Enable wifi calling on tmobile - Verizon Samsung Galaxy S6

I'm using a Verizon branded s6 and aside from the steady bars I use to have everything seems to function properly I'm curious is it possible to enable wifi calling on this phone? Everything I place a call I drop from 4glte to 3g side note what's this video calling thing I see ? I don't know if it's samsung or Verizon only.

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Using Verizon's S6 on Tmobile's network

Hi all, has anyone here tried or been successful in getting the data or lte over voice calls with Verizon's S6 using Tmobile? I have Tmobile and trying to use my gf's unlocked Verizon Galaxy S6. Almost everything works fine except that while on voice call, the signal drops to 1x and I can not simultaneously use data or receive mms. Are there any fixes for this? Any help would be appreciated as she is planning to switch from Verizon to Tmobile and I would love to just reuse the phone on Tmobile.
PS: Sorry not sure if this should be in a carrier specific thread. If so, not sure which one to choose since it sort of dual carrier concern
Sotats said:
Hi all, has anyone here tried or been successful in getting the data or lte over voice calls with Verizon's S6 using Tmobile? I have Tmobile and trying to use my gf's unlocked Verizon Galaxy S6. Almost everything works fine except that while on voice call, the signal drops to 1x and I can not simultaneously use data or receive mms. Are there any fixes for this? Any help would be appreciated as she is planning to switch from Verizon to Tmobile and I would love to just reuse the phone on Tmobile.
PS: Sorry not sure if this should be in a carrier specific thread. If so, not sure which one to choose since it sort of dual carrier concern
Click to expand...
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Try going to Settings > Mobile Networks > Network Mode and change it to LTE / GSM / UMTS and see if that helps.

Simultaneous voice and data on verizon Note 5

I searched this but was unable to find any matching scenario. This is typical CDMA carrier's simultaneous voice and data issue. The phone (Galaxy Note 5) was bough from Verizon and gets 4glte fine when on Verizon SIM card... even simultaneously. I wanted to use the phone with a AT&T sim and after changing APN settings it does work fine, but NO simultaneous voice and data. When I make a call the 4glte signal on the top status bar changes to 1x and there is no data. Once the call ends it switches to 4glte. I have activated Advanced calling with Ver sim card on and when the ATT sim is in it does show HD calling enabled. So what's wrong with the device?? Did anyone face same issue ? Any suggestion will be greatly APPRECIATED. btw I am w/o any contract plan with Verizon
FWIW my Note 5 switches from 4G LTE to 1x as soon as I start a call. Unless I enable advance calling then I have 4G while in a call. However if you ask me the call quality is lower when I have HD Voice enabled in the advance calling tab.
MRBULLRED said:
FWIW my Note 5 switches from 4G LTE to 1x as soon as I start a call. Unless I enable advance calling then I have 4G while in a call. However if you ask me the call quality is lower when I have HD Voice enabled in the advance calling tab.
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Same problem here. I do not want to use HD Voice but still want simultaneous voice and data. I had no issue with this on my Galaxy S5.
I just wish it would stop notifying me telling me I don't have data on a call.
This is very annoying. I didn't have to set this on my older note 3. But I also went ahead and got the advanced calling 1.0. I dont know why, its dumb but it is what it is.
The new phones don't have 2x radios like the old phones did, so can't do both simultaneously. That is why you have to use advanced calling to get both.
It is a physical limitation of the phone, nothing you can do about it.
Sent from my SM-N920V using Tapatalk
Why doesn't Verizon switch to GSM? Would it mess up their coverage if they decided to do it? I'm being hypothetical. I know it would cost them way more than they would ever spend to do it.
In a sense they are all moving to the lte spectrum. Att is GSM. Verizon is cdma. Both are using similar lte at 700mhz. When using advance calling it's no longer using cdma 1x or GSM but lte using voip over lte data. Therefore you can use voice and data.
socsoff0404 said:
I searched this but was unable to find any matching scenario. This is typical CDMA carrier's simultaneous voice and data issue. The phone (Galaxy Note 5) was bough from Verizon and gets 4glte fine when on Verizon SIM card... even simultaneously. I wanted to use the phone with a AT&T sim and after changing APN settings it does work fine, but NO simultaneous voice and data. When I make a call the 4glte signal on the top status bar changes to 1x and there is no data. Once the call ends it switches to 4glte. I have activated Advanced calling with Ver sim card on and when the ATT sim is in it does show HD calling enabled. So what's wrong with the device?? Did anyone face same issue ? Any suggestion will be greatly APPRECIATED. btw I am w/o any contract plan with Verizon
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Click to collapse
I ended up getting a AT&T Note 5 and sold the Verizon Note 5. Everything works fine (4G data and voice simultaneously) on this one. I believe it's a limitation of Verizon Note 5.
MRBULLRED said:
FWIW my Note 5 switches from 4G LTE to 1x as soon as I start a call. Unless I enable advance calling then I have 4G while in a call. However if you ask me the call quality is lower when I have HD Voice enabled in the advance calling tab.
Click to expand...
Click to collapse
Yes. But that is true when you use a Verizon SIM card... with a ATT sim there is no way to get data on the Ver Note 5. So bottom line is on a Verizon Note 5 you must use a Verizon SIM card to have voice and data at the same time, with AC on. On a ATT Note 5 it works by default, no options to turn on and perfect quality.

Advanced calling with att sim card?

Do I have to have a Verizon sim card to turn on advanced calling option? I can't get voice and data while on call. I'm using att sim
warriorpluto said:
Do I have to have a Verizon sim card to turn on advanced calling option? I can't get voice and data while on call. I'm using att sim
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Click to collapse
Try changing the network mode from global mode to LTE / GSM / UMTS. It worked for me and I'm using T-Mobile. If you are trying to do video calling I still havent figured that out yet. But at least you can have data while your on a call.
Advanced calling is only available on Verizon's network with a Verizon sim card.
I don't know if there is another way to enable simultaneous voice and data on a Verizon phone that is on another carrier, but I know Advanced Calling won't work.
Also for Verizon advanced calling only works when you have LTE connection.
Sent from my SM-N920V using Tapatalk
i wonder if there is a way to access the service menu to change the bands. this phone has more bands then what it is using right now. the marshmallow update made it a little better. i have 3g while calling. kinda slow though. i can tell you guys that there are absolutely no developers tinkering with the verizon version of the note 5 and s6 edge plus. i mean nobody. all the devs have left the scene. we are on our own for now until someone steps up. its true rather you want to believe it or not. this is the end for samsung phones on verizon.

International SM-G930F with T-Mobile

Hi all,
I've read up on a couple of threads here relating to using an international version of the S7 on T-Mobile (Reason being because I want a white version of the phone). People say that the phone works fine other than VoLTE and Wifi Calling. Unfortunetly, Wifi calling is huge for me because T-Mobile service is spotty in my home town and at work and the only way I can get a solid signal is through Wifi.
I was wondering if it would be possible to somehow flash some T-Mobile software onto this international device that would make it think that it is a 930T device and get Wifi calling to work.
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OP7P on Verizon

All,
I was wondering how are your experiences with Verizon while using OP7P.
I live in the SF Bay Area, signal has been pretty good out in the open, but as soon as I walk into a concrete building, the signal completely dies, not just weak. Anyone having similiar experience?
Also I have been hearing that this would change for Verizon in 2020? Can someone elaborate and confirm? I have an oppty to switch to ATT but I'd like to stick with Verizon if possible .
Any one?
I had the same problem. Because Verizon uses CDMA, and the OP7 does not, phone calls only work when the phone is connected to LTE. It will not work
on the Verizon 3G network. As you said, Verizon is supposed to be doing away with the CDMA thing soon, but apparently not yet. I had to switch
to AT&T, as they have a strong LTE signal in my area, as opposed to Verizon, which did not.
I've used Verizon for many years. I moved at the beginning of the year and have had poor service until I did the thing I never thought I would do. I switched to ATT and have had no further problems. I got the same cheap plan, but with more data, for the same price I was paying Verizon. The worst of it was with Pandora. I cancelled my subscription and may try them again down the road.
larryatapproved said:
I had the same problem. Because Verizon uses CDMA, and the OP7 does not, phone calls only work when the phone is connected to LTE. It will not work
on the Verizon 3G network. As you said, Verizon is supposed to be doing away with the CDMA thing soon, but apparently not yet. I had to switch
to AT&T, as they have a strong LTE signal in my area, as opposed to Verizon, which did not.
Click to expand...
Click to collapse
No calls when not on LTE is brutal...
I also noticed that when I'm on WiFi and set the Verizon sim as the primary, the status bar will only show signal but not the LTE icon, it comes back as soon as I switch off WiFi.
thetangstr said:
I also noticed that when I'm on WiFi and set the Verizon sim as the primary, the status bar will only show signal but not the LTE icon, it comes back as soon as I switch off WiFi.
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That's just how Verizon handles signal icons. It will just show what's currently in use. If you have WiFi, it priorities WiFi.
If you want to verify you still have LTE by looking at icons, turn off mobile data and you will see an x where the LTE usually is, even with the WiFi on.
thetangstr said:
Any one?
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I have Verizon and I absolutely love this phone on Verizon. You just need them to provision your account for VOLTE since this phone doesn't support CDMA. I get HD+ calling and fast download speed with LTE
thetangstr said:
No calls when not on LTE is brutal...
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Click to collapse
This is how it's going to be for everyone when Verizon ditches CDMA completely. I think a lot of people who still get voice over 3g in fringe areas and don't get a good LTE signal are going to be ticked off.
biggiesmalls657 said:
I have Verizon and I absolutely love this phone on Verizon. You just need them to provision your account for VOLTE since this phone doesn't support CDMA. I get HD+ calling and fast download speed with LTE
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I think I already have VOLTE, but not being able to make calls when not on LTE makes no sense...
thetangstr said:
I think I already have VOLTE, but not being able to make calls when not on LTE makes no sense...
Click to expand...
Click to collapse
You should be able to call. Do you have VOLTE at the top in the status bar? What does it say when you dial out?
biggiesmalls657 said:
You should be able to call. Do you have VOLTE at the top in the status bar? What does it say when you dial out?
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Most of the time I do. When I was in the concrete building, I was connected to the wifi so maybe I thought I had no mobile data but I did.
I figured it out...nothing wrong with Verizon.
It turns out when I reboot, the network selection for mobile data automatically switch to SIM1 but my Verizon sim is on 2.
All good.
The 7Pro is great on Verizon. I'm in the SF Bay Area and have no issues. I had the 6T before this phone.
Like another poster I have two sims in the phone and since TMobile comes up faster I need to manually switch back to Verizon for data after a reboot.

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