Encrypting Voice and SMS? - Moto Maxx General

So recently I devoted some time to do detailed reading on IMSI catchers. This led me on a hunt today to see how I could make my cellular communications more secure.
It should be noted that LTE is dramatically more secure than 3G. So one of the ways recommended for eliminating vulnerabilities is to set your device to operate on LTE only.
That being said after I set my phone to LTE only, I lose the ability to send or receive SMS or voice.
I'm wondering:
1. Is this the case for all networks or just verizon?
2. Is there a work around for forcing the device to send voice & SMS over data?
3. Is there a way to encrypt my communications to and from the cel tower?
-In researching this, I found what they call " verizon voice cypher" which is available to d/l from the play store. But is only available for use by businesses and government.
Any thoughts?
Sorry if I'm posting in the wrong forum, I think this topic should almost go in all the forums....
thanks,
A-

alexacm said:
So recently I devoted some time to do detailed reading on IMSI catchers. This led me on a hunt today to see how I could make my cellular communications more secure.
It should be noted that LTE is dramatically more secure than 3G. So one of the ways recommended for eliminating vulnerabilities is to set your device to operate on LTE only.
That being said after I set my phone to LTE only, I lose the ability to send or receive SMS or voice.
I'm wondering:
1. Is this the case for all networks or just verizon?
2. Is there a work around for forcing the device to send voice & SMS over data?
3. Is there a way to encrypt my communications to and from the cel tower?
-In researching this, I found what they call " verizon voice cypher" which is available to d/l from the play store. But is only available for use by businesses and government.
Any thoughts?
Sorry if I'm posting in the wrong forum, I think this topic should almost go in all the forums....
thanks,
A-
Click to expand...
Click to collapse
With Verizon on stock Verizon/Moto firmware on the XT1254/XT1250, you can have voice with LTE. It's called VoLTE.
Verizon VoLTE does not work with Quark non-stock custom ROMs. There is no VoLTE whatsoever on the XT1225.
There is no VoLTE for the XT1254/XT1250 whatsoever on other carriers besides Verizon.
But there is VoLTE with stock Verizon firmware, so choosing LTE only should work for voice calls for you -- as long as you're in a good LTE coverage area.

ChazzMatt said:
With Verizon on stock Verizon/Moto firmware on the XT1254/XT1250, you can have voice with LTE. It's called VoLTE.
Verizon VoLTE does not work with Quark non-stock custom ROMs. There is no VoLTE whatsoever on the XT1225.
There is no VoLTE for the XT1254/XT1250 whatsoever on other carriers besides Verizon.
But there is VoLTE with stock Verizon firmware, so choosing LTE only should work for voice calls for you -- as long as you're in a good LTE coverage area.
Click to expand...
Click to collapse
thanks for the reply ChazzMatt- since this post I have found some apps that I think fit the bill. Expressly SIGNAL and WICKR ME. Do you have any experience with these? Also are there any advantages/disadvantages to using these vs VoLTE?
thanks again-

Related

VoLTE on Nexus 6 from Verizon

I went here , clicked on "Free Products", and found that my Nexus 6 was eligible for HD Voice. I signed up, checked out (for free), and it said that my phone now has HD Voice. The FAQ explains how to verify that it's actually working, as follows:
To verify Advanced Calling 1.0 is ready to use on an Android phone:
Open the Contacts app.
Tap on the Groups tab.
If you see a group named "Video Calling," this indicates that Advanced Calling 1.0 is ready for use.
Note: If you don't see the Video Calling group, turn off your phone and turn it back on again. If you still don't see it, verify that the latest software is installed on your phone.
Click to expand...
Click to collapse
My phone didn't pass that test, but I don't know if that's because I'm rooted. Or whether I'm confusing "HD Voice" with "Advanced Calling" which maybe I am. Kind of confusing.
I just tried this and was unable to send or receive calls. Kept getting all circuits are busy until I took it off my account.
Sent from my Nexus 6 using XDA Free mobile app
Yea I'm sure volte isn't enabled for the n6 right now on any network.
Sent from my Nexus 6 using Tapatalk
There needs to be a software update to our phones to make it work. now that vz is for sure getting the phone we should have a way to do that soon.
TonikJDK said:
There needs to be a software update to our phones to make it work. now that vz is for sure getting the phone we should have a way to do that soon.
Click to expand...
Click to collapse
Right, but it's confusing that the Nexus 6 is identified as "eligible" for HD Voice, given that HD Voice is part of Advanced Calling, which is Verizon's name for VoLTE. But I suppose it's not remarkable that there is misleading and confusing information on Verizon's website.
Back to waiting for Godot...
hd voice isnt the same as volte. tmobile has had hd voice for a while now, and volte is only voice over lte. two differing things.
simms22 said:
hd voice isnt the same as volte. tmobile has had hd voice for a while now, and volte is only voice over lte. two differing things.
Click to expand...
Click to collapse
That's what I mean when I say the Verizon site is confusing. Here's what the FAQ says:
What is Advanced Calling?
Advanced Calling 1.0 is a first generation suite of services enabled by VoLTE (Voice over LTE) technology. VoLTE is a new technology platform that delivers voice calls over the 4G LTE network instead of the traditional voice network.
The benefits of Advanced Calling 1.0 include:HD Voice
1-way or 2-way video calls* (including support for video calls over Wi-Fi)
6-way conference calls​
What is HD Voice?
HD Voice delivers clearer, natural-sounding audio when both parties are using HD Voice-enabled phones that are connected to our 4G LTE network.​
Reading that, and seeing that my phone was "eligible" for HD Voice, made me think that maybe VoLTE was being rolled out for the Nexus 6. Obviously it wasn't, but you can see the source of the confusion.
baudi11 said:
That's what I mean when I say the Verizon site is confusing. Here's what the FAQ says:
What is Advanced Calling?
Advanced Calling 1.0 is a first generation suite of services enabled by VoLTE (Voice over LTE) technology. VoLTE is a new technology platform that delivers voice calls over the 4G LTE network instead of the traditional voice network.
The benefits of Advanced Calling 1.0 include:HD Voice
1-way or 2-way video calls* (including support for video calls over Wi-Fi)
6-way conference calls​
What is HD Voice?
HD Voice delivers clearer, natural-sounding audio when both parties are using HD Voice-enabled phones that are connected to our 4G LTE network.​
Reading that, and seeing that my phone was "eligible" for HD Voice, made me think that maybe VoLTE was being rolled out for the Nexus 6. Obviously it wasn't, but you can see the source of the confusion.
Click to expand...
Click to collapse
ah, i see. it is a little confusing how they set it up. seems like they have hd calling on their volte enabled line. tmibile does it on their non volte enabled lines. but both caller and reciever have to have hd calling for it to work.
baudi11 said:
I went here , clicked on "Free Products", and found that my Nexus 6 was eligible for HD Voice. I signed up, checked out (for free), and it said that my phone now has HD Voice. The FAQ explains how to verify that it's actually working, as follows:
My phone didn't pass that test, but I don't know if that's because I'm rooted. Or whether I'm confusing "HD Voice" with "Advanced Calling" which maybe I am. Kind of confusing.
Click to expand...
Click to collapse
My understanding is that the Nexuz 6, while it will support Advanced Calling (VoLTE), it will only support HD Voice and not HD Video - just like the iPhone 6/6 Plus. So that test is actually moot.
thepiombino said:
My understanding is that the Nexuz 6, while it will support Advanced Calling (VoLTE), it will only support HD Voice and not HD Video - just like the iPhone 6/6 Plus. So that test is actually moot.
Click to expand...
Click to collapse
Source?
I just added this feature to my account and nothing happened. Calls still work and the "LTE" label still disappears from above the signal icon (meaning the data connection is still going away during calls, and therefor VoLTE isn't working).
It can't be a coincidence that Verizon sees the N6 as compatible. My wife's Verizon Note 4 comes up as not compatible, for example. So, they must be enabling certain models on purpose and they enabled the N6.
My assumption is that there will be a software update to enable this on the N6 by default at some point before the phone launches on Verizon. However, maybe there is a way to manually enable it now? Does anyone know of any dialer codes or settings that relate to VoLTE? Is VoLTE working on any other carrier?
TheSopranos16 said:
I just added this feature to my account and nothing happened. Calls still work and the "LTE" label still disappears from above the signal icon (meaning the data connection is still going away during calls, and therefor VoLTE isn't working).
It can't be a coincidence that Verizon sees the N6 as compatible. My wife's Verizon Note 4 comes up as not compatible, for example. So, they must be enabling certain models on purpose and they enabled the N6.
My assumption is that there will be a software update to enable this on the N6 by default at some point before the phone launches on Verizon. However, maybe there is a way to manually enable it now? Does anyone know of any dialer codes or settings that relate to VoLTE? Is VoLTE working on any other carrier?
Click to expand...
Click to collapse
no other carrier has it yet, and verizon just started rolling it out(and most likely its not in your area yet).
I have a question.... When Verizon do release the update to initiate VOLTE for this phone will someone be able extract for us non Verizon nexus 6 owners to download it? Advanced calling is initiated on my account because I had the g3 so I'm hoping we can get the update when its released.
kng60ft said:
I have a question.... When Verizon do release the update to initiate VOLTE for this phone will someone be able extract for us non Verizon nexus 6 owners to download it? Advanced calling is initiated on my account because I had the g3 so I'm hoping we can get the update when its released.
Click to expand...
Click to collapse
Not possible.
Google is adding in the standardized backend interface to have VoLTE working, but I am pretty much going to assume that it will be implemented carrier by carrier basis since there is also going to need to be changes to how towers/carriers hand off the protocol.
8Fishes said:
Not possible.
Google is adding in the standardized backend interface to have VoLTE working, but I am pretty much going to assume that it will be implemented carrier by carrier basis since there is also going to need to be changes to how towers/carriers hand off the protocol.
Click to expand...
Click to collapse
Pretty sure he meant would it be possible to add it to a non-Verizon purchased Nexus running on Verizon's network. Not to port Verizon's VoLTE to another carrier.
That being said, it's pretty much impossible to answer until we know how Verizon implements this. If I had to guess I would say it could be added to the /oem partition similar to AT&T's stuff. Either way, I would say it's pretty likely it would be added to any device running with a Verizon sim.
We all need to remember that Volte is only available in a few cities yet
Just for giggles I added the Advanced Calling to my cart. (I didn't check out).. I noticed that it was going to remove ringback tones if I proceeded. Weird.
hdtechk said:
We all need to remember that Volte is only available in a few cities yet
Click to expand...
Click to collapse
Do you have a source for that? You could very well be right, but from reading verizon's website, it sounded like it was supposed to work anywhere with lte coverage.
simms22 said:
no other carrier has it yet, and verizon just started rolling it out(and most likely its not in your area yet).
Click to expand...
Click to collapse
It is LTE and phone compatibility dependent, not area. Unless your area does not have LTE.
I would imagine once 5.1 hits we will have volte/advanced calling on verizon. However none of this will work until verizon officially activates and allows this phone on their network as more than an unrecognized device. Like others have said though google still has some backend work to do to make it possible on their end as well.

SM-G900P on Straight Talk (AT&T)

Hi everyone,
I've been a lurker of this site for a little while now, so thank you all for your productivity and guides (If I can get this to work, I will create a guide myself to share ) I recently purchased a Brand New Sprint Galaxy S5 (SM-G900P) with the hopes of unlocking it and using it on Straight Talk AT&T's network. I've made incredible progress so far, but I feel like I'm missing something. Up to this point I've spent countless hours online reading about this device and troubleshooting it.
Current Issue: Phone will not contact any GSM network. I have the sim card in and it just says no service. I know this is only on GSM networks because I disabled all CDMA bands using DFS. All AT&T bands are active and I believe the Galaxy S5 supports almost every band available. APN Settings are set correctly.
Things I have done / tried:
Using Cyanogenmod13 KLTE ROM, Cyanogenmod12.1 SPR ROM, Unofficial CM13 SPR ROM. Also, tried using a "stock?" 4.4.4 ROM that was a little glitchy, but worked nonetheless (tried using SSU.apk here, but afterwards it seemed to sim-lock my phone by giving "Invalid SIM"
Phone unlocked with IDoneApps (no more invalid sim) IDoneApps says its for International and Domestic.
I paid for a Network Access Code and registered the phone with Straight Talk and attempted to transfer the service over (not sure if this is necessary as I am using a GSM SIM, which still works fine in my other phone, perfect service)
Also, on the stock ROM it keeps trying to "Activate the device" and won't be able to. Sometimes the phone goes into roaming and when I call it sends me to Verizon Wireless Customer Service (not sure why on this)
Phone will receive service fine when set to Automatic or CDMA LTE. If I attempt to call a phone I will get "Your account is not authorized to make calls to this phone number" with a mans voice.
-Do I need to do something with Sprint to go forward?
SOLVED IT:
Had to enable the "GCF Setting" on the phone.
YouTube Video: "How to enbale GFC settings on any Samsung Galaxy " - This guide worked flawlessly.
Now all I need to do in order to have perfect service on this SM-G900P on AT&T is to enable the rest of the AT&T LTE Bands on it.
Hey, I know this is necro'ing but I hope you are still around.....
I'm in the same situation as this post right now...I have have a SM-G900P (Sprint Galaxy S5), now activated through Straight Talk, but my data doesn't work when using CM13. I was wondering more what you mean by your GCF settings and maybe some quick tips to get 4G/LTE while on CM (Preferably 13+). Stock Rom I get LTE just fine, but for some reason it gives me this *FUGLY* Creedo mvno app suite when I do a fresh restore of stock rom, and just the whole touchwhiz thing sucks in general. I'd much prefer CM or any other custom ROM that cuts out the BS but gives me data.
Phweak said:
Hey, I know this is necro'ing but I hope you are still around.....
I'm in the same situation as this post right now...I have have a SM-G900P (Sprint Galaxy S5), now activated through Straight Talk, but my data doesn't work when using CM13. I was wondering more what you mean by your GCF settings and maybe some quick tips to get 4G/LTE while on CM (Preferably 13+). Stock Rom I get LTE just fine, but for some reason it gives me this *FUGLY* Creedo mvno app suite when I do a fresh restore of stock rom, and just the whole touchwhiz thing sucks in general. I'd much prefer CM or any other custom ROM that cuts out the BS but gives me data.
Click to expand...
Click to collapse
no worries about necro'ing a thread, im not sure why some folks get bent out of shape about it :/ anyways, what service provider are you using via straight talk? they use all of the major 4 (vzw, at&t, tmob and sprint)
the basic answer to your question is APN settings. did you ever have data working with str8 talk? if so, your gcf settings dont need to be fiddled with, if not, then you have some tinkering to do. not at all difficult really, just some button presses
youdoofus said:
no worries about necro'ing a thread, im not sure why some folks get bent out of shape about it :/ anyways, what service provider are you using via straight talk? they use all of the major 4 (vzw, at&t, tmob and sprint)
Click to expand...
Click to collapse
Well, the only band that identifies when I actually have a working data connection (tops I get is 3G) says Sprint. So I think that's who they're routing me through. I'm not a total rookie when it comes to this, but I don't know how to change the radio bands outside of what apps like Radio Switcher do (which actually just gives me a short cut to quasi-service mode settings in CM).
I get the cell data to read LTE on stock, but it's gross touchwiz and it never seems to get GOOD signal, two bars of LTE was the most in Milwuakee suburbs, an area I'd assume would be swimming in 4G/LTE. I'd much rather use CM for the customization (or any more "purer" android ROMS). If I select CMDA auto PRL I get a solid 3G and all voice/text/data services work. But any other option that includes LTE drops my data entirely.
Edit: I just realized I repeated myself lol. I've made a few posts on various forums about this. Kind of forgotten what info I've provided where. Sorry for the redundancy.
Phweak said:
Well, the only band that identifies when I actually have a working data connection (tops I get is 3G) says Sprint. So I think that's who they're routing me through. I'm not a total rookie when it comes to this, but I don't know how to change the radio bands outside of what apps like Radio Switcher do (which actually just gives me a short cut to quasi-service mode settings in CM).
I get the cell data to read LTE on stock, but it's gross touchwiz and it never seems to get GOOD signal, two bars of LTE was the most in Milwuakee suburbs, an area I'd assume would be swimming in 4G/LTE. I'd much rather use CM for the customization (or any more "purer" android ROMS). If I select CMDA auto PRL I get a solid 3G and all voice/text/data services work. But any other option that includes LTE drops my data entirely.
Edit: I just realized I repeated myself lol. I've made a few posts on various forums about this. Kind of forgotten what info I've provided where. Sorry for the redundancy.
Click to expand...
Click to collapse
i dont have any experience with the sprint flavor of straight talk service, but it should be on the same LTE bands as normal sprint. shouldnt have to monkey with anything tho. ill have to look more when i get home
Phweak said:
Well, the only band that identifies when I actually have a working data connection (tops I get is 3G) says Sprint. So I think that's who they're routing me through. I'm not a total rookie when it comes to this, but I don't know how to change the radio bands outside of what apps like Radio Switcher do (which actually just gives me a short cut to quasi-service mode settings in CM).
I get the cell data to read LTE on stock, but it's gross touchwiz and it never seems to get GOOD signal, two bars of LTE was the most in Milwuakee suburbs, an area I'd assume would be swimming in 4G/LTE. I'd much rather use CM for the customization (or any more "purer" android ROMS). If I select CMDA auto PRL I get a solid 3G and all voice/text/data services work. But any other option that includes LTE drops my data entirely.
Edit: I just realized I repeated myself lol. I've made a few posts on various forums about this. Kind of forgotten what info I've provided where. Sorry for the redundancy.
Click to expand...
Click to collapse
Ok, I reread your op and it said that you're using at&t. Are you sim unlocked? If not, Mr @stifilz, do you think you could hook this guy up? He has a proven track record of unlocking S5s
Just a heads up I'm not OP, that's @aventurer. I just happened to find a very similar situation. Probably changes your train of thought but for what it's worth in my situation, the phone sim came from Sprint originally, and the Straight Talk people said they use that sim to connect to the LTE bands.

T-Mobile VoLTE, Voice Calls with OTA MM ?

Last I saw, it appeared that OTA Marshmallow 6.0 on Moto X Pure Edition had voice call problems with VoLTE enabled, on T-Mobile.
The workaround was to disable VoLTE (Disable "Enhanced LTE"), to maintain good voice calls quality.
Can anyone offer info on whether this is still a problem with OTA MM, T-Mobile, and VoLTE?
I'm staying with 5.1.1 until I see this resolved, either on T-Mobile end, MM, or maybe with a fix to some offending component or app.
TIA...
Please everyone let Motorola know about this bug so that they will fix it.
https://forums.lenovo.com/t5/Moto-X...l-audio-after-MM-upgrade-w-VoLTE/td-p/3239629
I read that thread a while back. My conclusion was there was insufficient resources when the screen off when on VoLTE. I'd think using a kernel manager with a custom kernel would let you set a higher cpu speed with the screen off, or maybe enable more cores to be available.
There still no fix for VolTE voice calls bug on this phone?
No fix. Motorola/Lenovo is basically ignoring us. You can see this in the long running Motorola support forum thread. Kernel change does not help as it has been tried already. Moto sucks.
That's a bummer. I think I'm going to return it before I loose the window. My last phone was an LG G2 and the VoltE worked flawlessly. It is sad that a newer/better specs phone is worse in that area than a 2013 phone.
Sent from my XT1575 using Tapatalk
If I downgrade to KitKat the bug will still be there? Or maybe use another modem/radio?
hachuelo said:
If I downgrade to KitKat the bug will still be there? Or maybe use another modem/radio?
Click to expand...
Click to collapse
KitKat does not exist for this device. Lollipop does not have the VOLTE bug. But you will loose band 12 LTE.
I don't think this is a Lenovo issue. I'm on AT&T and pretty much they only support VoLTE on their branded phones. Blame your carrier, not the phone. VOLTE does work on Verizon as I know two other people with this phone on VZ and once they got MM update, it worked.
Sent from my awesome phone!
aybarrap1 said:
I don't think this is a Lenovo issue. I'm on AT&T and pretty much they only support VoLTE on their branded phones. Blame your carrier, not the phone. VOLTE does work on Verizon as I know two other people with this phone on VZ and once they got MM update, it worked.
Sent from my awesome phone!
Click to expand...
Click to collapse
That could be true. T-Mobile tells me they are aware of it.
kevev said:
That could be true. T-Mobile tells me they are aware of it.
Click to expand...
Click to collapse
I don't want to jinx myself but I have had my XT1575 (US) since October but recently switched to T-Mobile from VZ. Although my bootloader is still unlocked, I am running stock 6.0 (24.201.3 - Feb Security Update) and have had zero VoLTE issues (even on VZ it worked fine once enabled on my account)... Still no Wifi-Calling (on either carrier) with my XT1575, but HD Voice works great when calling another T-Mobile VoLTE phone (HD icon appears and voice quality/audio range is noticeably improved).
Not to state the obvious, but have those of you with VoLTE issues go into the hidden "testing" menu and made sure the VoLTE Provisioning Flag was set to "ON"? Access the Testing menu by entering these keys from the dialpad: *#*#4636#*#* and go under Phone Information then scroll down...
Also, make sure you have the T-Mobile LTE APN (Access Point Name) configured and enabled (should be auto-provisioned as "T-Mobile US 260 LTE" but if not the APN is "fast.t-mobile.com" and there are instructions for manually configuring their APN on their website).
Hope this helps.
ech1253 said:
I don't want to jinx myself but I have had my XT1575 (US) since October but recently switched to T-Mobile from VZ. Although my bootloader is still unlocked, I am running stock 6.0 (24.201.3 - Feb Security Update) and have had zero VoLTE issues (even on VZ it worked fine once enabled on my account)... Still no Wifi-Calling (on either carrier) with my XT1575, but HD Voice works great when calling another T-Mobile VoLTE phone (HD icon appears and voice quality/audio range is noticeably improved).
Not to state the obvious, but have those of you with VoLTE issues go into the hidden "testing" menu and made sure the VoLTE Provisioning Flag was set to "ON"? Access the Testing menu by entering these keys from the dialpad: *#*#4636#*#* and go under Phone Information then scroll down...
Also, make sure you have the T-Mobile LTE APN (Access Point Name) configured and enabled (should be auto-provisioned as "T-Mobile US 260 LTE" but if not the APN is "fast.t-mobile.com" and there are instructions for manually configuring their APN on their website).
Hope this helps.
Click to expand...
Click to collapse
VOLTE Provisioned flag is set. APN is correct.
Tinkerer_ said:
Last I saw, it appeared that OTA Marshmallow 6.0 on Moto X Pure Edition had voice call problems with VoLTE enabled, on T-Mobile.
The workaround was to disable VoLTE (Disable "Enhanced LTE"), to maintain good voice calls quality.
Can anyone offer info on whether this is still a problem with OTA MM, T-Mobile, and VoLTE?
I'm staying with 5.1.1 until I see this resolved, either on T-Mobile end, MM, or maybe with a fix to some offending component or app.
TIA...
Click to expand...
Click to collapse
It really doesn't matter if you upgrade the phone from Lollipop because VoLTE didn't exist on the phone until the Marshmallow upgrade. If you have problems with calls you can turn VoLTE off which is what you have now.
heap1 said:
It really doesn't matter if you upgrade the phone from Lollipop because VoLTE didn't exist on the phone until the Marshmallow upgrade. If you have problems with calls you can turn VoLTE off which is what you have now.
Click to expand...
Click to collapse
It does if we want to make calls on LTE band 12 as this band only supports VOLTE for voice.
kevev said:
It does if we want to make calls on LTE band 12 as this band only supports VOLTE for voice.
Click to expand...
Click to collapse
I think you misunderstood what I said. VoLTE was not added to the phone until the Marshmallow upgrade. If you are still using Lollipop VoLTE doesn't exist.
ech1253 said:
I don't want to jinx myself but I have had my XT1575 (US) since October but recently switched to T-Mobile from VZ. Although my bootloader is still unlocked, I am running stock 6.0 (24.201.3 - Feb Security Update) and have had zero VoLTE issues (even on VZ it worked fine once enabled on my account)... Still no Wifi-Calling (on either carrier) with my XT1575, but HD Voice works great when calling another T-Mobile VoLTE phone (HD icon appears and voice quality/audio range is noticeably improved).
Not to state the obvious, but have those of you with VoLTE issues go into the hidden "testing" menu and made sure the VoLTE Provisioning Flag was set to "ON"? Access the Testing menu by entering these keys from the dialpad: *#*#4636#*#* and go under Phone Information then scroll down...
Also, make sure you have the T-Mobile LTE APN (Access Point Name) configured and enabled (should be auto-provisioned as "T-Mobile US 260 LTE" but if not the APN is "fast.t-mobile.com" and there are instructions for manually configuring their APN on their website).
Hope this helps.
Click to expand...
Click to collapse
Your move from VZ to T-Mobile may support it is a carrier thing. Perhaps because your phone was already provisioned to with VOLTE on VZ, it carried over. I know the phone supports it, but let's face it, U.S. Carriers seem to hate not having control (especially AT&T). Any means to keep features limited unless you use their branded devices is one more control they have.
Sent from my XT1575 using XDA-Developers mobile app
heap1 said:
I think you misunderstood what I said. VoLTE was not added to the phone until the Marshmallow upgrade. If you are still using Lollipop VoLTE doesn't exist.
Click to expand...
Click to collapse
I understood what you said. But band 12 opens up a larger coverage area. Without VOLTE calls do not work on band 12.
One thing to note is that if the screen is kept on the jitter goes away. So it may also be a power management issue. We have already tried disabling power management on call services. But it did not help.
kevev said:
I understood what you said. But band 12 opens up a larger coverage area. Without VOLTE calls do not work on band 12.
One thing to note is that if the screen is kept on the jitter goes away. So it may also be a power management issue. We have already tried disabling power management on call services. But it did not help.
Click to expand...
Click to collapse
I am not disputing the fact that you need VoLTE to make calls over Band 12. Fortunately where I live in the Boston area T-Mobile pretty much operates exclusively on Band 4. So if I start having call problems with VoLTE enabled I can just turn it off. However, if I was still on Lollipop and in areas of the Country that use Band 12 exclusively I would not be able to make any cell calls using T-Mobile, since VoLTE was not enabled on the phone until the Marshmallow upgrade.
I would like to be able to blame T-Mobile for the problem but unfortunately this doesn't seem to be the case. Other third party phones like the recent Nexus phones, the Axon Pro, and the iPhone 6s and 6s plus all seem to have no problems making voice calls with VoLTE enabled. In my case I have noticed that the static problem does not occur with every call. It seems to come and go on an intermittent basis.
heap1 said:
I am not disputing the fact that you need VoLTE to make calls over Band 12. Fortunately where I live in the Boston area T-Mobile pretty much operates exclusively on Band 4. So if I start having call problems with VoLTE enabled I can just turn it off. However, if I was still on Lollipop and in areas of the Country that use Band 12 exclusively I would not be able to make any cell calls using T-Mobile, since VoLTE was not enabled on the phone until the Marshmallow upgrade.
I would like to be able to blame T-Mobile for the problem but unfortunately this doesn't seem to be the case. Other third party phones like the recent Nexus phones, the Axon Pro, and the iPhone 6s and 6s plus all seem to have no problems making voice calls with VoLTE enabled. In my case I have noticed that the static problem does not occur with every call. It seems to come and go on an intermittent basis.
Click to expand...
Click to collapse
I agree that it seems to be device specific. It sucks that Moto is ignoring the issue.
Sent from my XT1575 using XDA-Developers mobile app
kevev said:
I agree that it seems to be device specific. It sucks that Moto is ignoring the issue.
Sent from my XT1575 using XDA-Developers mobile app
Click to expand...
Click to collapse
I think we all agree that Moto ignoring the issue is the worst part of the situation. I don't think they have even acknowledged it as a problem yet. There are a lot of things about the phone I like. However, at this point I would never buy another phone from Motorola. All phones have minor bugs. However, this is a major problem.

International S8 (SM-950FD) On Verizon

Hey guys,
I bought the G950FD on eBay so that I could root and tweak it the way I always have with my previous phones. I use total wireless which is on Verizon towers and have gotten the phone to connect just like it should, text, receive/make calls, and use data. To do this, I used the Flashable CSC Collection here to switch the CSC to VZW and it worked for a while, but after restarting I started to get some problems that I can't sort out.
1. Calls do not work anymore - I can't make or receive them at all. Dialing a number just says "Dialing" with some zeros below it, and calling my number goes right to voicemail.​2. Data cuts out sometimes and shows no signal. Recently, I tried to search for carriers and reconnect to Verizon but now I can't get a connection at all without restoring a backup.​3. Other observations: Using a signal info app, it seems like I only see band 1 and it is usually very slow. CDMA obviously doesn't work, so maybe that's why I can't register on the network anymore, but why did it work when I first booted up? I can't change the APN settings after switching to VZW CSC and also can't see an option for VoLTE, but that must be working right? Only some ROMs seem to work with the VZW CSC and allow me to connect to the cell towers. Changing the network mode does not do anything and just reverts back to 2G, which doesn't make sense because 2G shouldn't be possible. None of the codes that can be entered into the dialer to run the activities have worked or helped at all. When connected to WiFi, the no signal bar shows 4G connectivity and the signal bars reappear but I am still not connected.​
So, what can I try and does anyone have knowledge to share about cell towers, SIMs, registering on the network, or anything else relevant to my situation? I am completely stumped and would love any input that you guys could give me and future 950FD owners who might have this issue.
I'm looking forward to hearing what you guys know,
Joe
Only verizon phones work on verizon, you can't use a non-verizon phone on its network even if its supports its frequencies. Lte on your s8 is compatible with verizon's but after it worked for a bit they disabled your imei from their network, nothing you can do about it.
peachpuff said:
Only verizon phones work on verizon, you can't use a non-verizon phone on its network even if its supports its frequencies. Lte on your s8 is compatible with verizon's but after it worked for a bit they disabled your imei from their network, nothing you can do about it.
Click to expand...
Click to collapse
Thanks for the reply! I do not think they have blocked my IMEI because I just restored a backup and everything works again. I believe it has something to do with the settings on my phone or possibly a bug with Android/changing the CSC because changing the network settings cause crashes, disconnects, and other weird behavior.
peachpuff said:
Only verizon phones work on verizon, you can't use a non-verizon phone on its network even if its supports its frequencies. Lte on your s8 is compatible with verizon's but after it worked for a bit they disabled your imei from their network, nothing you can do about it.
Click to expand...
Click to collapse
Lol don't give misinformation, they don't do this, in fact I'm pretty sure forcing all users to have phones obtained through Verizon would be completely illegal for a Telco to do. VZW doesn't even know what type of phone you have unless you register it and even if you do they don't care.

AT&T & Verizon VoLTE and VoWiFi calling/texting thread

Hi all. Posting this for users looking for answers on VoLTE and WoWifi on the 6T on AT&T & Verizon. If users with access to the OP6T could please test and report, that would be very helpful. Since the pixel 3 now supports both VoLTE & VoWiFi (on AT&T) there is perhaps some hope that OnePlus will also support it.
1: On AT&T, is there an option for Voice over LTE and Wifi calling and does it work?
2: On Verizon, I know Voice over LTE will work, but what about Wifi Calling?
Screen shots welcome I will have my hands on the device as soon as its available and will report since I have all the carriers, but thought maybe someone might get their hands on one early and could report. It might make a big difference on whether or now some users buy the device.! Thanks guys!
Yeah, whether or not I get the OP6T depends entirely on whether VoLTE and VoWiFi work on AT&T.
Eagerly waiting for updates!
hosss870 said:
Yeah, whether or not I get the OP6T depends entirely on whether VoLTE and VoWiFi work on AT&T.
Eagerly waiting for updates!
Click to expand...
Click to collapse
Same here!
AT&T & Verizon VoLTE and VoWiFi calling/texting thread
Same here. I’ve got a spot in SC where I got for holidays annually where, without Wi-Fi calling, my phone is a paperweight. I’ve always wanted to try a OnePlus but if there’s no Wi-Fi calling I’ll have to pass and stick with my XS Max.
I’ve already ordered but it’ll be a quick turnaround if that doesn’t work.
Sent from my iPhone using Tapatalk
This question came up in the AMA with the OP team in their community forums last week, and Pei himself said VoWifi isn't supported at the moment.
Just got my device today so update time..
1: VoLTE works on Verizon by default as soon as you pop in the SIM. All the Verizon LTE bands seem to work fine.. in this area, 2,4,13, & 66. no option in the menu for wiFi calling, even though it works fine in my pixel 3 where my verizon SIM just was.
2: Neither VoLTE or VoWiFI work on AT&T by default. No option for either in the settings at all. So no change there from OP5/5T/6 ETC. However, if you go do the dialer, dial *#800# and hit enter, select oneplus logkit, scroll down to function switch and select it, and check the box for VoLTE switch and Vowifi switch and then reboot, it puts the VOLTE setting and VoWiFI setting in for both the Verizon and AT&T SIM. and while you can enable VoWIFI on both Verizon and AT&T, it DOES NOT work on either. On AT&T however, as long as you have a VOLTE capable/recognized IMEI on your AT&T account for your line, VoLTE/HD voice work just fine.
So, while it is amazing to have, for the first time ever a DUAL SIM phone that supports both VZW & AT&T at the same time, it is a too bad that VoWiFI does not work on either, Especially now that the Pixel 3 Supports it on both carriers.
crowsnestitsupport said:
Just got my device today so update time..
1: VoLTE works on Verizon by default as soon as you pop in the SIM. All the Verizon LTE bands seem to work fine.. in this area, 2,4,13, & 66. no option in the menu for wiFi calling, even though it works fine in my pixel 3 where my verizon SIM just was.
2: Neither VoLTE or VoWiFI work on AT&T by default. No option for either in the settings at all. So no change there from OP5/5T/6 ETC. However, if you go do the dialer, dial *#800# and hit enter, select oneplus logkit, scroll down to function switch and select it, and check the box for VoLTE switch and Vowifi switch and then reboot, it puts the VOLTE setting and VoWiFI setting in for both the Verizon and AT&T SIM. and while you can enable VoWIFI on both Verizon and AT&T, it DOES NOT work on either. On AT&T however, as long as you have a VOLTE capable/recognized IMEI on your AT&T account for your line, VoLTE/HD voice work just fine.
So, while it is amazing to have, for the first time ever a DUAL SIM phone that supports both VZW & AT&T at the same time, it is a too bad that VoWiFI does not work on either, Especially now that the Pixel 3 Supports it on both carriers.
Click to expand...
Click to collapse
proof
crowsnestitsupport said:
Hi all. Posting this for users looking for answers on VoLTE and WoWifi on the 6T on AT&T & Verizon. If users with access to the OP6T could please test and report, that would be very helpful. Since the pixel 3 now supports both VoLTE & VoWiFi (on AT&T) there is perhaps some hope that OnePlus will also support it.
1: On AT&T, is there an option for Voice over LTE and Wifi calling and does it work?
2: On Verizon, I know Voice over LTE will work, but what about Wifi Calling?
Screen shots welcome I will have my hands on the device as soon as its available and will report since I have all the carriers, but thought maybe someone might get their hands on one early and could report. It might make a big difference on whether or now some users buy the device.! Thanks guys!
Click to expand...
Click to collapse
Has anyone used the dialer code *#*#4636#*#* & try to toggle VoLTE &/OR VoWI-FI ?
Thanks for the info. I'm looking to get the 6T to use on AT&T. I've never used an unlocked/non-AT&T branded phone on my line. Are there any other limitations that AT&T implements on non-AT&T branded devices? Do they throttle data speeds? Any issues with SMS/MMS working like some Verizon users are experiencing? Would I need to contact AT&T to have any special provisioning just to get it to work? I appreciate any insight on this.
sharksfan7 said:
Thanks for the info. I'm looking to get the 6T to use on AT&T. I've never used an unlocked/non-AT&T branded phone on my line. Are there any other limitations that AT&T implements on non-AT&T branded devices? Do they throttle data speeds? Any issues with SMS/MMS working like some Verizon users are experiencing? Would I need to contact AT&T to have any special provisioning just to get it to work? I appreciate any insight on this.
Click to expand...
Click to collapse
I'm not on AT&T so,I'm not gonna speculate.
Perhaps someone will chime-in soon for more definitive information.
My OnePlus 6t came in today. Took sim out of my Pixel 3 XL and popped it in. Everything is working except I can't SEND text messages. I can receive them and make calls, data is fine (actually amazing 44.5 mbps d/l, which is good for around here.)
I've tried chatting with Verizon, but after I told them what device, there was a long pause and then she asked if it was an iPhone
Here are my troubleshooting steps I've followed.
-deleted app cache and storage
-reset device
-factory reset device
-cleared cache partition in recovery
Any suggestions? I put the sim back in my Pixel and all the messages came through. I've tried both slots.
Mobile network state-Connected
Service state-In service
Mobile voice network type-4g
Mobile data network types-4g
EID-unknown (??)
There is another thread discussing why a lot of people using 6T on Verizon having problem receiving SMS and MMS. Something the phone being LTE only on Verizon. Maybe you are having the same problem? Worth reading that thread.
akmsr said:
There is another thread discussing why a lot of people using 6T on Verizon having problem receiving SMS and MMS. Something the phone being LTE only on Verizon. Maybe you are having the same problem? Worth reading that thread.
Click to expand...
Click to collapse
Yes. that would be best. I didn't need to do anything with mine, it just worked. However, I do have the latest version the the Verizon SIM card. Not sure if that matters. I was using a Pixel 3 before.
sharksfan7 said:
Thanks for the info. I'm looking to get the 6T to use on AT&T. I've never used an unlocked/non-AT&T branded phone on my line. Are there any other limitations that AT&T implements on non-AT&T branded devices? Do they throttle data speeds? Any issues with SMS/MMS working like some Verizon users are experiencing? Would I need to contact AT&T to have any special provisioning just to get it to work? I appreciate any insight on this.
Click to expand...
Click to collapse
I have used AT&T for years on unlocked devices. I have tested everything Data speeds are just fine. no issues there. the OP6T supports all the bands on AT&T so coverage should be just fine for you. The limits are as follows:
1: built in visual voicemail will not work, you will need to use the AT&T visual Voicemail app from the store.
2: Wifi calling/texting will not work
3: VoLTE/HD Voice will only work with the above mentioned trickery. Root is NOT needed. just the *#800# thing
the only provisioning you may need is the AT&T imei for VoLTE (Easiest to do online) after installing your AT&T SIM in the OP6T, if VoLTE doesn't work after following the instruction in this thread, log into your AT&T account and update your IMEI to one of your past AT&T phones that support VoLTE and update, reboot you OP6T and bingo, it will work. No other provisioning or limitations that I know of. And if VoLTE/HD Voice isn't important to you, you can ignore all this. Your existing AT&T SIM just needs installed in your OP6T and your good to go!
KOLIOSIS said:
Has anyone used the dialer code *#*#4636#*#* & try to toggle VoLTE &/OR VoWI-FI ?
Click to expand...
Click to collapse
The *#800# enables all those options. But it doesn't help anything on Verizon, and on AT&T it does work for VoLTE if a VOLTE enabled IMEI is on your AT&T account, but it doesn't work for wifi calling. I wish it was just illegal for the carriers to block services just because its a non branded phone
natypes said:
My OnePlus 6t came in today. Took sim out of my Pixel 3 XL and popped it in. Everything is working except I can't SEND text messages. I can receive them and make calls, data is fine (actually amazing 44.5 mbps d/l, which is good for around here.)
I've tried chatting with Verizon, but after I told them what device, there was a long pause and then she asked if it was an iPhone
Here are my troubleshooting steps I've followed.
-deleted app cache and storage
-reset device
-factory reset device
-cleared cache partition in recovery
Any suggestions? I put the sim back in my Pixel and all the messages came through. I've tried both slots.
Mobile network state-Connected
Service state-In service
Mobile voice network type-4g
Mobile data network types-4g
EID-unknown (??)
Click to expand...
Click to collapse
Here are various threads.. Not sure if there are answers. But again, it just worked for me.. Sorry I'm not more help.
https://forum.xda-developers.com/oneplus-6t/help/verizon-oneplus-6t-im-happy-one-t3863258
https://forum.xda-developers.com/oneplus-6t/help/feeling-6t-verizon-t3861188
https://forum.xda-developers.com/oneplus-6t/help/wifi-calling-incoming-phone-calls-text-t3863595
https://forum.xda-developers.com/oneplus-6t/help/verizon-to-to-sms-t3863352
crowsnestitsupport said:
Just got my device today so update time..
1: VoLTE works on Verizon by default as soon as you pop in the SIM. All the Verizon LTE bands seem to work fine.. in this area, 2,4,13, & 66. no option in the menu for wiFi calling, even though it works fine in my pixel 3 where my verizon SIM just was.
2: Neither VoLTE or VoWiFI work on AT&T by default. No option for either in the settings at all. So no change there from OP5/5T/6 ETC. However, if you go do the dialer, dial *#800# and hit enter, select oneplus logkit, scroll down to function switch and select it, and check the box for VoLTE switch and Vowifi switch and then reboot, it puts the VOLTE setting and VoWiFI setting in for both the Verizon and AT&T SIM. and while you can enable VoWIFI on both Verizon and AT&T, it DOES NOT work on either. On AT&T however, as long as you have a VOLTE capable/recognized IMEI on your AT&T account for your line, VoLTE/HD voice work just fine.
So, while it is amazing to have, for the first time ever a DUAL SIM phone that supports both VZW & AT&T at the same time, it is a too bad that VoWiFI does not work on either, Especially now that the Pixel 3 Supports it on both carriers.
Click to expand...
Click to collapse
So glad that I found this post. I am coming from an AT&T branded Galaxy S8 to my new OnePlus 6T. The above instructions worked like a charm for AT&T. I ran some tests. The OnePlus displays "HD" when I call my wife on her phone on AT&T and VoLTE shows in the status bar. When I toggle it back off I lose "HD" on the phone call screen. Also, LTE stays on during calls with VoLTE turned on and I ran a speedtest with it on and off and I definitely get 4G speed with it on and it downgrades to HSPA+ with VoLTE off and speed goes way down. Hopefully VoWIFI will be supported soon but that's not a deal breaker for me as I get great reception most of the time where I live, work and travel.
KOLIOSIS said:
Has anyone used the dialer code *#*#4636#*#* & try to toggle VoLTE &/OR VoWI-FI ?
Click to expand...
Click to collapse
I am on att had it all working on my unlocked NOTE 8. Now I can't even get volte cause it's all grayed out.
The service providers don't want you to buy unlocked phones. They make zero on them!! So that's why they block stuff. It's an antitrust lawsuit waiting to happen!! A$$h0!€$
Sent from my SM-N960U using Tapatalk
I've got AT&T as my primary and Verizon as #2. I just got off the phone with Verizon, told them I needed to add the CDMA Less feature to fix my texting. He checked a box on his end and I got a flood of texts in...what was even better, it was a work phone on a business account. I didn't even have to provide any real information to him and he was able to fix me up. He was aware of the issue though, he'd asked if it was a 6T from T-Mobile...so someone sent out a bulletin somewhere that he had read.
Anyway, I left Verizon to go to AT&T specifically for this plan of having one phone to cover 2 lines while one being fully functional (AT&T), so far it's been working well switching between SIMs for texting and making phone calls.
What were you specifically looking to find out?
Edit: found what you're looking for...however I'm not sure where those settings are even at.

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