WiFi Calling / VoLTE on Mi 9
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drnikhilp
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Works with Three (3) UK on Mi 10 Ultra MIUI 12.0.13
VoLTE *#*#86583#*#*
VoWIFI *#*#869434#*#*
Thank you very much- this works for me! :good:
I'm using Xiaomi Mi 10 Ultra running MIUI 12:good:.0.13 stable verison with Chinese ROM
My carrier is Three (3) UK.
Many thanks once again!
VoLTE *#*#86583#*#*
VoWIFI *#*#869434#*#*
Thank you very much- this works for me! :good:
I'm using Xiaomi Mi 10 Ultra running MIUI 12:good:.0.13 stable verison with Chinese ROM
My carrier is Three (3) UK.
Many thanks once again!
And you did all that without root? I have Mi 10T Pro, tried to follow your steps, but I cannot find com.xiaomi.mbnloader and com.qualcom.qti.ims.ImsSettings?! Maybe because of MIUI 12?
Yep!
All without root access on MIUI 10!
But You have a right, let's just say that this "guide" is old and obsolete now.
Unfortunately new MIUI comes with new issues and obstacles but usually keeps errors and miss features from previous ROM iterations.
Beauty of Xiaomi's MIUI ecosystem.
Thanks!
This works on my Xiaomi MI 9 (M1902F1G) too using MIUI 12.0.5 in Sweden. I.e. settings for VoLTE and VoWiFi show up in Settings > SIM Cards & mobile networks > Sim Card Settings for both SIMs in my phone. The status bar doesn't change though, so it seems that my carriers and the current WiFi support neither VoLTE or VoWiFi.
I've included the settings both before and after entering the codes in the dialer.
This works on my Xiaomi MI 9 (M1902F1G) too using MIUI 12.0.5 in Sweden. I.e. settings for VoLTE and VoWiFi show up in Settings > SIM Cards & mobile networks > Sim Card Settings for both SIMs in my phone. The status bar doesn't change though, so it seems that my carriers and the current WiFi support neither VoLTE or VoWiFi.
I've included the settings both before and after entering the codes in the dialer.
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Hi Guys... Any news how to make it running? I have global rom 12.5.2. All codes On I can select on/off but nothing is working. In IMS service are not registered. I asked many times my carrier to actived services and they said that everything is active. I can't find and access any modem config as well.... from CIT option I can go to advanced but when i try to go to modem settings I get error no modem configuration or something similar .
What's the status information when you enter in the dialer and then open 'Phone Information':
*#*#4636#*#*
If WiFi calling is not enabled try to enable via dialer with the following code:
*#*#869434#*#*
Cheers
Toscha
*#*#4636#*#*
If WiFi calling is not enabled try to enable via dialer with the following code:
*#*#869434#*#*
Cheers
Toscha
I moved sim to slot 1 but stil not working !!!!
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This topic helped me, Wifi calling working now )
forum.xda-developers.com
100% working guide for VoLTE+VoWiFi on mi9 miui 11 no root needed !!
Hello guys, Well this was a hell of a month for me. I learned so much about this 2 options and now I finally got them to work ! I live in Israel, my cell supp is Partner (former Orange , but this will work for every carrier) This is my guide...
forum.xda-developers.com
Did you see the topic?
Try to download "Shortcut Maker" first
Shortcut Maker - Apps on Google Play
Simple app to create shortcut for anything you want.
By the way even i don't live in Africa this option worked with me )
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17Just wanted to share my experience with WiFi Calling. I am in the US on T-Mobile and WiFi calling has been working for me surprisingly. VoLTE has also been working wonderfully. I've tested this on a Global Mi 9 running Stock and the Xiaomi.eu rom.
Enter these codes into the Dialer to enable the options in Settings. (Settings < SIM Cards & mobile networks < Sim Card Settings < VoLTE Enabled/Make Calls using WLAN)
VoLTE *#*#86583#*#*
VoWIFI *#*#869434#*#*
Things should work after you enable the two options. This depends on whether or not your carrier supports it and your e911 address set (US only?).
Some issues you might run into is that the option for Network Preference is greyed out and you will unable to change that option. I've had some success if you disable it and re-enable it and click on that option really fast, it will go through. When you first enable VoWiFi, it is important that you get into this menu and change it to WiFi preferred or WiFi Calling won't work.
UPDATE:
Manually creating your carrier APN worked great for me. Been testing it for about 2 weeks and I haven't had any issues with VoLTE/VoWiFi. For example, for me on T-Mobile, I created a new one with the following settings. The important part I'm guessing is the APN type. Also make sure that your carrier has enabled WiFi Calling on their end as well.
APN: fast.t-mobile.com
MMSC: http://mms.msg.eng.t-mobile.com/mms/wapenc
MMC : 310
MNC: 260
APN type: default,supl,mms,ims,cbs
APN protocol: IPv4/IPv6
APN roaming protocol: IPv4/IPv65I'm updating my last post with the "definitive" fix for Wifi & VoLTE, including problems with IMS registration & RCS.
- For those on mi.com, don't hesitate to go to this post
- I'm ranting a bit on mi.com, but the way they build roms is an absolute nightmare - we know where the money was saved now....
FIX FOR VOLTE & VOWIFI, RCS on MIUI STOCK ROM
- Root needed
- ActivityManager 3.3.0 strongly recommended (com.sdex.activityrunner)
- Tested on STOCK EEA 10.2.30
- Please CANCEL any "dialer code" you might have input before, as it only works on one card slot ( VoLTE *#*#86583#*#* VoWIFI *#*#869434#*#* )
> It should say "Carrier check enabled"
I. Edit the SYSTEM/BUILD.PROP file
Remove the Xiaomi blocking lines in the build.prp & add/modify :
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.VT_ENABLE=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
persist.radio.volte.dan_support=true
persist.data.iwlan=1
persist.data.iwlan.ipsec.ap=1
persist.sys.cust.lte_config=true
persist.rcs.supported=1
>> Check for duplicates !
2. Reset and empty the app: "Google Carrier Services" (com.google.android.ims.apk)
3. Reboot
4. You should now have "IMS registered" when typing *#*4636#*#*
Additionnal fixes if needed====================================
Additionnal fixing can be made using the app "Activity Manager" listed at the beginning
> Launch "Modem Config" (com.xiaomi.mbnloader), find your carrier, enable, reboot
> Launch "com.qualcom.qti.ims.ImsSettings", input your number using the international version (+01999999999 for example)
More Additionnal checking if it still doesn't work
Check apns-conf.xml for your carrier IMS config, try IPV4V6 where necessary
NOTE : VoLTE has to be enabled by your carrier on your phone plan. Sometimes they will tell you "Your phone isn't listed as compatible - Of course because Xiaomi blocked it - but I can activate VoLTE anyway - Say yes"
To continue, the /system/etc/APNS-conf.xml is absolutely outdated, most of the info here seems to have been taken on a bad google check.
- I suggest everyone check this file and their carrier, add IPV4V6 support, etc3
The codes enable/disable checking for VOLTE. You should do the codes until both say disabled. Then you can go into configuration where the options will no longer be greyed out so you can force to use or not use.2
Nope, that's just Xiaomi doing an absolute garbage on that phone.
There is a line, in the build.prop, REMOVING VOLTE in EUROPE on PURPOSE.
WTF ?!!!
You have to be rooted
MAKE A BACKUP
Remove the # on that build.prop on the 4 persists
Add the other two persist if they aren't here by default
Save and reboot
On a side note, I will consider going to the global rom, but there might be some specific vendor shiz in the EEA Rom i'm currently investigating. I'm also trying to get the Google DIaler Visual VoiceMail to be set up, and it's a nightmare to get carrier info (vvm_type_OMTP parameters for example)
- For those being rooted and having a problem on EEA roms with the above activated, try downloading Activity Manager 3.3.0 (not on the play store for obvious reasons)
- Look for Modem Config
- Check if your country is in here, and your operator if you're lucky
> Path is Vendor/firmware_mnt/image/modem_pr/mcfg/configs/mcfg_sw/generic/eu for europe, I'm unsure about which folder is the generic/generic one (for MVNO for example, my guess is on "DT" but unsure)2I think I found a fix for good. Create a new APN and call it whatever you want. Here are the settings I used for T-Mobile. The most important thing I think is adding ims to the APN type.
APN: fast.t-mobile.com
MMSC: http://mms.msg.eng.t-mobile.com/mms/wapenc
MMC : 310
MNC: 260
APN type: default,supl,mms,ims,cbs
APN protocol: IPv4/IPv6
APN roaming protocol: IPv4/IPv6
With these settings, no more issues with VoLTE calls or WiFi Calls. Sound has gone through for me for every call I've gotten since and WiFi calling stays on forever instead of more than 5 mins at a time. Missed calls are no longer a concern. I hope this helps someone.
