VoLTE - Samsung Galaxy M31 Questions & Answers

hi, I am using Airtel sim in india, I cant get VoLTe to work on this phone. Any clues.
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Need Help!*UERGENT*

okay so I'm getting the droid 3 in a few days and I have my 4glte sim card from my pantech breakout, it has my number on it and my question is can I use it on the droid 3 ?? please people help me!
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No, you can't. 3g doesn't require a sim card on Verizon. You have to activate it online or over the phone or at a Verizon store and your plan will get converted to 3g.
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linuxgator said:
No, you can't. 3g doesn't require a sim card on Verizon. You have to activate it online or over the phone or at a Verizon store and your plan will get converted to 3g.
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Incorrect. Flash the 883 radio.
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linuxgator said:
No, you can't. 3g doesn't require a sim card on Verizon. You have to activate it online or over the phone or at a Verizon store and your plan will get converted to 3g.
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I have 3G with SIM
so I can't put my sim card in it? I need it to work what about sim lock? how do I do that?
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He has a 4G LTE sim, which will do nothing in a 3g only phone. The 883 flash works with a gsm sim only.
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I'm not using it for the 4glte just for my number..will it work?
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I thought the 4g and 3g sims weren't the same size
kern417 said:
I thought the 4g and 3g sims weren't the same size
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They are the same size physically, but they don't work the same. The 4g SIM that verizon uses only carries information about how to connect to the LTE network, it doesn't do anything about connecting to the CDMA network. A 3g SIM carries information about how to connect to a GSM network, also not a CDMA network. In order to connect to a CDMA network, the phone needs to be manually activated with the carrier, and that requires them entering the ESN or MEID into the system.

Unlocked HTC one sprint, 4G issues

Hello, a few weeks ago I unlocked my HTC one that was locked on sprint, I am from Romania and I am using Vodafone as my network provider. The phone works perfectly except the 4G mobile network. Vodafone provides me the 4G but on my phone works only as Gsm connection. Please help me. Thank you
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AT&T Note 3 to T Mobile

Okay so I have an AT&T Note 3. And Im tired of dealing with AT&T haha. Too pricey. Is there any way I can use mine on T Mobiles network? Fixing to order a sim card from them. Will it work?
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You have to obtain a SIM unlock code. You can either call at&t if your the original owner and get one for free. I go overseas a lot so they gave it to me. Or you can obtain one for a price online.
If the phone is or gets blacklisted, it won't work on at&t or tmobile anymore.
It will work. I did it.
However, the service is not as good as a full blown T-Mobile phone and there will be no wifi calling. I am debatig on selling this and buying the T-Mobile brand phone...
If you do not care about wifi calling you can install the T-Mobile Rom on the ATT Note 3. I did and the phone service was much better.
http://forum.xda-developers.com/showthread.php?t=2625946
MC FLMJ1G said:
It will work. I did it.
However, the service is not as good as a full blown T-Mobile phone and there will be no wifi calling. I am debatig on selling this and buying the T-Mobile brand phone...
If you do not care about wifi calling you can install the T-Mobile Rom on the ATT Note 3. I did and the phone service was much better.
http://forum.xda-developers.com/showthread.php?t=2625946
Click to expand...
Click to collapse
Is ur phone working fine with T-mo ROM?
I'm using att on t-mo but didn't know u can flash that rom to it. Can u please tell me how u flashed?
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Hmm okay ill try both. But if I decide on getting the t mobile note 3, where can I sell my att note 3?
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willxander3 said:
Is ur phone working fine with T-mo ROM?
I'm using att on t-mo but didn't know u can flash that rom to it. Can u please tell me how u flashed?
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Click to expand...
Click to collapse
http://forum.xda-developers.com/show....php?t=2625946
It is fairly straightforward. Was easy to install.
Once I installed the TMO os on the phone it WORKED BETTER. Again, I cannot wifi call but adding the tmo carrier option via the Modificatinator helped a lot and it FIXED THE GPS issue. It's obvious the GPS issue is ATT related. Was not easy adding the additional TMO carrier options on the Modificatinator but once figured it was cake.
Yep and then some
It will most certainly work on T-Mobile if you ended your contract/relationship with ATT legally/appropriately. Visit - http://forum.xda-developers.com/showthread.php?t=2485441 for some really important information while switching. There are changes to build.prop that can improve 4G speed , reception , etc.
Okay so I unlocked my phone. Im using t mobile now. But 4G doesnt work. Any way I can get it to work?
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Do u have the right APN setting?
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It says its on epc.tmobile.com. how do I set the right APN?
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i got an att note 3 on tmobile, lte works fine
Hmm. Maybe I need to call them or something. I have the pre paid 50.00 a month plan.
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I have same plan. I get 4gLTE. Change it to fast.t-mobile.com
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When I changed the APN to fast.tmobile.com it just went to G. Not 4G
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Do u have 4glte in ur área?
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---------- Post added at 12:21 AM ---------- Previous post was at 12:20 AM ----------
Put the - in t-mobile
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I dont have lte but I have 4G. When I was on ATT I had 4G. And okay ill try that
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Okay now its says its on E
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sometimes its the sim card, i unlocked my freinds note 2 and tried hours getting 4g LTE on it, and then i popped in MY sim card, and the 4g lte worked. so she went out and got a new sim card and now she has 4g LTE.
Dang that sucks haha.
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Just got a new sim. Still only runs Edge /:
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LTE bands

Does the g900m have full support for T-Mobile US?
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Poor 4G LTE signal vs Moto X2

Hi,
My office, same spot, two mobiles different signal:
Huawei P9: 2g low signal
Moto X2: 4G LTE medium signal
The design and infrastructure if the Moto is just better?
Should I try something on the P9?
Thanks
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UP!
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UP!
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Had you the same sim cards?
Yes, same SIM cards
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Have you solve this? Also happen to me

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