsung Galaxy S4 using Tapatalk 2

Did you select the correct band? LTE? I had to switch it to get att LTE
Sent from my SGH-M919 using Tapatalk 2

hexproject said:
Did you select the correct band? LTE? I had to switch it to get att LTE
Sent from my SGH-M919 using Tapatalk 2
Click to expand...
Click to collapse
You changed in the settings? or you flashed a new modem?

Please read forum rules before posting
Questions and help issues go in Q&A
Thread moved
Thank you for your cooperation
Friendly Neighborhood Moderator

Make sure your account has the 4g lte package. When you login to your att account should say like.
Data pro 4g lte.
If it says data pro 4g. Its not going to give you lte.
You need to have the imei of an att lte phone on your account then it will work.

I am sure that my data plan has LTE, I took it out my iPhone5 and I got LTE on my iPhone5. I have enabled the LTE and put the right APN. Still no data connection, I have not flashed it to a different modem. So what's wrong?

How to select the right LTE band? I have only select the "Network mode" to LTE/GSM/WCDMA(auto connect). and APN is that all?

...

RanceedaW said:
Not to bash or anything, but I don't see why people try to use a phone for one carrier on another. Why not just sell (or trade?) your unlocked T-Mobile S4, for an AT&T S4?
You can still get retail price for the phone if it's in great condition. Then you wouldn't have this issue.
To me, I don't think whether it supports the same bands matter. Use T-Mobile on T-Mobile, AT&T on AT&T, Sprint on Sprint, so on and so forth.
Just my two cents.
Sent from my SGH-M919 using xda premium
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Click to collapse
+1
I dont think its same hardware too.
Sent from my SGH-M919 using xda premium

RanceedaW said:
Not to bash or anything, but I don't see why people try to use a phone for one carrier on another. Why not just sell (or trade?) your unlocked T-Mobile S4, for an AT&T S4?
You can still get retail price for the phone if it's in great condition. Then you wouldn't have this issue.
To me, I don't think whether it supports the same bands matter. Use T-Mobile on T-Mobile, AT&T on AT&T, Sprint on Sprint, so on and so forth.
Just my two cents.
Sent from my SGH-M919 using xda premium
Click to expand...
Click to collapse
Whether or not he gets LTE on his phone is 100 percent dependant on the bands the phone supports.
Sent from my SGH-M919 using xda premium

Finally I got everything work on my M919, It is because AT&T has to change the data plan to LTE Android plan, I was on LTE iPhone plan.
Sent from my SGH-M919 using xda app-developers app

RanceedaW said:
Not to bash or anything, but I don't see why people try to use a phone for one carrier on another. Why not just sell (or trade?) your unlocked T-Mobile S4, for an AT&T S4?
You can still get retail price for the phone if it's in great condition. Then you wouldn't have this issue.
To me, I don't think whether it supports the same bands matter. Use T-Mobile on T-Mobile, AT&T on AT&T, Sprint on Sprint, so on and so forth.
Just my two cents.
Sent from my SGH-M919 using xda premium
Click to expand...
Click to collapse
its my understanding that the T-Mobile version is boot loader unlocked so they aren't all the same. I'm looking to do the same thing as the OP here soon once I research what if any implications there really are at the end of the day.

Screwbal said:
its my understanding that the T-Mobile version is boot loader unlocked so they aren't all the same. I'm looking to do the same thing as the OP here soon once I research what if any implications there really are at the end of the day.
Click to expand...
Click to collapse
Yeah, for LTE bands, AT&T version has less bands due to their spectrum restriction: 700 MHz (Band 17), AWS, IMT, IMT-E, while the T-Mobile version have all bands: 700 MHz (Band 17), CLR, AWS, PCS, IMT, IMT-E

tikoracer said:
Yeah, for LTE bands, AT&T version has less bands due to their spectrum restriction: 700 MHz (Band 17), AWS, IMT, IMT-E, while the T-Mobile version have all bands: 700 MHz (Band 17), CLR, AWS, PCS, IMT, IMT-E
Click to expand...
Click to collapse
Sounds like you already know more than me be reading that line I take it that the tmobile version on AT&T gives you full support across all of atts network but if you used the att version on tmobile you miss out.

Screwbal said:
Sounds like you already know more than me be reading that line I take it that the tmobile version on AT&T gives you full support across all of atts network but if you used the att version on t mobile you miss out.
Click to expand...
Click to collapse
Incorrect-all AT&T LTE phones support Band 4 and Band 17-AT&T is predominately Band 17 and has a small Band 4 footprint. T-Mobile's entire LTE footprint is Band 4. The real issue with a TMO S4 is whether or not you can roam on AT&T LTE network when no native T-Mobile network exists-especially since T-Mobile switched many of their legacy plans with put a serious limit or outright block on data roaming.

wazmo said:
Incorrect-all AT&T LTE phones support Band 4 and Band 17-AT&T is predominately Band 17 and has a small Band 4 footprint. T-Mobile's entire LTE footprint is Band 4. The real issue with a TMO S4 is whether or not you can roam on AT&T LTE network when no native T-Mobile network exists-especially since T-Mobile switched many of their legacy plans with put a serious limit or outright block on data roaming.
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ahh ok. But with the case of getting of carrier unlocked and running a sim from att you're still fine right? Have to figure this out next if say someone gets the T-Mobile one, carrier unlocked can you install the myatt app from the play store or does it get blocked some how saying you aren't on a supported device?

RanceedaW said:
Not to bash or anything, but I don't see why people try to use a phone for one carrier on another. Why not just sell (or trade?) your unlocked T-Mobile S4, for an AT&T S4?
You can still get retail price for the phone if it's in great condition. Then you wouldn't have this issue.
To me, I don't think whether it supports the same bands matter. Use T-Mobile on T-Mobile, AT&T on AT&T, Sprint on Sprint, so on and so forth.
Just my two cents.
Sent from my SGH-M919 using xda premium
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To avoid 2yr contracts, and to get the fastest dl speed.

Hey guys
I read the whole thread and I'm using the $65 data plan which has 1GB on ATT which my questions is which one should I get T-mobile or the international unlocked to get LTE on ATT

lazawrd said:
Hey guys
I read the whole thread and I'm using the $65 data plan which has 1GB on ATT which my questions is which one should I get T-mobile or the international unlocked to get LTE on ATT
Click to expand...
Click to collapse
T-mobile.
Sent from my GT-I9300 using xda app-developers app

[q] Will tmobile m8 work on att network?

I'm looking to trade my iPhone for one and was wondering will it work on the att network are there how tos on how to get it up and going ?

rumdada said:
I'm looking to trade my iPhone for one and was wondering will it work on the att network are there how tos on how to get it up and going ?
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Click to collapse
It will "work", but I'm not sure how well. You will for sure get basic voice and text, as well as 2g data, and I think ATT and T-mobile share one LTE band, so if the LTE where you are is on that band, you should get that as well. However, I think their HSPA+ bands are different as well as their 3g bands, so you might not be able to get those. Someone may correct me though, as I'm new to T-mobile (and GSM) so I may be wrong on the 3g and HSPA+ part.

Yes, it will work. T-Mobile M8 will work on AT&T network for 2G, 3G, 4G, and LTE. T-Mobile M8 and AT&T M8 are the same phone, except the T-Mobile M8 has more bands to support T-Mobile's network.
This is AFAIK, if I am incorrect, someone please correct me.

yyhd said:
Yes, it will work. T-Mobile M8 will work on AT&T network for 2G, 3G, 4G, and LTE. T-Mobile M8 and AT&T M8 are the same phone, except the T-Mobile M8 has more bands to support T-Mobile's network.
This is AFAIK, if I am incorrect, someone please correct me.
Click to expand...
Click to collapse
Has anyone verify this?

After sim unlock yes
Sent from my HTC One_M8 using xda app-developers app

In short: 3G will work, but since AT&T’s 3G network is limited to 21 Mbps, you will only get half of the potential speed. 4G will mostly work, but the T-Mobile version does not have the radio/antenna for AT&T’s 1900 MHz network, meaning you can only get 700 MHz and AWS. 700 MHz 4G should be nationwide, though. See the deals below.
rumdada said:
I'm looking to trade my iPhone for one and was wondering will it work on the att network are there how tos on how to get it up and going ?
Click to expand...
Click to collapse
Just to be clear, you want to take a T-Mobile M8 and use it on AT&T, correct? I’m assuming this is the case since you are in the T-Mobile M8 forum.
yyhd said:
Yes, it will work. T-Mobile M8 will work on AT&T network for 2G, 3G, 4G, and LTE. T-Mobile M8 and AT&T M8 are the same phone, except the T-Mobile M8 has more bands to support T-Mobile's network.
This is AFAIK, if I am incorrect, someone please correct me.
Click to expand...
Click to collapse
You’re close, but the T-Mobile version had fewer LTE bands. Just FYI, 4G is LTE (bad marketing not withstanding). Here are the frequencies of the T-Mobile and AT&T M8s:
2G/2.5G - GSM/GPRS/EDGE:
850/900/1800/1900 MHz
3G - WCDMA:
AT&T: 850/1900/2100 MHz with HSPA+ up to 21 Mbps
TMUS: 850/AWS/1900/2100 MHz with HSPA+ up to 42 Mbps
4G - LTE:
AT&T: 700/850/AWS/1800/1900/2600 MHz
TMUS: 700/AWS MHz
Click to expand...
Click to collapse
Source: M8 spec page
Here is AT&T’s spectrum:
3G:
850/1900 MHz HSPA+ 21 Mbps
4G:
700/AWS/1900 MHz
Click to expand...
Click to collapse
Source: AT&T Mobility - Wikipedia
Note that 4G on AWS and 1900 varies depending on the market, so you need to find out if they offer it on those frequencies in your area. You should get 700 MHz everywhere.
Sent from my 831C using Tapatalk

subhumanderelict said:
In short: 3G will work, but since AT&T’s 3G network is limited to 21 Mbps, you will only get half of the potential speed. 4G will mostly work, but the T-Mobile version does not have the radio/antenna for AT&T’s 1900 MHz network, meaning you can only get 700 MHz and AWS. 700 MHz 4G should be nationwide, though. See the deals below.
Just to be clear, you want to take a T-Mobile M8 and use it on AT&T, correct? I’m assuming this is the case since you are in the T-Mobile M8 forum.
You’re close, but the T-Mobile version had fewer LTE bands. Just FYI, 4G is LTE (bad marketing not withstanding). Here are the frequencies of the T-Mobile and AT&T M8s:
Source: M8 spec page
Here is AT&T’s spectrum:
Source: AT&T Mobility - Wikipedia
Note that 4G on AWS and 1900 varies depending on the market, so you need to find out if they offer it on those frequencies in your area. You should get 700 MHz everywhere.
Sent from my 831C using Tapatalk
Click to expand...
Click to collapse
hi I want to get att m8 and sim unlock it use on tmobile network
I want to know will I get lte?

paullu said:
hi I want to get att m8 and sim unlock it use on tmobile network
I want to know will I get lte?
Click to expand...
Click to collapse
Yes LTE works and it's fast but what doesn't work is I can't send and receive pictures no matter what I try to fix it
Sent from my HTC One_M8 using Tapatalk

Anyone yet know how to fix this without root? I'm not able to send and receive pictures even with the correct apn settings set.
Sent from my HTC One_M8 using Tapatalk

Anyone yet know how to fix this without root? I'm not able to send and receive pictures even with the correct apn settings set.
Sent from my HTC One_M8 using Tapatalk

shaqqq said:
Anyone yet know how to fix this without root? I'm not able to send and receive pictures even with the correct apn settings set.
Sent from my HTC One_M8 using Tapatalk
Click to expand...
Click to collapse
If you're a current T-Mobile customer, I'd call their customer service and ask if they could help. I'm not sure if this helps.
Sent from my HTC One_M8 using Tapatalk

Im wanting to know also. I might switch to att in november, and it would be nice to know for a fact that my tmo m8 will work, instead of buying a new phone.

punkkloser said:
Im wanting to know also. I might switch to att in november, and it would be nice to know for a fact that my tmo m8 will work, instead of buying a new phone.
Click to expand...
Click to collapse
Well it's not working right now but it might when they do a update later on but as of now it doesn't work.
Sent from my HTC One_M8 using Tapatalk

Can't we just flash AT&T radio and stock ROM?
Have a TMO M8 and wondering about the same.
Should I return and bite $50 restocking fee or there is a way to make it fully functional on AT&T? Need to make this call in a day or two. Please help.
Sent from my SAMSUNG-SGH-I717 using XDA Free mobile app

Yes it will
Sent from my HTC One_M8 using XDA Free mobile app

PunishedSnake said:
Yes it will
Sent from my HTC One_M8 using XDA Free mobile app
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Click to collapse
Thanks.
Will it work with AT&T stock rom?
I'm more concerned about radio as there are some differences I'm the bands that they use. Hate to find only 2G in some areas
Sent from my SAMSUNG-SGH-I717 using XDA Free mobile app

indi7 said:
Thanks.
Will it work with AT&T stock rom?
I'm more concerned about radio as there are some differences I'm the bands that they use. Hate to find only 2G in some areas
Sent from my SAMSUNG-SGH-I717 using XDA Free mobile app
Click to expand...
Click to collapse
As far as I know all m8 in the US are identical possible exception the CDMA ones the tmobile one can use the att and international roms
Sent from my HTC One_M8 using XDA Free mobile app

Hi... sorry to drag this back up but looking at purchasing a T-Mobile M8 on Craigslist and using it on AT&T.
If I sim unlock the phone, install say a stock GPe ROM and the WWE radio... it should unlock all the LTE bands for use on AT&T? And the rest of the world, correct?
Just trying to confirm before I buy this.
Thanks guys!
aaron

It should work, I have an unlocked T-Mobile m8, flashed cm11 and still work on att

Works
I have a t-mobile M8 and using ATT sim card. I can send pictures.
Everything is working pretty good. At least in my area. (San Diego)
*Running Viper Rom.