Develop Bugs

[Q] AT&T Note 2 on T-Mobile?

So based on the Wireless Charging issues in the T889, I've just bought an AT&T note 2 on ebay to use on T-Mobile. I plan to unlock it and enable AWS through the hack in this thread:
http://forum.xda-developers.com/showthread.php?t=2068041
My question is, once I've done this should everything work just as well as a T-Mobile Note 2? Is there anything else I need to worry about like an APN? Will all HSPA+ and LTE frequencies then work for both carriers?

Poke_N_PDA said:
So based on the Wireless Charging issues in the T889, I've just bought an AT&T note 2 on ebay to use on T-Mobile. I plan to unlock it and enable AWS through the hack in this thread:
http://forum.xda-developers.com/showthread.php?t=2068041
My question is, once I've done this should everything work just as well as a T-Mobile Note 2? Is there anything else I need to worry about like an APN? Will all HSPA+ and LTE frequencies then work for both carriers?
Click to expand...
Click to collapse
you need Tmobile APN in order to get data. Not sure yet about the HSPA+ or LTE

jay661972 said:
you need Tmobile APN in order to get data. Not sure yet about the HSPA+ or LTE
Click to expand...
Click to collapse
Since they are so big on the Bring your own device right now I would think that would just be handled in the background.
I've got a galaxy nexus right now and I get pretty decent speeds. I never did anything besides popping in the t-Mobile sim.
I was worried about a PRL, but it looks like that is a CDMA thing only. Also, I'm curious if I can get HD Voice working.

Poke_N_PDA said:
So based on the Wireless Charging issues in the T889, I've just bought an AT&T note 2 on ebay to use on T-Mobile. I plan to unlock it and enable AWS through the hack in this thread:
http://forum.xda-developers.com/showthread.php?t=2068041
My question is, once I've done this should everything work just as well as a T-Mobile Note 2? Is there anything else I need to worry about like an APN? Will all HSPA+ and LTE frequencies then work for both carriers?
Click to expand...
Click to collapse
I did exactly what you plan to do. My AT&T Note 2 works perfectly on T-Mobile. The APN is set automatically as soon as you slip in a T-Mobile simm card. I get speeds around 12 to 16 MB per second which seems to be about typicla for T-Mobile. LTE hasn't been rolled out yet so I don't know if I'll get that but I believe I will based on what I've heard.
What's this about wireless charging though? I thought only the international version could do that.

rogerbacon50 said:
I did exactly what you plan to do. My AT&T Note 2 works perfectly on T-Mobile. The APN is set automatically as soon as you slip in a T-Mobile simm card. I get speeds around 12 to 16 MB per second which seems to be about typicla for T-Mobile. LTE hasn't been rolled out yet so I don't know if I'll get that but I believe I will based on what I've heard.
What's this about wireless charging though? I thought only the international version could do that.
Click to expand...
Click to collapse
from what I've read, it's confirmed working on AT&T and Sprint Note 2s as well. T-Mobile works with a hardware hack that isn't desirable. Don't know about Verizon.

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[Q] Using E980 with Mobilicity or Wind in Canada

I have recently purchased an LG Optimus G pro, LG E-980 - the ATT phone.
I am trying to set it up to use with my carrier Mobilicity here in Vancouver BC.
Mobilicity is on the AWS Band 4 frequency, just like WInd Mobile here in Canada and T-Mobile in the US.
The phone has been unlocked and rooted but when I try to select my carrier from the list under Network Carriers,
it does not appear.
The specs on this phone do indicate that it should work with this frequency but I cannot seem to get it to work.
I have added the appropriate APN settings for data and MMS but I cannot even get voice let alone data.
I have set the network mode to WCDMA Only but still no luck.
I have discovered the hidden menu but do not know what if any changes to make.
Any help or suggestions is greatly appreciated.
From my understanding of reading the specs is that this phone can support AWS (1700/2100).
Any thoughts?
Thank you

It should at least get EDGE to make voice calls. Where did you read that the E980 has AWS bands? It doesn't. It may work with LTE but not WCDMA. If it's not making voice calls, check swappa's ESN checker and see if the IMEI has been blocklisted.

it does support aws - for lte.
i read it in the specs and there are other users on this forum that are using it on tmobile lte
imei is fine and it doesn't do 2g voice only because this carrier only supports 3g aws for data - no edge
i am interested if the method mentioned on this forum titled "Enable AWS band (3g/4g Tmobile) on ATT Note 2 stock baseband" would work
that method has also been used for the same purpose on the samsung s4
I believe the s4 uses the same snapdragon 600 soc so i would like to know if this could be ported over to work with the g pro

not sure but newer player like mobilicity/wind do not have the 2g frequency....it use the 1700/2100 frequency... it should work since the ogp have the 1700 and the 2100 frequency...the same is for those who are on the T-Mobile in u.s.a....

yes i believe i said that mobilicity/wind do not support edge.
it does support 1700/2100 for lte - that is confirmed.
trying to find out if phone can be modded to support wcdma 1700/2100
if it should then great - does anyone know how to proceed.
thanks

Tried to contact OP but haven't heard back for over a week now and just wondering if this can indeed work with Wind/Mobi network? Anyone have this workign? It "seems" like it should work...
markfp said:
yes i believe i said that mobilicity/wind do not support edge.
it does support 1700/2100 for lte - that is confirmed.
trying to find out if phone can be modded to support wcdma 1700/2100
if it should then great - does anyone know how to proceed.
thanks
Click to expand...
Click to collapse

Dentsu said:
Tried to contact OP but haven't heard back for over a week now and just wondering if this can indeed work with Wind/Mobi network? Anyone have this workign? It "seems" like it should work...
Click to expand...
Click to collapse
I never did manage to get this working. I kept searching online but no info was available.
I believe it can be done, but I don't know how.
This link also confirms this but gives no further data.
http://awslookup.com/modem-flashable-phones/
*** see "Optimus G Pro (E980)" ***
Good luck and please let me know if you have success.
Cheers

I was hoping to buy this phone to use on Wind's network and save myself a few hundred instead of buying the LG's G2 (end up buying that). I tried contacting Wind and they said it needs to have both the 1700/2100 band but it seems to need something else on top of that. GL and hope you figure it out.
markfp said:
I never did manage to get this working. I kept searching online but no info was available.
I believe it can be done, but I don't know how.
This link also confirms this but gives no further data.
http://awslookup.com/modem-flashable-phones/
*** see "Optimus G Pro (E980)" ***
Good luck and please let me know if you have success.
Cheers
Click to expand...
Click to collapse

[Q] Cel-Fi Signal Booster + Verizon S4 + TMobile Sim Card = HELP

Hey Guys,
Not sure where to ask at this point, but I know that there is a Verizon forum for the S4, but this is more T-Mobile inclined question.
My mom was given an S4 at her job from Verizon but I convinced her to give it to me since I wanted it and I gave her my Tmobile Note 2.
I put my sim card into the Verizon S4 and configured the APN setting so now im getting faster data speeds with the Verizon S4 than I was with my Tmobile Note 2. So everything works but the phone is in Global mode, which I dont really care at this point.
My question is though, how can I get the Verizon S4 to connect to the Tmobile signal cel-fi booster that I have. I have no service at my job so therefore I obtained one of the boosters offered by Tmobile, works great with my Note 2, but the S4 does not recognize the cel-fi booster.
Please advise...

I guessing the cell fi thing is for tmobile phone only. I'm sure tmobile don't want just anyone to use their products.
It's probably a firmware deal and not the SIM that recognized the cell fi.
☞ Sent from here☜???

Yes, I definitely understand that, but I am using a TMobile sim card, logged into Tmobile towers, using Tmobile 4G LTE network, but the hardware/firmware is Verizon, so that is why I am asking if it is doable to get this working? Perhaps if flashing a rom or something?

elite-fusion said:
Yes, I definitely understand that, but I am using a TMobile sim card, logged into Tmobile towers, using Tmobile 4G LTE network, but the hardware/firmware is Verizon, so that is why I am asking if it is doable to get this working? Perhaps if flashing a rom or something?
Click to expand...
Click to collapse
Could it be a hardware issue? Tmobile special band which does noy jave in the verizon phone?
Sent from my SGH-M919 using xda premium

I don tknow, thats why im asking you guys lol

elite-fusion said:
I don tknow, thats why im asking you guys lol
Click to expand...
Click to collapse
Your best bet is to call T Mobile tech support and ask them. You've got a really obsscure question that probably has to deal with the frequencies the 2 devices communicate on that no one here has probably ever dealt with. T Mobile is going to be the quickest way to get this answer.

The T-Mobile cel-fi operates at the 1700MHz aws frequencies. According to this thread they are not enabled by default on the Verizon galaxy s4. So that's why it's not picking up the signal from the cel-fi.
Sent from my SGH-M919 using Tapatalk

Cel-Fi RS1 vs RS2
elesbb said:
The T-Mobile cel-fi operates at the 1700MHz aws frequencies. According to this thread they are not enabled by default on the Verizon galaxy s4. So that's why it's not picking up the signal from the cel-fi.
Sent from my SGH-M919 using Tapatalk
Click to expand...
Click to collapse
Guys,
I work for Cel-Fi - it looks like you are correct.
The RS2 Cel-Fi (the latest one) will boost 2 bands: 1.9GHz (aka PCS, Band 2) + AWS
BUT the older RS1 (we dont sell it anymore) will only boost AWS and not Band 2...
Check here for details on the Bands 2 and 4, and here for definitions of the bands...
It looks like the S4 gets 1900 band 2 (specs S4 for T-Mobile UMTS: Band I (2100);UMTS/HSPA+: AWS Band IV / 2100 / 1900 / 850;Band II (1900);Quad Band GSM;LTE)
Let us know which Cel-Fi you have...
Regards,
Laurent

laurent.gil said:
Guys,
I work for Cel-Fi - it looks like you are correct.
The RS2 Cel-Fi (the latest one) will boost 2 bands: 1.9GHz (aka PCS, Band 2) + AWS
BUT the older RS1 (we dont sell it anymore) will only boost AWS and not Band 2...
Check here for details on the Bands 2 and 4, and here for definitions of the bands...
It looks like the S4 gets 1900 band 2 (specs S4 for T-Mobile UMTS: Band I (2100);UMTS/HSPA+: AWS Band IV / 2100 / 1900 / 850;Band II (1900);Quad Band GSM;LTE)
Let us know which Cel-Fi you have...
Regards,
Laurent
Click to expand...
Click to collapse
I have the RS1 (older one) got it for 90 bucks on ebay
Works great!
And since you work for Cel-Fi, does the RS2 model boost the LTE signal for T-Mobile or not? From what i am reading, it does not.

Sorry for my ignorance but how is the Verizon Galaxy S4 able to connect to T Mobile let alone LTE? Is Verizon S4 a pentaband phone? I think my knowledge is outdated but I was under the impression that Verizon uses CDMA

utsc said:
Sorry for my ignorance but how is the Verizon Galaxy S4 able to connect to T Mobile let alone LTE? Is Verizon S4 a pentaband phone? I think my knowledge is outdated but I was under the impression that Verizon uses CDMA
Click to expand...
Click to collapse
They do, it switches to global mode (GSM) when you insert a non-verizon sim.. Most CDMA smartphones have this capability nowadays, which they did not before.. Verizon is the only carrier I know that does not lock the gsm radio on their phones, I think Sprint's phones are sim locked
Sent from my SGH-M919 using Tapatalk

I'll sell the new cell-fi
Sent from my SGH-M919 using xda app-developers app

[Q] Moving S4 from Verizon to iwireless/t-mobile

Hi,
I am thinking about moving my Galaxy S4 and moto RAZR from Verizon wireless to iwireless (a t-mobile affiliate). I understand that I need to unlock my phone but I am unable to find out if I move it to iwireless if I will still have 4G data. The iwireless sales rep said that I will still have voice and 2.5G service but couldn't tell me if I would still have 4G.
I was looking at this table I found on a site explaining how to unlock the phone but I don't know enough about the subject to make an informed decision.
Samsung Galaxy S4
Can someone confirm whether or not my Verizon S4 or RAZR can be unlocked to work with the iwireless/t-mobile 4G network?

sgibbers17 said:
Hi,
I am thinking about moving my Galaxy S4 and moto RAZR from Verizon wireless to iwireless (a t-mobile affiliate). I understand that I need to unlock my phone but I am unable to find out if I move it to iwireless if I will still have 4G data. The iwireless sales rep said that I will still have voice and 2.5G service but couldn't tell me if I would still have 4G.
I was looking at this table I found on a site explaining how to unlock the phone but I don't know enough about the subject to make an informed decision.
Samsung Galaxy S4
Can someone confirm whether or not my Verizon S4 or RAZR can be unlocked to work with the iwireless/t-mobile 4G network?
Click to expand...
Click to collapse
It seems as though your grasp of the subject is strong enough to know that it might work as you'd like - and it might not. You need to call back and ask to speak to a CSR that actually knows what bands their service works on so they can give you accurate information. That's kind of their job...
Also -
Verizon LTE operates on Band 13 while T-Mob operates on Band 17, both of which carry completely different spectrums; this means no LTE on either of your unlocked phones.There's a slim possibility that you will get intermittent 3G but the most likely scenario is that you will get talk, text and 2G / 2.5G only.

Band 17? My Verizon branded S4 is getting T-Mobile LTE. I'm fairly sure its on band 4.

T-mobile is band 4 which is 1700/2100 mhz. The Verizon s4 is not capable of 1700mhz. But if you are getting 4G it may be because your area is using 2100 mhz. I am specifically moving to iwireless and I was told they use the 1700 mhz band.
Bsliv, how did you unlock you phone?

sgibbers17 said:
Bsliv, how did you unlock you phone?
Click to expand...
Click to collapse
Many Verizon phones are sim unlocked, so it's most likely unlocked as well

serio22 said:
Many Verizon phones are sim unlocked, so it's most likely unlocked as well
Click to expand...
Click to collapse
Yes, I think all Verizon LTE capable phones are unlocked.
The I545 (Verizon S4) can receive LTE on band 4. T-Mobile serves LTE on band 4. The coincidence works well.

bsliv said:
Yes, I think all Verizon LTE capable phones are unlocked.
The I545 (Verizon S4) supports LTE on band 4. T-Mobile serves LTE on band 4. The coincidence works well.
Click to expand...
Click to collapse
My RAZR MAXX HD definitely wasn't SIM unlocked... For the life of me I couldn't get it to work when I moved to ATT from Verizon... Not even GSM would work.

I just need to get some clarification from you guys. Are your VZW phones bought in the US and being in the US on t-mobile's or iwireless's 4g network. Because after I made the first post I went to the phone unlocking place in my local mall and talked to there techs, they said that the VZW S4 will not get 4g. I have also been doing extensive searches online and keep finding half saying it will work and half saying it won't. I have a feeling that the ones that work are working outside of the US as I found posts saying as such.
I read some where that the razr you had to flash the radio FW to get GSM to work properly.
Sent from my iPad using Tapatalk

I got my vzw S4 off craigslist but 99% sure it was purchased in the USA. I'm on T-Mobile's $50/mo plan.
Verizon's LTE phones are sim unlocked due to an agreement with the FCC when vzw purchased some bandwidth.
I think there was an update around 03/2014 that enabled band 4 on the I545. Then had to make some apn changes and tell the modem to use gsm/lte on band 4.
The one quirk I have is it will say "no service" after a reboot and until I make or receive a voice call. Then I get the "T-Mobile" instead of "no service" and things work as they should.

bsliv said:
I got my vzw S4 off craigslist but 99% sure it was purchased in the USA. I'm on T-Mobile's $50/mo plan.
Verizon's LTE phones are sim unlocked due to an agreement with the FCC when vzw purchased some bandwidth.
I think there was an update around 03/2014 that enabled band 4 on the I545. Then had to make some apn changes and tell the modem to use gsm/lte on band 4.
The one quirk I have is it will say "no service" after a reboot and until I make or receive a voice call. Then I get the "T-Mobile" instead of "no service" and things work as they should.
Click to expand...
Click to collapse
I'll have to go to iwireless and have one of the tech put a SIM card in my s4 and razr to give it a try.
The only options I have for the network mode on my s4 is
Global, LTE/CDMA, and GSM/UMTS. Can you post you settings?
Sent from my iPad using Tapatalk

I was just at iwireless today and tested my phone with their network and was unable to get it to work. iwireless is a t-mobile affiliate but they do not use 4G LTE in my area. Their system runs on a 3.8G 1700MHz which the VZW S4 does not have. I am told that they will be starting to switch all the 2G radios in the area to 4G LTE later this year, which should work with my VZW S4. So I am just going to have to wait till the end of the year and go back and test it again.

Frankenscript said:
My RAZR MAXX HD definitely wasn't SIM unlocked... For the life of me I couldn't get it to work when I moved to ATT from Verizon... Not even GSM would work.
Click to expand...
Click to collapse
That phone was before VZW bought the band 4 spectrum and cut the deal with the FCC. All VZW LTE phones are SIM unlocked. Any AWS capable VZW phone is SIM unlocked and can use LTE on band 4. The S4 got it with an update last year.
I am probably going to do the $30 plan soon and plan to use my VZW S4. I am not going to port my number right away in case the service in my area sucks (doubtful, live in DFW in dense surburbia).

I went out off town this weekend and went to a t-mobile store and was able to get 4g service after adding the correct APN. But it is too bad that iwireless that is in my area does not use that band yet, they are staring to upgrade to that band later this year. Until then my s4 will only get edge service.
Sent from my iPad using Tapatalk

I was able to get H+ on my s4 from Verizon to tmobile by changing the network mode to global and the App to fast.T-mobile.com
Sent from my SM-G900T using XDA Free mobile app

With the announcement of the T Mobile $100 2 line unlimited everything, I'm also interested in bringing my Verizon S4 MDK boot loader phone to T Mobile, but want to do my research first-- is it as simple as signing up for T Mobile and getting one of their SIMs and then-- would I be able to flash any of the ROMs in the S4 T Mobile Dev forum or is the T Mobile S4 a completely different device? Any caveats? Would I have to LokiDoki after the flash? Would I need to flash a T Mobile specific radio too (currently on i545vrufnk1)? Or is that all just overcomplicating things? Would i be able to just adjust the APNs on my current ROM after inserting a T Mobile SIM?
Sent from my SCH-I545 using Tapatalk

Quick reply to my post and for anyone else interested-- there's a post here that talks about using a 4.4.2 T-Mobile ROM by Fenny on the a Verizon S4: http://forum.xda-developers.com/showthread.php?p=57453019 I've tried it and LTE works great, MMS works properly, phone calls work as well. I'm on the Verizon i545vruamdk bootloader and Verizon i545vrufnk1 radio. The ROM is a T-Mobile m919uvufnb4 by Fenny.
Sent from my SGH-M919 using Tapatalk

[Q] Question: Galaxy S Tab 10.5 Wifi LTE USA/International

Here may be another stupid question, But Not even Samsung them selfs on the USA Department couldnt answer this, So let me explain a few things before I ask, so that you may understand what I may be talking about..
I have 2 Samsung galaxy S Tab's 10.5
One is 32gb Wifi Bought from Best Buy (T800)
The other is 16gb Wifi LTE International (T805) Unlocked.
From what I understand the International version will not support 4G on T-Mobile or most any carrier in USA do to the supported Signal.
What I want to know is, Whats the diffrents between the International and the Local USA version when it comes to the LTE. I cant find anything that tells me what I want to know.
From what I can see, is the signals ranges are the same as the USA version. but maybe I am reading it wrong,
When I check out the hardware with diffrent apps that support that. it pretty much shows the two being the same except for a few things that dont seem to matter.
So to make a long story short,, I just want to know what the diffrents is between the LTE Local USA and the LTE International version.

Eliminater74 said:
Here may be another stupid question, But Not even Samsung them selfs on the USA Department couldnt answer this, So let me explain a few things before I ask, so that you may understand what I may be talking about..
I have 2 Samsung galaxy S Tab's 10.5
One is 32gb Wifi Bought from Best Buy (T800)
The other is 16gb Wifi LTE International (T805) Unlocked.
From what I understand the International version will not support 4G on T-Mobile or most any carrier in USA do to the supported Signal.
What I want to know is, Whats the diffrents between the International and the Local USA version when it comes to the LTE. I cant find anything that tells me what I want to know.
From what I can see, is the signals ranges are the same as the USA version. but maybe I am reading it wrong,
When I check out the hardware with diffrent apps that support that. it pretty much shows the two being the same except for a few things that dont seem to matter.
So to make a long story short,, I just want to know what the diffrents is between the LTE Local USA and the LTE International version.
Click to expand...
Click to collapse
1. I believe the USA specific versions are voice crippled so you cannot make voice calls.
2. According to here
http://en.wikipedia.org/wiki/T-Mobile_US#Radio_frequency_spectrum_chart
The frequencies supported by T-Mob USA for LTE are....
1700/2100 MHz LTE 4G In Service/Building out Covers 250 million POPs as of October, 2014
700 MHz Block A LTE 4G A-block rollout has begun, and several devices already support this frequency.
1900 MHz PCS LTE 4G In Service/Building out Primarily used for a quick rollout of rural LTE as sites contain a pre-existing GSM antenna
3. According to here
http://en.wikipedia.org/wiki/Samsung_Galaxy_Tab_S_10.5
The frequencies supported by the International 10.5 Tab S are
800/850/900/1800/2100/2600
As you can see the only 'common' frequency is the 2100 Mhz set which 'should' cover the bulk of Urban USA however there may be specific signalling that T-Mob require to allow devices to access that frequency.
Hope this helps

If you have LTE version you be able to call through google hangouts dialer. I do it on n7 LTE. And the app.
Sent from my Nexus 7 using XDA Free mobile app

pinsb said:
1. I believe the USA specific versions are voice crippled so you cannot make voice calls.
2. According to here
http://en.wikipedia.org/wiki/T-Mobile_US#Radio_frequency_spectrum_chart
The frequencies supported by T-Mob USA for LTE are....
1700/2100 MHz LTE 4G In Service/Building out Covers 250 million POPs as of October, 2014
700 MHz Block A LTE 4G A-block rollout has begun, and several devices already support this frequency.
1900 MHz PCS LTE 4G In Service/Building out Primarily used for a quick rollout of rural LTE as sites contain a pre-existing GSM antenna
3. According to here
http://en.wikipedia.org/wiki/Samsung_Galaxy_Tab_S_10.5
The frequencies supported by the International 10.5 Tab S are
800/850/900/1800/2100/2600
As you can see the only 'common' frequency is the 2100 Mhz set which 'should' cover the bulk of Urban USA however there may be specific signalling that T-Mob require to allow devices to access that frequency.
Hope this helps
Click to expand...
Click to collapse
I want to thank you very much. I really did search around to try and understand. but when it comes to the carrier LTE stuff, I no nothing about it.
Yea T-Mobile told me the only plan they have for tablets are Data and no voice. that really sucks. I dont understand that one. I have an
LG G3 that has T-Mobile. I can use the hotspot on that if needed.. the chances that im going to leave my house with this Tablet are very slim. so I can just stay with the wifi.

Duffmantp said:
If you have LTE version you be able to call through google hangouts dialer. I do it on n7 LTE. And the app.
Sent from my Nexus 7 using XDA Free mobile app
Click to expand...
Click to collapse
Yea I just tried that.. It worked.. prob cheaper then T-Mobles plans