Develop Bugs

N910V No signal in Argentina

Hello everyone,
I bought a Unlocked Note 4 from Verizon in USA. In Argentina I don't have signal. We use GSM so it should work right. I know this device has not root access. I just want to make some calls or messages.
It doesn't let me search network manually. It throws an error "error searching networks"
Android Version: 4.4.4
Network Mode: Global/GSM
Somebody could help me on this.
Thanks in advance.

fernandorado said:
Hello everyone,
I bought a Unlocked Note 4 from Verizon in USA. In Argentina I don't have signal. We use GSM so it should work right. I know this device has not root access. I just want to make some calls or messages.
It doesn't let me search network manually. It throws an error "error searching networks"
Android Version: 4.4.4
Network Mode: Global/GSM
Somebody could help me on this.
Thanks in advance.
Click to expand...
Click to collapse
I am in Europe past month, leaving to us in few days and was using my note4 in GSM mode all the time and switching between carriers on a prepaid sim. I would do factory reset or maybe get a new sim.
My prepaid sim allows roaming on all carriers.
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Sent from my SM-N910V using Tapatalk

I already flash the mobile with Odin thinking that the Android version might be the problem. It still not getting signal. I'll try with another SIM card.
Did you use others GSM carriers instead of T-Mobile?

fernandorado said:
I already flash the mobile with Odin thinking that the Android version might be the problem. It still not getting signal. I'll try with another SIM card.
Did you use others GSM carriers instead of T-Mobile?
Click to expand...
Click to collapse
Yes I roam on Plus Poland and Orange Poland with no issues.
Sent from my SM-N910V using Tapatalk

I tried with many SIMs, I flashed the device three times and I still having. So maybe there is a another issue. Please someone can help me. How is the Micro SIM should I use?

Which carrier are you using this on? Verizon has always used CDMA for 3G, not GSM. The Verizon Note 4 (SM-N910V) does seem to have limited GSM support, but it might not work on every GSM carrier.
This website seems to be pretty accurate: http://www.willmyphonework.net/

Acording to that page my phone should work perfectly
with 2G, 3G, 4G LTE.
I'm using:
Brand: Samsung
Model: SM-N910V
Country:Argentina
Carrier:Claro Argentina
I don't know what is the problem.:crying:

You may need to add new APN settings before it will work.
On mine, the option to add a new APN is disabled, but I'm actually using mine on Verizon with a Verizon SIM card, so I'd have no reason to edit the APN settings manually. Are you able to edit yours?

I already set the APN and nothing happens. I'm not sure APN could be the problem. Should be something else.

fernandorado said:
I'm not sure APN could be the problem.
Click to expand...
Click to collapse
If the APN settings aren't correct, it could absolutely be the problem. It's worth double checking.

APNs
I tried with severals APN and nothing happens.
-
-
I have an Oneplus One with the same APN and works perfectly. That's why I think the APNs are not causing the problems of signal. I still having no signal. I cant make neither a call nor send a message.

fernandorado said:
I tried with severals APN and nothing happens.
-
-
I have an Oneplus One with the same APN and works perfectly. That's why I think the APNs are not causing the problems of signal. I still having no signal. I cant make neither a call nor send a message.
Click to expand...
Click to collapse
what if you put it in GSM mode and then search for carrier and then try to register on it? that is how I Switch networks to roam on.

Select carriers
patt2k said:
what if you put it in GSM mode and then search for carrier and then try to register on it? that is how I Switch networks to roam on.
Click to expand...
Click to collapse
I did thit but the movile doesn't let me select networks to register on. I always get the error message "error while searching networks".

fernandorado said:
I did thit but the movile doesn't let me select networks to register on. I always get the error message "error while searching networks".
Click to expand...
Click to collapse
Hmm sorry bro not sure what is going on.. last thing I could suggest if you have some money to spare try any other sim card from different provider or ask a friend to swap it for a minute or two,anything to test that it's not your carrier somehow not wanting to work with VZW N4.

patt2k said:
Hmm sorry bro not sure what is going on.. last thing I could suggest if you have some money to spare try any other sim card from different provider or ask a friend to swap it for a minute or two,anything to test that it's not your carrier somehow not wanting to work with VZW N4.
Click to expand...
Click to collapse
I think this phone has the bands blocked. I do not know how to check this.

fernandorado said:
I think this phone has the bands blocked. I do not know how to check this.
Click to expand...
Click to collapse
Hey I read something couple days ago and forgot to get back at you.. I read somewhere if you block activation agent it should work some people on T-Mobile USA had the same issue. Use debloater to block activation agent on boot. They said this could be because the note could never been activated on Verizon even for 30 seconds and this is why it might be happening.
So block activation agent,and setup wizard so it's blocked on EACH BOOT.
Let me know

blindmanpb said:
If the APN settings aren't correct, it could absolutely be the problem. It's worth double checking.
Click to expand...
Click to collapse
I tried this but it did't work. I blocked everything from Verizon and I still without signal. :crying:

fernandorado said:
I tried this but it did't work. I blocked everything from Verizon and I still without signal. :crying:
Click to expand...
Click to collapse
Hmm I am running out of ideas bro. Is there any other provider you can try ?
Sent from my SM-N910V using Tapatalk

fernandorado said:
I tried this but it did't work. I blocked everything from Verizon and I still without signal. :crying:
Click to expand...
Click to collapse
Have u tried inserting dummy verizon sim?

I do not have any dummy sim from Verison.

US991 Unlocked - VoLTE or Simultaneous Voice & Data

Hi all,
I picked up an unlocked LG G4 US991 from Buydig via eBay the other day. I got the phone today and was on a call and needed to use data and realized that data did not work. I currently have a Verizon sim that I noticed it did not work on . I also have a T-Mobile sim. Is it possible to enable or use VoLTE or Simultaneous Voice & Data on the US991 with Verizon service or T-Mobile service?
I don't have the T-Mobile sim right now to test it out at the moment.
Thanks.

Since T-Mobile is a GSM carrier, WCDMA (3G GSM) does support simultaneous voice and data.

dennis5pia said:
Since T-Mobile is a GSM carrier, WCDMA (3G GSM) does support simultaneous voice and data.
Click to expand...
Click to collapse
Thanks for the reply.
I popped the T-Moble sim in over the weekend and was able to do simultaneous voice and data, which is great.
I just wish there was a way on this phone to do it on a CDMA carrier.

duke69111 said:
Thanks for the reply.
I popped the T-Moble sim in over the weekend and was able to do simultaneous voice and data, which is great.
I just wish there was a way on this phone to do it on a CDMA carrier.
Click to expand...
Click to collapse
CDMA does not support simultaneous voice and data unless the phone uses 2 radios.
Sent from my SM-G900V using XDA-Developers mobile app

duke69111 said:
Thanks for the reply.
I popped the T-Moble sim in over the weekend and was able to do simultaneous voice and data, which is great.
I just wish there was a way on this phone to do it on a CDMA carrier.
Click to expand...
Click to collapse
I am interested in your experience with tmobile service with this phone. I have read that some people had issues after upgrading to marshmallow. Wondering if those were just a couple isolated incidents. Could you share a little more info please? Thank you

dennis5pia said:
CDMA does not support simultaneous voice and data unless the phone uses 2 radios.
Sent from my SM-G900V using XDA-Developers mobile app
Click to expand...
Click to collapse
I'm sorry I should've been more specific. I meant VoLTE to support simultaneous voice and data on a CDMA carrier with this phone.

enginataman said:
I am interested in your experience with tmobile service with this phone. I have read that some people had issues after upgrading to marshmallow. Wondering if those were just a couple isolated incidents. Could you share a little more info please? Thank you
Click to expand...
Click to collapse
I'm not familiar with the issues, but so far so good with T Mobile's service. The phone came with lollipop installed and I upgraded it to Marshmallow over wifi before I popped in the T-Mobile sim card. The GF uses it with their service and has had no problems so far. All the different data modes work from LTE down to 2G, messaging and calls work as well.

duke69111 said:
I'm not familiar with the issues, but so far so good with T Mobile's service. The phone came with lollipop installed and I upgraded it to Marshmallow over wifi before I popped in the T-Mobile sim card. The GF uses it with their service and has had no problems so far. All the different data modes work from LTE down to 2G, messaging and calls work as well.
Click to expand...
Click to collapse
Exactly the same situation here = good.

Wifi Calling?
Hi. Thanks for the info.
Does US991 permit T-Mobile's Wifi Calling, which I believe is linked to its ability to provide free Gogo In flight free texting on major airlines?
--Scott

skatsinas said:
Hi. Thanks for the info.
Does US991 permit T-Mobile's Wifi Calling, which I believe is linked to its ability to provide free Gogo In flight free texting on major airlines?
--Scott
Click to expand...
Click to collapse
No it does not have the wifi calling ability. That only comes on T-Mobile branded phones.

I'm also wondering how to activate Advanced Calling on the US991 model for Verizon. I have it activated on my account I just cant seem to be able to make it work on the phone. Any help would be appreciated.

DestantionUnkwn said:
I'm also wondering how to activate Advanced Calling on the US991 model for Verizon. I have it activated on my account I just cant seem to be able to make it work on the phone. Any help would be appreciated.
Click to expand...
Click to collapse
From what I can see in the hidden settings menu, it is not possible. This version of the phone does not support VoLTE. When you click on VoLTE in the hidden menu it tells you something along the line of it not being supported.
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Yes, I have T-mobile and the US991 model works fine on this network.

https://support.t-mobile.com/thread/95578?tstart=0

Verizon and the OnePlus 3?

Howdy!
So I've read that the OnePlus 3 is not compatible with Verizon, but if you look at the bands it's only missing Band 13. Wouldn't the others still work?
Thanks!

I will report on July 1 when my opo arrives.
Sent from my Shield Tablet using XDA-Developers mobile app

Verizon's primary band is Band 13 (700c) according to this website below.
http://www.phonearena.com/news/Chea...on-T-Mobile-and-Sprint-use-in-the-USA_id77933

Maybe the band will become editable by a rom. But who knows

700mhz B13 is not really a "primary" band it just happens to be what Verizon first launched.
I highly doubt that we will see 700 B13 on the OPO3. Vzw is rumored to be rolling out B2 1900 but I'm not sure if it's officially launched in any markets. There is also the fact that vzw uses CDMA BC0 800mhz, which if I read the specs correctly is supported by the OPO3.
All this being said I doubt the OPO3 will work fully supported by vzw.
Of course there are some brilliant people in the xda community who can probably shed some more light on the subject.

It will work with Verizon 3G I saw in a review video. Not LTE tho.
Sent from my VK815 using XDA-Developers mobile app

It has LTE bands 2 and 4, thus if VZW has LTE bands 2/4 in your area then it should work. I'm having issues getting the LG-H830 working, but it doesn't have CDMA. It connects to band4 in my area but no icon, since I believe it needs CDMA for auth.
I haven't tried this yet but you may be able to add band 13
http://forum.xda-developers.com/galaxy-s5/general/how-to-add-rf-lte-frequency-bands-to-t2886059

Do you think a call to VZW customer care would allow one to know what bands are in an area? You'd obviously need to get an upper level service tech on the line...but could they tell you?

SOCOM-HERO said:
Do you think a call to VZW customer care would allow one to know what bands are in an area? You'd obviously need to get an upper level service tech on the line...but could they tell you?
Click to expand...
Click to collapse
I would say waste of time based on my experiencettalking to them. Better off using apps to figure it out. If you don't have Verizon, just visit the store nearest to you and install LTE Discovery on a display phone.
Sent from my rooted and BL unlocked LG-H830 using XDA-Developers app

Skizzy034 said:
It will work with Verizon 3G I saw in a review video. Not LTE tho.
Sent from my VK815 using XDA-Developers mobile app
Click to expand...
Click to collapse
Can you post the link to this review video please?

Skizzy034 said:
It will work with Verizon 3G I saw in a review video. Not LTE tho.
Sent from my VK815 using XDA-Developers mobile app
Click to expand...
Click to collapse
Why would it not work on LTE? It supports bands 2 and 4. If your area is VZW band 13 only then yeah it won't get 4g signal.
Sent from my rooted and BL unlocked LG-H830 using XDA-Developers app

Surprisingly Skizzy034 is correct, 3G (eHRPD) works. I had to enable data roaming first, but I can make/receive calls, sms, mms, and cellular data.
I've also been able to force a connection to LTE. However, when I do this sms, mms and calls don't work (data only).
Basically there is no transition between 3G and 4G.
I've messed around with the build.prop to see if I can get the phone to treat 4G as the preferred connection and only use 3G for sms, mms, and calls but I havent made any progress.
I'm confident that with help from the dev community we can actually get this thing working fairly well on vzw.

cdkg said:
Surprissingly Skizzy034 is correct, 3G (eHRPD) works. I have to enable data roaming first, but I can make/receive calls, SMS, mms, and accedd mobile data.
I've also been able to force a connection to LTE. However, when I do this sms, mms and calls don't work. All that works is data
Basically there is no transition between 3G and 4G.
I've messed around with the build.prop to see if I can get the phone to treat 4G as the preferred connection and only use 3G for sms, mms, and calls but I havent made any progress.
I'm confident that with help from the dev community we can actually get this thing working fairly well on vzw.
Click to expand...
Click to collapse
Did you pull the VZW apn xml file from a VZW phone and swap out yours? I can send if needed. I would like to buy OP3 and I use Verizon, so I'm definitely interested in what you're trying to accomplish.
What do you mean by forcing LTE? Setting RAT to LTE only?
Sent from my rooted and BL unlocked LG-H830 using XDA-Developers app

The APNs appear to have auto configured (attached a screenshot).
When I say "forced into LTE" I have manually changed the RAT to LTE only. This only appears to only work consistently on CM based roms. I did get OOS to lock onto LTE once but I've not been able to do it again.
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cdkg said:
The APNs appear to have auto configured (attached a screenshot).
When I say "forced into LTE" I have manually changed the RAT to LTE only. This only appears to only work consistently on CM based roms. I did get OOS to lock onto LTE once but I've not been able to do it again.
Click to expand...
Click to collapse
If you set RAT to auto do you get both CDMA and LTE? On stock vzw phones, it seems multi APNs are used (VZWIMS and vzinternet)
Were you able to unlock band 13 (http://forum.xda-developers.com/galaxy-s5/general/how-to-add-rf-lte-frequency-bands-to-t2886059)? What LTE band are you connected to? LTE Discovery app from play store can provide that info if you need.
Have you tried:
telephony.lteOnCdmaDevice=1
ro.telephony.default_network=10 ro.cdma.home.operator.alpha=Verizon ro.cdma.home.operator.numeric=311480 gsm.sim.operator.alpha=Verizon gsm.sim.operator.numeric=311480 gsm.operator.alpha=Verizon gsm.operator.numeric=311480
Sent from my rooted and BL unlocked LG-H830 using XDA-Developers app

I have not tried any of those things.
I'm hesitant to bother with attempting to unlock band 13. I spent a lot of time working on that on my opo1 and didn't work.
But I'm willing to give it a shot. I'm on vacation and don't have access to a PC so gonna be a few days. But I can apply the build.prop edits in the next few hours.

I made the build.prop edits you suggested jhasty01. Unfortunately they had no effect.
I'm going to work on unlocking Band13. Because I'm a market that is almost 100% covered by Band4 it is difficult to tell if Band13 is actually working. Perhaps I could disable Band4 but I'm hesitant.
I'm really hoping some of the devs who have worked with RIL can land a hand.
The larger obstacle is getting the RAT to conditionally handoff.

Any updates? Hoping so, would like to buy!

Some possibly helpful information from https://forums.oneplus.net/threads/trying-to-get-op3-working-on-verizon.452925/
Not sure if this is the case for Verizon but it is a known issue for ATT customers have LTE connection issues.
CAUSE: The IMEI for both sim slots are listed to only be set to receive 2G (H), hspa network. So if you contacted your service provider and registered your sim card with either of OP3 IMEI's, then you will not get LTE.
WORKAROUND: get your service provider to put your IMEI back to a previous phone that had LTE service.
NOTE: I had the same issue because I had to get a new Sim card because I went from a microsim to a nanosim. You access your phone information, by dialing *#*#4636#*#*. It will show your "Network type" only as hspa instead of LTE. There is no way to force it to LTE on your end, you have to contact your service provider.
Click to expand...
Click to collapse
Make sure you enabled roaming!

*Update*
Using qpst+qdxm I attempted to set radio/modem to prefer vzw bands and possibly enable B13. I was able to make the changes but the NVRAM resets to default values after power cycling. There is an NVRAM patch for the OnePlusOne which I flashed but it did not play well with the OPO3 and resulted is reboots and black screens. I tested all this on one of the recent CM builds.
I modified the build.prop to force "LTE only" (ro.telephony.default_network=11). Since I use Google Voice/Hangouts for calls and text I can make due.
I have reached out to @Mentor.37 who has been helping patch CDMA phones with GSM caoabilities to work better on GSM networks. He understands what the goal is and said mid-late August he should be able to help. @jhasty1 I only get 3G/eHRPD when roaming is enabled. No matter what ROM the RAT will not automatically transition from 3G44G. I have tried almost every ROM and modified what I thought might help with in the build.prop.
@jhasty1, as for the thread you mentioned (https://forums.oneplus.net/threads/trying-to-get-op3-working-on-verizon.452925/) there is a lot of conflicting information. There are many who say the OPO3 will not work on VZW. Well it is working, I'm using it to write this. I also had the OPO1 working on VZW using B4 LTE data.
As it stands, unless forced into "LTE only" the default RAT is 3G/eHRPD.
If we get some dev support I believe the phone could work very well.
---------- Post added at 02:40 PM ---------- Previous post was at 02:25 PM ----------
I've been able to attach to LTE on bands 2,4 and 5. Now as far as I know vzw has not began using band 5. I think what's happening is I'm roaming on att for some reason.

VoLTE notification

I turned on enhanced LTE in cellular networks to turn on VoLTE but I keep getting a notification for it. Is there something else I need to do? It seems to only pop up when I'm on Wi-Fi. Pic attached
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Sent from my ONEPLUS A3000 using Tapatalk

As for as I know the Oneplus 3 does NOT support VoLTE. However, it's interesting to see this notification. Does anyone know more about that?

Dabarr said:
As for as I know the Oneplus 3 does NOT support VoLTE. However, it's interesting to see this notification. Does anyone know more about that?
Click to expand...
Click to collapse
Just that there's an enhanced LTE option in the settings menu and it pops up when I turn it on.
Sent from my ONEPLUS A3000 using Tapatalk

Well, just did a very quick research and it turns out the it does support VoLTE on T-Mobile, but I guess that statement is for the US only.
Is there any way to find out if that is also valid for the German T-Mobile and/or other networks, since we use other bands too? (I don't have the phone yet).

Dabarr said:
Well, just did a very quick research and it turns out the it does support VoLTE on T-Mobile, but I guess that statement is for the US only.
Is there any way to find out if that is also valid for the German T-Mobile and/or other networks, since we use other bands too? (I don't have the phone yet).
Click to expand...
Click to collapse
I'm on T-Mobile USA. It just keeps popping up when I'm on Wi-Fi which is kind of annoying. Guess I can just block the notification.
Sent from my ONEPLUS A3000 using Tapatalk

Dabarr said:
Well, just did a very quick research and it turns out the it does support VoLTE on T-Mobile, but I guess that statement is for the US only.
Is there any way to find out if that is also valid for the German T-Mobile and/or other networks, since we use other bands too? (I don't have the phone yet).
Click to expand...
Click to collapse
You are wrong. It supports VoLTE globally. I am using it in India.

I had those information from some reviews that stated it couldn't. Apperently the providers have to unlock each specific phone type to use VoLTE. T-mobile germany didn't so it yet and have currently no plans to do it for oneplus 3 nor even nexus.

stab244 said:
I'm on T-Mobile USA. It just keeps popping up when I'm on Wi-Fi which is kind of annoying. Guess I can just block the notification.
Sent from my ONEPLUS A3000 using Tapatalk
Click to expand...
Click to collapse
I had to "enable" VoLTE on my MotoX PE (on T-Mobile USA) and I am wondering if you need to do the same... Not sure if this will work on a OnePlus 3 but try this sequence from the phone dial pad: *#*#4636#*#*
this will either do nothing, or enable a hidden (testing) menu (I am not sure if this is baked into Android or device-specific, but you will see). If you get the "testing" menu, go into "Phone Info" and scroll down to "Turn On VoLTE Provisioning Flag" and tap once (if it says "Turn OFF..." try toggling off then back on).
I am considering the OnePlus 3 (on T-Mobile in US) and would like to hear your feedback. On a side note, do you know if Wifi-Calling works for you? Try enabling "Airplane Mode" and then turning on Wifi and making a call... Also, I have heard you should have "WiFi-Calling" in your Settings if it is supported? Thanks in advance for your response!

ech1253 said:
I had to "enable" VoLTE on my MotoX PE (on T-Mobile USA) and I am wondering if you need to do the same... Not sure if this will work on a OnePlus 3 but try this sequence from the phone dial pad: *#*#4636#*#*
this will either do nothing, or enable a hidden (testing) menu (I am not sure if this is baked into Android or device-specific, but you will see). If you get the "testing" menu, go into "Phone Info" and scroll down to "Turn On VoLTE Provisioning Flag" and tap once (if it says "Turn OFF..." try toggling off then back on).
I am considering the OnePlus 3 (on T-Mobile in US) and would like to hear your feedback. On a side note, do you know if Wifi-Calling works for you? Try enabling "Airplane Mode" and then turning on Wifi and making a call... Also, I have heard you should have "WiFi-Calling" in your Settings if it is supported? Thanks in advance for your response!
Click to expand...
Click to collapse
Couldn't toggle the option in the testing menu. It would still say turn off no matter how much I pressed it. And no Wi-Fi calling.
Sent from my SHIELD Tablet K1 using Tapatalk

can someone screenshot me where this is? I have no "enhanced LTE" in mobile networks on my op3 eu version

stab244 said:
Couldn't toggle the option in the testing menu. It would still say turn off no matter how much I pressed it. And no Wi-Fi calling.
Sent from my SHIELD Tablet K1 using Tapatalk
Click to expand...
Click to collapse
If it defaults to read "Turn Off" then it is turned on (enabled in software)... That's too bad about Wifi-Calling... That's a feature every new device should be able to support...

Do you stay on LTE when making calls? (T-Mobile)

Pat123 said:
You are wrong. It supports VoLTE globally. I am using it in India.
Click to expand...
Click to collapse
Anyone using the OP3 on Reliance Jio network in India,
Is VoLTE working?

Tapur007 said:
Anyone using the OP3 on Reliance Jio network in India,
Is VoLTE working?
Click to expand...
Click to collapse
Yes, I have been using it on JIO from Day 1. Ofcourse, you have to set the other Sim to 2G or 3G mode and use JIO sim for Data in Settings. Works alright after that.

charlieb620 said:
Do you stay on LTE when making calls? (T-Mobile)
Click to expand...
Click to collapse
It stays on LTE when I make a call.
Edit: Of note LTE discovery says I'm on band 4 when I made that call. I thought VoLTE for T-Mobile was over band 12 only?
Sent from my ONEPLUS A3000 using Tapatalk

Anyone found a solution to actually turn off this notification?
We all agree it has VOLTE but the OP wanted to know how to get
rid of this message and so do I!

charlieb620 said:
Do you stay on LTE when making calls? (T-Mobile)
Click to expand...
Click to collapse
VoLTE works great on T-Mobile!

​
Armeniandave said:
Anyone found a solution to actually turn off this notification?
We all agree it has VOLTE but the OP wanted to know how to get
rid of this message and so do I!
Click to expand...
Click to collapse
Hi there I had that notification while ke on wifi, I just swyped it away and have not seen it back since. Will report if it appears back.

You have to change your APN to T-Mobile IPV6 and it will go away. I'm on T-Mobile and I am getting volte.

blinkme2028 said:
You have to change your APN to T-Mobile IPV6 and it will go away. I'm on T-Mobile and I am getting volte.
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Didn't work for me. Still have the notification. And it keeps popping back when I clear it out and connect to the LTE network.
Sent from my ONEPLUS A3000 using Tapatalk

Question Volte

Has anyone had this working yet, does it even have an icon to show its on because my network provided said the Pixel 6 has no option in the menu, does it even show on the phone if its working/on?

VoLTE is working fine with EE in the UK. There are no signs it is working from what I can see, except for the fact it stays on 4G rather than drop to 3G. I've had HD calls (shows the tiny HD icon when the call connects) on 4G as well.

You can check using the phone service menu (*#*#4636#*#* or a version of the same... I always have to check!).
Mine shows volte provision as on (EE UK)

Mine is greyed out
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Shipoftheline said:
Mine is greyed outView attachment 5445219
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It depends on your carrier.
Some offer the ability to activate it on your own (call a number, send an SMS), some activate it automatically, some won't even give you the ability to deactivate it/activate it yourself.
It needs to be activated and attached into the carriers system as an information that it's activated for your contract.
Are you sure that VoLTE is activated properly?
I have no problems with activating it on my phone.

Morgrain said:
Are you sure that VoLTE is activated properly?
I have no problems with activating it on my phone.
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I've been in touch with them today and Volte is active on their side but I've got no option

Same problem here ... Youfone network in Belgium ...
VoLTE works fine when I put the SIM card in my OnePlus 8 phone.
VoLTE does not work on the P6P if I insert the SIM card there.
I chatted to a Google support guy, he said it definitely is the provider whi must change something ... they claim the P6P supports VoLTE properly ...
But that is strange to me ... why would the SIM card have VoLTE in OnePlus phone and not in P6P? Could the provider really fix that? I doubt it ... but I am not a VoLTE specialist. I will contact provider anyway to see what they have to say.

Hmm ... I checked my provider's website ... they (explicitly) say that VoLTE is availabe for the following phone brands: Apple, Huwai, LG, OnePlus, Samsung, Sony, Nokia, Oppo. So maybe indeed the provider has to "activate" it for specific models/phones ...

I'm told after checking settings that Volte is switched on in fact it can't be turned off due to the carrier config file, greyed out on 'yes' however no Volte working.
The phone supports all the bands so this has to be an issue with the phone itself

Morgrain said:
Are you sure that VoLTE is activated properly?
I have no problems with activating it on my phone.
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No option for Volte and carrier confirms this, Google has hidden it for some reason

Hmm ... see attach. Same issue here. VoLTE works on my OnePlus, does not work on P6P. Chatted with Google support (see attach); they claim it is the provider who has to activate it for the P6P model (which I find strange). I will check with my provider (but I'm pretty sure they will bounce me back to Google). Ping pong.

So I hate volte because if my phone signal is weak and it decides to call over data the call gets all distorted and robot like if you know what I mean!! So I always turn this feature off, normally! Been a Samsung user for years and always had a setting to turn volte off via the SIM/network menu, well as it seems I've had a few of the distorted calls and gone to turn of volte but not a setting in sight and I think I may have figured it out. Seeing this post triggered me look into it deeper and after using that phone code above to establish that the carrier volte setting is switched on but greyed out, as somebody posted above made me switch my SIM to My S20 and check the volte and I can confirm that although the mobile provider has it switched on permanently for active Sims the phone has the hardware to switch it off.
If you look at the screenshot from my Pixel 6 Pro and read what toggling the WiFi Calling switch does, it actually states "When Wi-Fi calling is on, your phone can route calls via Wi-Fi networks OR YOUR MOBILE'S NETWORK"
What I take from that is the toggle on/off is for both WiFi Calling and volte at the same time and we can't have them as independent switches like on my S20 and probably other phones. It makes sense as to why none of us can turn it off, which is cr*p. Especially when my mobile signal is dodgy in my house so I relay on WiFi Calling and sometimes as I have 2 AP's I could have low WiFi signal so it decides to use volte but my mobile signal is also weak thus making my robot distorted calls to happen. I'll be sending feedback via about/send feedback to Google and just hope somebody picks up on it.
Do you agree?
Unless I'm missing something then appolgies for waisting your time.
If you do agree please could you send feed back to Google via "settings/about phone/send feedback about his device" as the more reports they get we have a better chance of the toggles being separated.

m1ckbr1t said:
If you look at the screenshot from my Pixel 6 Pro and read what toggling the WiFi Calling switch does, it actually states "When Wi-Fi calling is on, your phone can route calls via Wi-Fi networks OR YOUR MOBILE'S NETWORK"
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I don't even have a setting 'Wifi calling' ... so I guess this is present in your case exactly because VoLTE is enabled.

foobar66 said:
I don't even have a setting 'Wifi calling' ... so I guess this is present in your case exactly because VoLTE is enabled.
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Have you opened settings and searched for wi-fi calling?? See screen shot. I'm guessing you have and if it's not there then possibly your network provider doesn't support either... Is your phone on the latest firmware?

m1ckbr1t said:
Have you opened settings and searched for wi-fi calling?? See screen shot. I'm guessing you have and if it's not there then possibly your network provider doesn't support either... Is your phone on the latest firmware?
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I do not have a setting when I search for "Wifi call". My phone is on the latest (November) firmware.

foobar66 said:
I do not have a setting when I search for "Wifi call". My phone is on the latest (November) firmware.
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That's strange and does your mobile network support both WiFi Calling and VoLTE services? If so then all I could possibly suggest is maybe a factory reset, making sure all your data is backed up first of course. It's a bit drastic I know but sometimes it does fix issues especially if the update missed some steps out when it was applied.

m1ckbr1t said:
That's strange and does your mobile network support both WiFi Calling and VoLTE services? If so then all I could possibly suggest is maybe a factory reset, making sure all your data is backed up first of course. It's a bit drastic I know but sometimes it does fix issues especially if the update missed some steps out when it was applied.
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Well, VoLTE for sure, when I put the SIM card in my OnePlus phone I have VoLTE (not wifi calling; that may be the reason why I don't see the entry in settings).

foobar66 said:
Well, VoLTE for sure, when I put the SIM card in my OnePlus phone I have VoLTE (not wifi calling; that may be the reason why I don't see the entry in settings).
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Quite possibly, like you can't have one without the other... If I'm correct that they have a joint on/off switch I really hope Google fix it. Hope you manage to get something sorted.

This is a carrier setting first and foremost. My phone came with it enabled on EE here in the UK, but not explicitly. I have Wifi Calling enabled on my phone as well, and I believe that works for wideband voice calls.
I've tried both VoLTE (unmarked in status bar, just as "HD" in call log) and VoWifi, both seem to work with my P6P.

Update: I've had one call where its shown as HD (Volte) on my call log even though the areas I go are all covered by Volte so I'm going to guess this is down to the rather poor modem on this handset which shows weak signal strength compared to my last handout (Oneplus 8 Pro)