yashsingh1/xdaforums huggingface dataset:
[Xiaomi Poco F1 Guides, News, & Discussion] der_Kief:
First of all a BIG thanks to ed-gonzo

He made this possible :)

This is the instruction to activate VoWiFi / WLAN Call on the Poco F1

Its tested and verfied to work with EU ROM (Oreo , Pie and Q based) and german provider o2 (Telefonica)

Before you read on i want to make clear that I am not responsible for bricked devices !

Basic requirements are root rights to do this mod

Maybe latest 2020 Qualcomm Diag QD-Loader Windows 10 Drivers signed are needed for this to work.

!!! Before doing this Mod you should backup EFS-partition !!!

- download QPST tool and install

- enable USB debugging in Developer settings

- now either go to terminal app and type:

su
setprop sys.usb.config diag,serial_cdev,rmnet,adb

or

adb from PC

adb shell
su
setprop sys.usb.config diag,serial_cdev,rmnet,adb

- connect Poco F1 with original USB cable to PC

- start PDC (from QPST tool) on PC

- Poco F1 should be recognized by PDC (if not install Qualcomm driver and check Device Manager)

- activate corresponding profile (in case of german o2 its DT_Greece)

- install VoLTE & VoWiFi Enabler Magisk module (optional) or activate setting with dialer code *#*#869434#*#*

- restart Poco F1

- Voila
[Xiaomi Poco F1 Guides, News, & Discussion] der_Kief:
FAQ:

Q: What are the requirements for VoWiFi

A: A provider resp. plan which includes VoWiFi

Q: How to know if VoWiFi is working ?

A: Put phone in airplane mode and reactivate WiFi only. If you are able to make a call then VoWiFi is working.

Q: Does this only work with MIUI ROM ?

A: No ... its reported to work also on Custom ROMs like LOS, crDroid ...
[Xiaomi Poco F1 Guides, News, & Discussion] saski4711:
Thx for this guide! Have been waiting for this.

Does this work with custom ROM (LOS)?

in case of german o2 its DT_Greece? are you sure? german carrier and greece? ;)
[Xiaomi Poco F1 Guides, News, & Discussion] der_Kief:
in german forum there is a user who has it running.... but it seems that LOS has no icon for VoWiFi

But nlow ...

yes indeed DT-Greece for german o2 :)

I have it up and running ...
[Xiaomi Poco F1 Guides, News, & Discussion] saski4711:
Ok thx will give it a shot as soon as I get access to a windoze PC :highfive:
[Xiaomi Poco F1 Guides, News, & Discussion] saski4711:
Ok this definately didn't work on my Poco-f1 with latest LOS16 and 8.11.15 vendor/fw. Funny thing that VoLTE now seems to be gone (Device switches back to H+/E). Got it back by restoring efs. Has anyone else been successful with this running custom ROMs? Even without this "hack" I have been able to activate VoWIFI after 8.11.5 update but it didn't work so I guess this depends on FW version.

Two things - a little offtopic though: Any Idea if this can be tried on the MiA1? I suspect that xiaomi doesn't include support in it's firmware for this device at all and I 'm afraid to cripple both my devices (Poco and MiA1) at the end ;).

Has anyone had success getting HDVoice with BT headsets on the Poco-f1 with custom ROMs? Sorry for asking this here but in the LOS thread I seem to get ignored with this question / bug report.
[Xiaomi Poco F1 Guides, News, & Discussion] der_Kief:
[MENTION=7578449]saski4711[/MENTION]

to bad that its not working for you.

It defintively works with EU ROMs based on Oreo or Pie.
[Xiaomi Poco F1 Guides, News, & Discussion] der_Kief:
Double post

*deleted*
[Xiaomi Poco F1 Guides, News, & Discussion] saski4711:
Yeah bummer. Will give it another shot the next days maybe I messed up somewhere. Isn't this device supposed to get VoWIFI by default with the Pie update anyway? Maybe this will work OOTB with final pie?
[Xiaomi Poco F1 Guides, News, & Discussion] Dilesh Perera:
not works with EU pie rom to me too. from Sri Lanka we have VOWIFI network. tried switching many profiles but not works .
[Xiaomi Poco F1 Guides, News, & Discussion] der_Kief:
Dont know ... i'm on Stable EU ROM 10.0.6.0 (based on Oreo)
[Xiaomi Poco F1 Guides, News, & Discussion] sanjay0501:
I know for sure it worked out of the box after pie update on stock beta with a service provider in Greece.

Can make settings appear with *#"#vowifi#*#* but being in India don't think providers support vowifi so doesn't work.
[Xiaomi Poco F1 Guides, News, & Discussion] der_Kief:
How can you be sure then?

Enabling the VoWiFi option doesnt mean its working !
[Xiaomi Poco F1 Guides, News, & Discussion] sanjay0501:
2 diff statement.

Can enable with code but doesn't work in india.

It worked for a friend in Greece without doing anything immediately after pie update.

What I was suggesting that maybe and just maybe if provider supports it ,vowifi can be enabled simply by code.
[Xiaomi Poco F1 Guides, News, & Discussion] SatBandit:
It is working perfect. I did some test calls on wifi. Thumb up..... BTW I'm on German Telekom D1
[Xiaomi Poco F1 Guides, News, & Discussion] der_Kief:
could you please tell us which ROM you are using and which profile you activated within PDC ?
[Xiaomi Poco F1 Guides, News, & Discussion] SatBandit:
I'm using 8.11.27 global beta and I modified the DT_greece section. Set sub0 and sub1 to active.

Opened dialer and dialed *#*#vowifi#*#*
[Xiaomi Poco F1 Guides, News, & Discussion] gwolfu:
ok this works, just needed a bit more work for WoWiFi in my case

after a reboot it kept returning to my default carrier config (VoLTE working just fine anyway)

so what I did was to remove my carrier config from within PDC Tool, just that by doing that it defaulted to a non-VoLTE config

well, removed that also and this time it kept DT_Greece config on both subs

VoLTE works and VoWiFi also :) (carrier Orange Romania)

ps. don't restart phone if you want to test new configs

just click on activate and enter airplane mode then exit (keeps testing faster)
[Xiaomi Poco F1 Guides, News, & Discussion] noobtoob:
I've gotten as far as I can with my Mi Mix 2S, works on both AOSP and MIUI to allow the radios to be enabled, and the settings to appear in MIUI (AOSP usually shows them anyway).

With this said, I tried only enabling the WiFi option on the carrier that already had the sim activated...

I see many people here on different carriers in the EU who enabled the DT_Greece options and voila. Is this an accurate conclusion? I'm wondering if I just need an answer from a carrier other than my own to acknowledge the WiFi option exists to turn it on? Being in the US it seems as if the DT_Greece config could cause some problems, but it's not an option in my list. I don't know at this point. :confused:

Edit:

Tried all the US bands and even a few others, specifically ones that said WiFi. None worked so far, I'm going to cry! :crying::crying::crying:
[Xiaomi Poco F1 Guides, News, & Discussion] Mario223:
I tried this on a Redmi Note 5 Pro but after selecting the device in PDC it throws an error message and doesn't show the list of carriers.

I've tried QPST 2.7.420 and 2.7.474 and a couple different pie roms, windows 7 and 10 but it always fails.

I can use EFS Explorer and dump the NV data just fine though...
[Xiaomi Poco F1 Guides, News, & Discussion] propi62:
im on swiss sunrise (yallo) network

on my Mi A3 with evolutionX Rom android 10, the VOLTE calls always showed unknown caller whene someone called me.

could fix this by changing to greece with PDC.

VOWIFI also working. (no vowifi icon apears but it works)

Thank you very much
[Xiaomi Poco F1 Guides, News, & Discussion] T00bN00b:
I recently updated my Pocophone from Miui 11.0.6.0 to 11.0.8.0 (dirty flash) and lost VoWifi.

Now I can't access settings in PDC, cause the phone isn't recognized and dropdown menu stays empty.

Did anyone get VoWifi working under 11.0.8.0 on Pocophone?
[Xiaomi Poco F1 Guides, News, & Discussion] saski4711:
What ROM did you flash? Did you check your carrier settings? Maybe it got disabled somehow.

I did a self-build of crdroid 6.6 this morning including 11.0.8.0 vendor from github, flashed firmware than crdroid and cleaned the cache afterwards. VoLTE and VoWifi is still there for german o2-de.
[Xiaomi Poco F1 Guides, News, & Discussion] T00bN00b:
I used original miui stock rom. Carrier settings are still ok. I mangaged to get PDC recognizing the device but I get "QMI connection not ready, please ue USB driver 1.00.32. or later and fix the connection before using PDC tool" when I want to access it.

It worked perfectly unter 11.0.6.0 but even downgrading did not fix the problem. Very strange.
[Xiaomi Poco F1 Guides, News, & Discussion] saski4711:
Did you backup your EFS by any chance?
[Xiaomi Poco F1 Guides, News, & Discussion] T00bN00b:
Unfortunately not. I only backuped data, system and boot.
[Xiaomi Poco F1 Guides, News, & Discussion] saski4711:
Maybe going back to MIUI 11.0.4.0 helps. With that I was able to use PDC. After that I've switched to crDroid managed to upgrade the firmware to 11.0.6.0 and 11.0.8.0 keeping VoWifi w/o touching EFS. Otherwhise I'm out of ideas. You can try to seek help here: https://www.android-hilfe.de/forum/xiaomi-pocophone-f1.3379/vowifi.894281.html

however it's all in german unfortunately. Good luck.
[Xiaomi Poco F1 Guides, News, & Discussion] T00bN00b:
That shouldn't be a problem since I'm German :)

Thank you very much for your help, I'll try going back to 11.0.4 tomorrow.

Ok, so after reinstalling drivers, QPST-Tools, trying different USB-Ports and Cables, I got it working again.
[Xiaomi Poco F1 Guides, News, & Discussion] posedys:
Ayuda en mí 9t pro no tengo ni llamadas x wifi ni volte no se cómo activarlo poseo la

Hola se que no es del mi9 t pro esto pero quisiera saber si se puede hacer en este móvil xq no poseo ni volte ni llamadas por wifi adjunto la imagen gracias

----------

MOD EDIT: English Translation Below

Help me 9t pro I don't have calls by wifi or back I don't know how to activate it I have the

Hello I know it is not from the mi9 t pro this but I would like to know if it can be done on this mobile because I do not have or turn around or calls by wifi I attach the image thanks
[Xiaomi Poco F1 Guides, News, & Discussion] kuzorra:
(German here as well)

After a long struggle I've also managed to activate voWIFI for the first time :cool:

I was on HavocOS (no voWIFI with German provider o2) and was not able to connect to PDC. ("QMI connection not ready...")

So I went back to Stock MIUI 11.0.8 last night and then I was able to change the profile to DT_Greece in PDC. It took a minute or two (no reboot) and then I was able to make my first voWIFI call (on my poco) ever :D

Still my Pocophone gets switched back to "no voWIFI possible" after reboot - can I safely delete the profile that gets selected as standard?
[Xiaomi Poco F1 Guides, News, & Discussion] T00bN00b:
Have you activated Sub0 and Sub1 in QPST and have you activated vowifi with dialer code *#*#869434#*#* ?

Try to activate them and do a restart of your phone right afterwards.

Afaik deleting a profile has never been necessary by now and brings its own risks. But if you want to give it a try anyway, you better make sure to have a backup of EFS-partition just in case anything goes wrong or isn't working properly anymore afterwards.
[Xiaomi Poco F1 Guides, News, & Discussion] kuzorra:
Hm, now the selection persists across a reboot and I still have voWIFI. Will have to monitor this....

Unfortunately the tiles in the pull-down menu are not working, I'm not keen on reflashing :rolleyes:

(I'm not the only one facing this, see also here https://xdaforums.com/showpost.php?p=82747703&postcount=93)
[Xiaomi Poco F1 Guides, News, & Discussion] kuzorra:
The issue with the tiles is solved by resetting the QS tiles:

adb shell settings put secure sysui_qs_tiles default

from terminal emulator on android:

su

settings put secure sysui_qs_tiles default

https://xdaforums.com/showpost.php?p=82747935&postcount=95
[Xiaomi Poco F1 Guides, News, & Discussion] josvic:
Does not support on MIUI 12, any suggest???
[Xiaomi Poco F1 Guides, News, & Discussion] MiPiMok:
I don't know if that answers your question, but under MiuI12 as for the 11s version : After root, I edit the build.prop file in the "system" folder by adding these lines:

persist.dbg.ims_volte_enable=1

persist.dbg.volte_avail_ovr=1

persist.dbg.vt_avail_ovr=1

persist.dbg.wfc_avail_ovr=1

persist.radio.rat_on=combine

persist.radio.data_ltd_sys_ind=1

persist.radio.data_con_rprt=1

persist.radio.calls.on.ims=1

I'm on Miui 12 xiaomi.eu version 12.0.1.0
[Xiaomi Poco F1 Guides, News, & Discussion] Bogdan1101:
My carrier is Digi Romania, please help me to activate VoWifi. Thank you.
[Xiaomi Poco F1 Guides, News, & Discussion] Bogdan1101:
The phone dont save the profile..

I have one problem. I activate one profile and set active for sub1 and sub2 but after restart dont work anymore and profile look like this. Please help.[IMG="profile"]https://i.imgur.com/JKqAO2z.png[/IMG]
[Xiaomi Poco F1 Guides, News, & Discussion] baddevil2:
Hey guys,

does someone of you have working VoWifi with german telekom discounter (basically Congstar) like ja! mobil, penny mobil, ...
[Xiaomi Poco F1 Guides, News, & Discussion] UsAs:
Seems like it's not working. When calling there is no "HD" in the display. Maybe it's not working. I'm on crDroid 6.10. PDC tool is not working on non stock roms. No chance :eek:
[Xiaomi Poco F1 Guides, News, & Discussion] MiPiMok:
I just updated to 12.0.2.0 and it no longer seems possible to activate the options in the sim settings. Any idea to find them in the new update parameters ?
[Xiaomi Poco F1 Guides, News, & Discussion] willn0t:
I cant finy my mobile operator in the list. Which one should i activate?
[Xiaomi Poco F1 Guides, News, & Discussion] HelmutK.:
Hi there

I got some problems to install the Qualcomm driver. I already installed the driver and windows goes in testmode. But the device manager shows the smartphone still just as a usb device. I look which driver is using and it's still the windows driver. When I try manually to choose the Qualcomm driver there is no .inf file in the Qualcoom folder.
[Xiaomi Poco F1 Guides, News, & Discussion] posedys:
Servirá para poco f2 pro ayuden porfa ??? Llamadas wifi y volte no activa p Ro mí operador si tiene apa l servicio

----------

MOD EDIT: English Translation Below

Will it be useful for little f2 pro help please ??? Wi-Fi calls and volte does not activate by my operator if it has turned off the service
[Xiaomi Poco F1 Guides, News, & Discussion] robert1968:
DIGI.HU VoWifi works on Poco F2 Pro

Hi,

VoWifi is now working on Poco F2 Pro / K30 Pro with DIGI.HU (a small Hungarian GSM/LTE provider)

The most current XIAOMI.EU Stable 12.2.1.0 van (Android 11-es) has SmartFren_VoWifi_Comercial profile works nicely with VoWifi with this provider.

I followed #1 guide, but because DT_Greece is not in my ROM, i chose SmartFren_VoWifi_Comercial profile.

[IMG="IMS"]https://xdaforums.com/attachment.php?attachmentid=5144539&stc=1&d=1606688299[/IMG]

[IMG="Call in progress VoWifi"]https://xdaforums.com/attachment.php?attachmentid=5144541&stc=1&d=1606688299[/IMG]
[Xiaomi Poco F1 Guides, News, & Discussion] kazlow:
please i need help after going in debug mode and typing the commands i cant turn my phone back on
[Xiaomi Poco F1 Guides, News, & Discussion] Revolver:
Not sure what's happening, but after entering the setprop command in termux, the device keeps connecting and disconnecting from the PC.

View attachment 5165695
[Xiaomi Poco F1 Guides, News, & Discussion] pawo99:
Are you on custom ROM? for me it was working only with Miui. With Miui I was able to connect and to made changes.
[Xiaomi Poco F1 Guides, News, & Discussion] KubeNsx:
I am experiencing a weird behavior, mainly, when someone calls and I have Volte or vowifi enabled, in the dialer app it shows long phone number which contains callers phone number and mine. It looks something like this, let's say my phone number is 788 233 145 and callers is 822 441 521, when he calls me, I see +48788233145822441521. This way, even if i have them in contacts I can't make out who's really calling me.. :/ It's a rare case probably, but i'd appreciate any kind of help at this point. I don't want to give up on VoLte or VoWifi.
[Xiaomi Poco F1 Guides, News, & Discussion] SPLESHER:
Hey, did anyone try with Orange Poland carrier?

When i try to make call via WiFi, it always tells me to disable airplane mode or to connect to WiFi even tho im all the time connected to it, do you know which carrier is working with my carrier?
[Xiaomi Poco F1 Guides, News, & Discussion] holymoz:
works for me changing the carrier with vodafone romania, but after reboot volte not working anymore despite vodafone romania is still active in pdc. seems like it reversed to default carrier even if I deleted it.
[Xiaomi Poco F1 Guides, News, & Discussion] razenxd:
Hello, I have tested maaany profiles and only with DT_Greece I am able to have working VoWiFi on Mi 8 and Vodafone Greece operator.

Thing is that any incomning call on VoWiFi will display Unknown Caller.

Does anybody perhaps knows a fix?

A post in here was saying to edit ovverideconfig on efs, that made no difference.

Thanks
[Xiaomi Poco F1 Guides, News, & Discussion] EldigoR:
Tested it with Custom rom (arrowos) on my Poco F3.

Picked the Telefonica UK profile for KPN network (Netherlands) in the PDC tool, activated it and rebooted the phone.

Now caller ID's are shown properly!
[Xiaomi Poco F1 Guides, News, & Discussion] zitmunk:
for WOM Chile first I used greece -vodafone after a day was disable, then I used UK - volte - vodafone and works fine volte and vowifi . Xiaomi Mi 10 lite 5G
[Xiaomi Poco F1 Guides, News, & Discussion] KruSan:
Checked this guide on my Redmi Note 7 , lavender , running on latest 12.5.1 EEA version.

Since Android 10 it is not working anymore on my lavender, neither in unrooted nor in rooted version.

Seems like Xiaomi deleted the QC-Diagmode completely !.

Even when rooted the setprop-command functions, but is not getting recognized by my laptop.

Reboot to EDL-Mode fails aswell.
[Xiaomi Poco F1 Guides, News, & Discussion] ssgr:
Is it known on what devices VoWifi will work from factory in German networks?

I will try with Telekom Congstar next.
[Xiaomi Poco F1 Guides, News, & Discussion] maiki1:
someone can explain how to activate in pdc
[Xiaomi Poco F1 Guides, News, & Discussion] endrancer:
Reading hours to make it work... Still seems not ...

## Device

Poco X3 Pro

Xiaomi.Eu (latest Stable) Rooted

Carrier D1 Germany (Mobilcom + Fraenk/Congstar)

## Current Status

VoLTE + VoWifi enabled

(tried VOEnabler Magisk as well as Shortcodes for Dialer)

VoLTE/VoWifi is in Notification Bar

Calls can be initiated while VoWifi and Airplane is on

Sometimes VoWifi will not come up anymore

View attachment 5479781

But calls are not getting though, not getting though correctly, have no microphone sound, etc.pp. So overall it's not working for me so far.

When just using the dialer codes before it seems when VoWifi and doing outgoing calls, the microphone is not working.

When having the best Wifi Connection, it seems to not always connect VoWifi right away but take time....

View attachment 5479773

View attachment 5479775

View attachment 5479777

View attachment 5479783

## What i've tried

- Open Firewall Ports 500/4500 for TCP/UDP as well as ESP and Exposed Host

PDC Profiles:

- Commercial-DT-VOLTE (is the default)

- DT_Greece

- H3G_Denmark_Commercial

- TEF_Germany_Commercial

- Commercial-MTS (this profile does not exist for me)

View attachment 5479779

The chosen profile will always stick after reboot.

So all in all, it's still not as far as reliable
[Xiaomi Poco F1 Guides, News, & Discussion] 22sumit:
can I use this patch on Havoc 4.9?

Would appreciate if someone can help me in getting this working on my Poco F1
[Xiaomi Poco F1 Guides, News, & Discussion] crisx13:
Hi,

think i have an similar issue, did you find a solution?

With my Mi9t pro and the german provider o2 I have the problem with incoming voLTE calls.

Instead of the callers name, I see his number, followed by my own number.

For example: I don't see my wife’s name, but I see '+4916012345678+4917087654321' (fake numbers)
[Xiaomi Poco F1 Guides, News, & Discussion] KubeNsx:
No, I haven't :/

Only thing I know by now is that it's the custom ROM fault, I didn't experience it on MIUI.

Also, on my second SIM (different provider) VoLTE and VoWiFi work well, without the "long number" problem. So this might also be the culprit.

The thing you might try is - in sim settings of your ROM (if you're on any) in the connections tab, pick your SIM card with the long number problem, in the top right corner click to edit it and in the bottom you want to remove your area code, so in your case you need to remove +49. I'll attach screenshot with that thing marked for better understanding. I'm using a custom ROM which lacks the ability to change or edit area code, but maybe on yours it will be editable, worth checking.
[Xiaomi Poco F1 Guides, News, & Discussion] Donny.x:
OMGG. Finally great news. i make a wifi call in pixelexperience rom for this mbn euro/turkcell/vlvw/tr/mcfg_sw.mbn. Thank you. :)

Remember first need a open port terminal this code : setprop sys.usb.config diag,serial_cdev,rmnet,adb
[Xiaomi Poco F1 Guides, News, & Discussion] Dnlz:
Hey, I've been trying to get VoLTE working. However, the driver doesn't seem to recognize my device as sdm845. Anyone else that faced this and knows a fix?

View attachment 5651331
[Xiaomi Poco F1 Guides, News, & Discussion] xdasmile:
Hi all,

Thanks a lot for all the research into this topic! Since my network operator recently made some changes and I nearly don’t have any reception at my place, I’d really like to be able to activate VoWifi, and I would enormously appreciate some help.

Here’s the initial situation: Poco F1 with Lineage OS 19 (Android 12). VoLTE working. [I can’t send text messages when VoLTE is activated though, because of a bug / incompatibility between some Xiami phones and my operator.]

Desired final situation: VoWifi working.

My operator has released a list of compatible phones, and there are some Xiaomi phones that are compatible with VoWifi. The Poco F1 is not on the list: https://assistance-1.free.fr/mobile/terminaux/

Now I have two questions:

1) Is there any hope of getting VoWifi to work on the Poco F1 with my operator?

I didn’t find my operator in most MBN-lists I’ve scrolled through. (including the one from the post I’m quoting). However, I’ve seen an MBN-file for my operator in this post: https://xdaforums.com/t/module-to-enable-5g-volte-vowifi-on-pixel4a-5g-pixel5.4207725/post-85922067 However, I don’t know if this MBN already includes the information on VoWifi, and I don’t know if I can flash just any MBN from a random phone ?

If you think it could work, my second question would be:

2) How can I make this happen?

So far, I’ve tried the guide in post 1 (https://xdaforums.com/t/guide-activate-vowifi-wlan-call.3871263/) but without success, as I’m already on an Android version where the PDC-tool would throw an error when I select my phone.

Then I looked at this solution here, which looks interesting, but I’m not totally sure how to make it work: https://xdaforums.com/t/guide-enabling-volte-vowifi-v2.4028073/

My tentative list of things to do would be this, but I’m not sure at all:

a) Figure out which MBN-file to use (or modify an existing one, or something else?).

b) Install the Qualcomm driver mentioned in post 1 (https://xdaforums.com/t/guide-activate-vowifi-wlan-call.3871263/). In my case, as it is not signed, it needs rebooting in a mode that allows unsigned drivers to work.

c) Download the EfsTools and the EFS items from this post: https://xdaforums.com/t/guide-enabling-volte-vowifi-v2.4028073/

d)

Put the phone in diag mode, for instance with adb:

adb root
adb shell
setprop sys.usb.config diag,serial_cdev,rmnet,adb

e) Unplug and replug the phone?

f) Doing steps 2, 3 and 4 from this post: https://xdaforums.com/t/guide-enabling-volte-vowifi-v2.4028073/

I wrote all this to maybe help other people once I got it working. I’d be very grateful for some help!

Have a great day!