VoLTE and Wifi Calling - HTC U11+ Questions & Answers

Does the U11+ support VoLTE and WiFi Calling ? How do you enable it, I can't find anything in settings.
My network (Vodafone Romania) supports it, and the HTC U11+ page says it is supported,
but in real use I don't see it. When I make a call it still changes the network mode from 4G+ to 3G for the call.
Any advice ?
It's an unlocked European version of U11+ (CID __34, Dual SIM, 6GB, 128 GB.), fully stock.

andreipaval said:
Does the U11+ support VoLTE and WiFi Calling ? How do you enable it, I can't find anything in settings.
My network (Vodafone Romania) supports it, and the HTC U11+ page says it is supported,
but in real use I don't see it. When I make a call it still changes the network mode from 4G+ to 3G for the call.
Any advice ?
It's an unlocked European version of U11+ (CID __34, Dual SIM, 6GB, 128 GB.), fully stock.
Click to expand...
Click to collapse
I wouldn't hold my breath for it to be honest. HTC need to push out an update to enable VoLTE for carriers in europe and they haven't done it for any country in the EU

HTC does not answer my question! I also want these two functions.

Related

[Q] HTC E8 Dual Sim (Indian) and 4G in Europe/Belgium

Hello,
I've an HTC E8 Dual Sim (from India) with software version 1.25.720.3. I would like a confirmation and some user experience that this phone works with European/Belgian LTE frequencies, especially 1800 - band 3
Indeed, according to my mobile network provider, the 4G is enabled on my simcard, but even if I'm supposed to be in a 4G covered area (and after restarting the phone), the mobile settings does not display the LTE/4G choices (I only see "Global mode", "CDMA Mode", "GSM/UMTS" choices).
Does anybody here can confirm he/she can use the same phone and access 4G/LTE with the same frequency used here in Europe?
Thanks in advance.
Yes it can
I face the opposite of your problem I have only 3G on my country but my phone support LTE so I will upload my TWRP backup of my rom to exchange it with TWRP backup of your rom if possible please confirm to start uploading [emoji4]

My data turns off while in a call

Using stock m9. Data 4g or other turns itself off when I start dialing and reconnects after I complete my call. Very frustrating when I need to search something while talking. Is there a setting I'm missing? Has anyone else noticed this?
yves.alexis said:
Using stock m9. Data 4g or other turns itself off when I start dialing and reconnects after I complete my call. Very frustrating when I need to search something while talking. Is there a setting I'm missing? Has anyone else noticed this?
Click to expand...
Click to collapse
Which operator? I hava the same problem using Vodafone
yves.alexis said:
Using stock m9. Data 4g or other turns itself off when I start dialing and reconnects after I complete my call. Very frustrating when I need to search something while talking. Is there a setting I'm missing? Has anyone else noticed this?
Click to expand...
Click to collapse
Probably, you are missing VoLTE. Without this technology when phone using 4g and receiving call, it jumps to wcdma (3G) to get call, but drops mobile Internet in this moment.
To get everything working need:
- Mobile operator, who supports VoLTE
- Phone. Mate 9 supports VoLTE on paper, but not in all roms and not in all regions. For example, owner is living in USA, but has Mate 9 with chinese Rom -> no VoLTE.
You will have to enable VoLTE in order to get rid of the trouble.
I have the same issue also. I own the dual SIM variant and use one card for calling and the other one for mobile internet. Whenever I start a call the mobile data connection is stopping. I tried to enable VoLTE with no success.
5[Strogino] said:
Probably, you are missing VoLTE. Without this technology when phone using 4g and receiving call, it jumps to wcdma (3G) to get call, but drops mobile Internet in this moment.
To get everything working need:
- Mobile operator, who supports VoLTE
- Phone. Mate 9 supports VoLTE on paper, but not in all roms and not in all regions. For example, owner is living in USA, but has Mate 9 with chinese Rom -> no VoLTE.
Click to expand...
Click to collapse
In the latest C432 roms Huawei has removed the possibility to enable VOLTE for Vodafone Italy.
This possibility was present only in the first 2 update.
derchrome said:
I have the same issue also. I own the dual SIM variant and use one card for calling and the other one for mobile internet. Whenever I start a call the mobile data connection is stopping. I tried to enable VoLTE with no success.
Click to expand...
Click to collapse
This is other case. If you are using one card for calling only, and second card for mobile internet only - you can't get call and mobile data together, cause Mate 9/Mate 9 Pro are DSDS phones (dual SIM dual standby)
To get what you want need have DSDA phone (dual SIM dual active). They are with two independent radio modules. Honor 8 for example.
Dsds phone has only one radio module but uses interchange method of work. On physical level it jumps from first sim to second then gets back to first. If you are in call with first sim, phone does not go to second -> no internet.

LTE 4G not working on both sim

I'm on 5.1.9 but despite i activated the option only the Sim used for data traffic can actually connect to 4G. The other Sim seems forced and stuck in 3G at 900MHz (band 8)
There's no use for LTE on the phone sim unless you are lucky to live in China, India or Finland AND use a sim card of the view carriers supporting VoLTE in the OP6.
No sense reply. OP declares dual 4G on both Sim. My phone supports 4g only one sim and the worse the secondary sim is locked on 3G band 8
Are you using any custom rom? i faced similar issue on havoc rom
bhanuprasad1981 said:
Are you using any custom rom? i faced similar issue on havoc rom
Click to expand...
Click to collapse
No. Pure stock 5.1.9
I had the same problem. But i went back to 5.1.8 and problem solved now dual 4g active.
Crazy but settings the phone on the English instead of my local language the problem seems gone.
I'm in America and I'm having the same problems after the 5.1.9 update, one SIM is always in regular GSM mode even with the dual-4G mode enabled.
Ramihyn said:
There's no use for LTE on the phone sim unless you are lucky to live in China, India or Finland AND use a sim card of the view carriers supporting VoLTE in the OP6.
Click to expand...
Click to collapse
That is completely false. Even T-Mobile in the US supports VoLTE. Even if it didn't though, it still allows for faster SIM switching since it was already on LTE.
Curious how you guys are checking it. Mine both say VoLTE and it seems to be fine for me.
I reset the network settings and it work for a few hours. The dual sim 4g instructions are broken .

HD Audio/ VoLTE

Is there a setting to enable VoLTE or some sort of HD phone call audio? I searched everywhere and i can't find something... The top speaker sounds like the other person is on speaker and talking from the bathroom...
Yes it's in the "Network and Internet" settings, under the "Mobile network" category.
Sorry if the labels are different on your phone. I'm using it in French.
Floflo81 said:
Yes it's in the "Network and Internet" settings, under the "Mobile network" category.
Sorry if the labels are different on your phone. I'm using it in French.
Click to expand...
Click to collapse
Nope...nothing there for me...
Weird. For me it's just below "Preferred network types"
dracushor87 said:
Nope...nothing there for me...
Click to expand...
Click to collapse
Floflo81 said:
Weird. For me it's just below "Preferred network types"
Click to expand...
Click to collapse
Hmm I don't have it here either.
O2 UK network.
Sony have WiFi calling either actually
It probably depends on the SIM card.
You could try asking your mobile network provider for a new SIM card. But I'm not sure at all that would fix this.
cd993 said:
Hmm I don't have it here either.
O2 UK network.
Sony have WiFi calling either actually
Click to expand...
Click to collapse
No option for VoLTE or WiFi calling here either - EE UK
I have try try to get it with the mod from Rogphone. No way...
O2 Germany
I changed the SIM card and nothing. Maybe a future update will enable it
I don't have the option either. I'm on the latest firmware (29.13.7.24)
Floflo81
Click to expand...
Click to collapse
My network operator is Orange/Sosh(France) and there is no option for the VoLTE.
Guys the truth is... The phone is compatible with only a limited set of band frequencies..
THIS MEANS
Volte, 4G 5G etc will ONLY WORK IF your cell phone provider has the same frequencies that the phone requires.
If you cant enable Volte, It wont work cause your phone is NOT capable of working on your Cell Providers cell tower freqncies. Each company uses a different Frequency
Here in USA
ATT will ONLY work upto 3g. You will see an H on top the signal bar which indicates a Enhanced 3g speed also know as HSPA speed connection. I have tried 2 new sim cards. I have tried several APN's I have tried all updates and a reset. No 4G and no 5G on ATT. Unless someone can tell me something new, this phone will not FULLY work on ATT. Text works. Calls work. Internet is sort of hit and miss with decent signal but again rather slow.
T Mobile will ONLY work upto 4g. No Volte although it seems to have the capability of Volte it cant not work with Tmobile Volte because it seems the cell bands are not compatible. Text work. Internet works rather fast, Good solid signal however no 5G and no Volte due to incompatible cell bands.
I did research on this subject and found that the ATT cell bands for everything including 5G do seem to be compatible with the 7 pro but again, it does not FULLY work oddly
I also did research on Tmobile cell bands and the bands for 5G are not even close to being compatible. Volte is also non compatible. 4g is compatible and works..
If someone has a magick wand which can somehow make these features work on this fone in USA Id be willing to send a donation..

Question S21+ exynos voLTE?

Hi, I bought s21+ exynos (with vodafone italia firmware) but even though I am using vodafone as carrier voLTE does not work. There is no more the option to activate it.
Do you experience the same problem?
Same phone here from Slovenia and with Volte option enabled in my phone...try asking Vodafone why u dont have Volte option or u can probably flash another firmware for ur device and see if that helps.
All those people getting excellent sot , how much it is of watching video on social media platforms ??
on my sm21+ itv version, volte works correctly with Tim
i left Vodafone because volte not working on my previous asus phone

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