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Hello,
I recently wanted to activate VoLTE/VoWIFI on my OP7.
This made me reinstall the oneplus logkit.
before AND after doing this I realized I was totally unable to use any USSD codes on my phone.
For instance typing *#800# or 801 or whatever gives me something like "Connexion issue or IHM code not valid" ( translated from french).
I'm not sure if this issue can be related to https://forum.xda-developers.com/oneplus-7/help/sim-card-connection-acting-10-3-update-t4030031
I don't see how, but maybe you guys see something I don't.
Thanks for your attention
Edit: I'm using the Google dialer. And I am in 2G/3G/4G automatic. I also tried 2G only and 3G only.
Nobody07 said:
Hello,
I recently wanted to activate VoLTE/VoWIFI on my OP7.
This made me reinstall the oneplus logkit.
before AND after doing this I realized I was totally unable to use any USSD codes on my phone.
For instance typing *#800# or 801 or whatever gives me something like "Connexion issue or IHM code not valid" ( translated from french).
I'm not sure if this issue can be related to https://forum.xda-developers.com/oneplus-7/help/sim-card-connection-acting-10-3-update-t4030031
I don't see how, but maybe you guys see something I don't.
Thanks for your attention
Edit: I'm using the Google dialer. And I am in 2G/3G/4G automatic. I also tried 2G only and 3G only.
Click to expand...
Click to collapse
Try to use stock dialer and make sure you did not deleted any system app for testing.
I'm in the UK and on Three network and have no option for WiFi calling (which i really need as my signal is bad at home). Anyone else have WiFi calling option appear (if so where?). The Mi 10 Pro had it enabled so disappointing this doesn't.
To disable the VoWIFI carrier check, all you have to do is enter *#*#869434#*#* in de phone dialer. The option to place calls over WIFI will then appear in the phone menu. However, some carriers check the type of phone you use or require specific settings in the ROM for it to work. I enabled VoWIFI this way on my device, but it's not working with Vodafone in the Netherlands (at least, not yet).
Appelsap said:
To disable the VoWIFI carrier check, all you have to do is enter *#*#869434#*#* in de phone dialer. The option to place calls over WIFI will then appear in the phone menu. However, some carriers check the type of phone you use or require specific settings in the ROM for it to work. I enabled VoWIFI this way on my device, but it's not working with Vodafone in the Netherlands (at least, not yet).
Click to expand...
Click to collapse
That did the trick, thank you so much !!
orbital247 said:
That did the trick, thank you so much !!
Click to expand...
Click to collapse
Where are you located and what carrier?
gigaflop said:
Where are you located and what carrier?
Click to expand...
Click to collapse
It's in the original post... UK and Three
Works ok on EE using EU ROM, see screenshot
Works ok on Vodafone UK too.
I'm using a Giffgaff and an EE SIM to see which gives better data and the option isn't enabled for Giffgaff (they don't offer it)
So at least in the EU ROM it is up to the carrier with no extra steps the user's end.
I installed EU rom on my Mi 10 ultra and now I no longer have VoWiFi in the settings, and VoLTE is greyed out and can't be clicked! I tried *#*#869434#*#* and got a message that saying VoWIFI is enabled, but it's not working.
Everything was working fine in China rom!!
Update: fixed!
hammody said:
I installed EU rom on my Mi 10 ultra and now I no longer have VoWiFi in the settings, and VoLTE is greyed out and can't be clicked! I tried *#*#869434#*#* and got a message that saying VoWIFI is enabled, but it's not working.
Everything was working fine in China rom!!
Update: fixed!
Click to expand...
Click to collapse
What fixed it?
VoLTE *#*#86583#*#*
VoWIFI *#*#869434#*#*
After dialing these codes make sure the notification says "carrier check disabled" NOT ENABLED.
The trick is you need to restart your phone after enabling them.
hammody said:
VoLTE *#*#86583#*#*
VoWIFI *#*#869434#*#*
After dialing these codes make sure the notification says "carrier check disabled" NOT ENABLED.
The trick is you need to restart your phone after enabling them.
Click to expand...
Click to collapse
Good job. TYVM
it definitely works but call quality was really bad the one time I tried it
Sathelp said:
Works ok on EE using EU ROM, see screenshot
Click to expand...
Click to collapse
I'm UK on EE too... received phone today. Going to start the unlock tonight. Looking online, I note that both the "stable" EU and "weekly" EU appear to have snags - would have thought that the 'stable' would be pretty snag free. Do you recommend the EU ROM, or should I just go ahead with staying on Chinese for a while? I've flashed stuff before on older phones but want to try and keep this one as daily driver where poss, so most 'normal' stuff needs to work pretty much (android auto/vowifi+volte/voice recording/banking/fingerprint).
Would appreciate your input.
If Google pay is important, I mean really important, then stay on stock for now as gpay has an issue, or I should say both stable and weekly seem to have developed a CTS security problem that stops gpay and stops fingerprint banking, normal logins work still though. It should be all good and pass all safetynet tests, so hopefully fixed in next version after Chinese holidays, so around 15 or 16th October as all EU ROMs are based on official ones.
VoLTE and VoWiFI works fine with EU ROM but I am not so sure with the Chinese stock, so one to test.
Call recorder works on all versions really well but you ask about auto, not had any use of it but location history or tracking does not work on their Google framework version but these are fine on the full Google framework set of apps on the EU ROM.
Yes, stable is the most recent so called fully working version with weekly built in top since last stable. Do not switch between each, choose one branch or the other or you may need to wipe your data swapping between the two.
Unlocking does not affect anything but you do need to fully verify your mi account before you start or you will get nowhere. Once done you can start the unlock. The tool will take you to a point where you need to add your mi account and password to the phone to bond the 2 together, then it will start your countdown, 168 hours, one week. Come back after and use the unlock tool again and this time it will unlock, wipe and reboot, so make sure you have a back up or somewhere to get your data back on like your old phone and a copy of mi move. Then you can flash away or stay stock Chinese.
I have attached a copy of my guide to unlock, twrp and ROM flashing, I know you have done some before but it may help you or someone else reading. Oh and one final thing, read as much as you can here and in the Xiaomi.EU forums mi 10 ultra and ROM threads.
Work on Xiaomi Mi 10 Ultra in USA
Sathelp said:
Works ok on EE using EU ROM, see screenshot
Click to expand...
Click to collapse
Sorry to dredge up an old post (I'm EE UK on weekly EU rom).
Can you get SMS to send when on VoWifi, as I'm still getting message send failed (using Pulse SMS)? Calling works, of a sort - quality is poor. Also noticed that sometimes I don't get the VoWifi indicator when out of service area
It sends while on VoWiFI SIM 2 on EE using Mi Message, the stock message app. See screenshot
Hi, I'm having issues with VoWIFI. It never worked on EU Weekly. I see, and enabled the VoWIFI option in the settings, but never works.
VoLTE used to work, but stopped after the last week update (10.12.2020). Since the last weekly update, VoWIFI option disappeared, and VoLTE is greyed out.
I put my SIM in an iPhone and everything was working fine!
I use EU weekly and don't have any issues. My Sky SIM does not but my EE SIM 8n SIM too works a treat. Screenshot attached shows VoWiFI call.
Sometimes the icon dissappears, so I just switch off Wi-fi and back on, service back.
Hi, I had Poco F1 before with working VoLTE, so I know that my carrier and current Sim card is supporting it. All I had to do on the F1 was typing in that code *#*#86583#*#* and activating the new volte setting.
I tried that with the X3 but it's not working. Whenever I receive/make a phone call my connection will switch from 4G to 3G.
Is there a workaround or is it a hardware limitation? I could imagine because the X3 just has an entry level SOC that the modem has some artificial restrictions to differentiate from the flagship SOC (845/865).
Did you get a volte carrier check disabled message after dialling that?
For me both volte and vowifi are working fine
Yes I got that. Are you telling the phone your real location or do I have to chose India or china? I remember with my Poco F1 I had to chose India to get features like call recording...btw I'm in Australia.
Changing regions
Anyone know if I do a factory reset and change to a different region like Europe will that make the phone operate on different Verizon bands possibly allowing me to get service? Just a thought ?
ankerede said:
Yes I got that. Are you telling the phone your real location or do I have to chose India or china? I remember with my Poco F1 I had to chose India to get features like call recording...btw I'm in Australia.
Click to expand...
Click to collapse
If you got the VoLTE was disabled message after entering the code, go to SIM settings and there will show the option to activate VoLTE. If not appears, try to enter the code again and check the SIM settings.
---------- Post added at 05:38 AM ---------- Previous post was at 05:30 AM ----------
Glock45 said:
Anyone know if I do a factory reset and change to a different region like Europe will that make the phone operate on different Verizon bands possibly allowing me to get service? Just a thought ?
Click to expand...
Click to collapse
I think using different bands it's more about regional ROMs construction (Global, India, Europe etc) than changing region in ROM settings. Alternative, you can flash a different regional ROM using MiFlash and see if it helps with your problem.
After entering that code I get the switch, to turn on volte, but that doesn't change anything.
ankerede said:
After entering that code I get the switch, to turn on volte, but that doesn't change anything.
Click to expand...
Click to collapse
Can't you see the specific VoLTE symbol near mobile signal in the upper right corner of the screen? If you can't see it, you can try to make a phone call and see if the google dialer shows it's a VoLTE call (or check the dialer history calls if you use Xiaomi dialer....you'll see there if it was a VoLTE call or not).
Same here with my Poco x3 NFC global I am on Vodafone UK my carrier support volte and vofi but I can't enable it , I have no settings . What I found when I flash custom ROMs the volte works , the sound in voice calls is super crisp and I got the icon always there vote on sim and vofi on WiFi . I need an option or a menu or a trick to show that option in stock ROM to enable it .
I remember back in the days when I had OnePlus I had to go in the ingineer menu to tick on a toggle " enable volte" and "enable vofi"
And later on the OnePlus 7t pro I had to install an apk to force that toggle so I can enable it .
On my Mi Mix 2s it shows volte when enabled. This one no. Poco needs to fix this before a number of users get dumped for lack of volte.
Aburel18 said:
Same here with my Poco x3 NFC global I am on Vodafone UK my carrier support volte and vofi but I can't enable it , I have no settings . What I found when I flash custom ROMs the volte works , the sound in voice calls is super crisp and I got the icon always there vote on sim and vofi on WiFi . I need an option or a menu or a trick to show that option in stock ROM to enable it .
I remember back in the days when I had OnePlus I had to go in the ingineer menu to tick on a toggle " enable volte" and "enable vofi"
And later on the OnePlus 7t pro I had to install an apk to force that toggle so I can enable it .
Click to expand...
Click to collapse
Did you try activate it using this codes in Dialer? VoLTE: *#*#86583#*#* and VoWIFI: *#*#869434#*#*. After that go to your SIM settings and you'll get the option to activate VoLTE and VoWiFi.
I have tried those and I left it on enabled both of them . Still not working
Alin45 said:
If you got the VoLTE was disabled message after entering the code, go to SIM settings and there will show the option to activate VoLTE. If not appears, try to enter the code again and check the SIM settings.
---------- Post added at 05:38 AM ---------- Previous post was at 05:30 AM ----------
I think using different bands it's more about regional ROMs construction (Global, India, Europe etc) than changing region in ROM settings. Alternative, you can flash a different regional ROM using MiFlash and see if it helps with your problem.
Click to expand...
Click to collapse
Thanks only problem is w/o being able to get cell service I can't unlock, any way to flash different rom not being unlocked?
Glock45 said:
Thanks only problem is w/o being able to get cell service I can't unlock, any way to flash different rom not being unlocked?
Click to expand...
Click to collapse
If you have an locked bootloader I'm not aware about a method to flash another regional ROM. I had read that many Poco X3 users have problems getting mobile data connection with Verizon (especially in USA).
Hello anyone has managed to operate the volte on both sim cards simultaneously on his POCO X3? thank you
Alin45 said:
If you have an locked bootloader I'm not aware about a method to flash another regional ROM. I had read that many Poco X3 users have problems getting mobile data connection with Verizon (especially in USA).
Click to expand...
Click to collapse
I was able to get 4g working good signal 4-5 bars long enough to link it to my MI account try to unlock it this Sunday is weird though the signal will stay strong then disconnect then come back and can't add it into any networks via their web site after I unlock it I'll take it to the diff stores try get them to activate it I'll let ya know how it turns out ?
I have the same problem with bouygue telecom, Volte is activated but doesn't work.
Volte also doesnt Work in Germany for reseller Sim cards of German Telekom and Telefonica ...
Alin45 said:
If you have an locked bootloader I'm not aware about a method to flash another regional ROM. I had read that many Poco X3 users have problems getting mobile data connection with Verizon (especially in USA).
Click to expand...
Click to collapse
Got my bootloader unlocked I'll try flash another regional rom
Same here in Italy, no volte, it switch ti 3g. With my previous 8t all was fine
I am using the stock room and used the dial codes got the settings but everytime I tried to make a call it wouldn't work I went to setting all specs and tap internal storage 5 times then choose the sim you are using then you have to turn the top switch off then back on. This is how I got mine working I also have extended my storage by using root explorer and cut everything under sd card and move to storage.
Does volte work on this phone straight out of the box, or do you need the eu rom to get it to work?
Need to use the service code to disable the carrier validation.
Sent from my Mi 10 Ultra using Tapatalk
Princevelyn said:
Does volte work on this phone straight out of the box, or do you need the eu rom to get it to work?
Click to expand...
Click to collapse
Yes, it works for me. I am on weekly 20.10.15. Of course i put code into dialer first to activate the VoLTE option.
But VoWiFi doesn't work at all.
Does 5G work?
Mine shows VoWiFI in the status bar but not sure if it's actually been used for a call, see top of screenshot
Sathelp said:
Mine shows VoWiFI in the status bar but not sure if it's actually been used for a call, see top of screenshot
Click to expand...
Click to collapse
How you did it to get this icon? What is your version of MIUI release?
You can check is it working (or not) for callis in the dialer app on the call log. It should show the type of connection next to the data, time and duration of particular call.
Yes, but I rarely use SIM 2.
I am on the EU ROM and it and VoLTE are activated in the ROM with control from the SIM control page. See screenshot.
Sathelp said:
Yes, but I rarely use SIM 2.
I am on the EU ROM and it and VoLTE are activated in the ROM with control from the SIM control page. See screenshot.
Click to expand...
Click to collapse
I understand that you are on EU ROM but what is your version? Stable or weekly? And what is the version number? (20.xx.xx)
For checking if VoWiFi works make a call and check the log in call log for call type, please.
I assume you have Mi 10 Ultra?
I have had both VoLTE and VoWiFI on every version of EU ROM 8 have used since coming from stock Chinese on both A10 and now A11 since launch. I'm on 20.11.05 this week. Both the most recent stable and all weeklies have had it working on the EU ROM.
Since A11, the option to have a preference of voice over Wi-fi or voice over LTE has dropped, you just get the option to turn on voice over LTE, looks like voice over Wi-fi is now preselected.
I understand that I can check my call log but I rarely use SIM 2, so cannot see any use of it on Wi-Fi in my current list and I am not making calls just to provide proof that it works. If 8t says so then I take it that it will. Why would the guys at Xiaomi EU bother to implement it if it doesn't work.
If you are not on the EU ROM, then get it flashed and if you don't like it, go back to stock and relock your bootloader. I bet once your here, I doubt if you will go back.
And although I checked yesterday and saw none, I did make a call and strangely it went out on SIM 2 as a VoWiFI call. See first line screenshot. Second line it never connected but top line shows the call over 4mins on VoWiFI. So it is fully implemented
Sathelp said:
And although I checked yesterday and saw none, I did make a call and strangely it went out on SIM 2 as a VoWiFI call. See first line screenshot. Second line it never connected but top line shows the call over 4mins on VoWiFI. So it is fully implemented
Click to expand...
Click to collapse
Wow. Thanks.
That is strange. Me and other people cannot get it working.
I am on weekly 20.10.15.
And what type of Wi-Fi you have connected to? I mean 2.4GHz or 5GHz...
I am currently on a 5Ghz link at home but do get it out and about on 2.4 GHz too, I've never had an issue, see screenshot.
EDIT, just to show the VoLTE on mine, the second screenshot was taken away from the wi-fi, so shows VoLTE on the EU weekly ROM.
wyflover said:
Need to use the service code to disable the carrier validation.
Click to expand...
Click to collapse
zencooler said:
.... Of course i put code into dialer first to activate the VoLTE option..
Click to expand...
Click to collapse
Hi folks
it seems I cannot find those codes, would you mind sharing a link (or the codes ) ? Are those two the same codes or different ones ?
I appreciate your help, thanks,
Axel
s3axel said:
Hi folks
it seems I cannot find those codes, would you mind sharing a link (or the codes ) ? Are those two the same codes or different ones ?
I appreciate your help, thanks,
Axel
Click to expand...
Click to collapse
For VoWiFi you need to put code *#*#869434#*#* and after restart the phone set on VoWiFi in carrier configuration (tap on SIM card).
Greetings everyone!
Just got my Pixel 6a, love it so far, but i have one problem: Wifi Call doesnt work.
Whenever i try do a wifi call, i just get the message "out of network call"
Im using a german sim card from o2 (telefonica) and the thing is: my prior phone
was a redmi note 10 5g and with this phone (same sim card) wifi calling just worked like a charm.
so my question is: is there any trick to make it work? any explanation why it doesnt work with the 6a?
its a real bummer to go from a cheap a... redmi where this function just works fine to a nice and not so cheap pixel
(love google phones by the way, its my 3rd one), just to realize that something doesnt work as excpected.
i also tried a different os (calyx os), still no wifi-call.
help?
realCyphox said:
Greetings everyone!
Just got my Pixel 6a, love it so far, but i have one problem: Wifi Call doesnt work.
Whenever i try do a wifi call, i just get the message "out of network call"
Im using a german sim card from o2 (telefonica) and the thing is: my prior phone
was a redmi note 10 5g and with this phone (same sim card) wifi calling just worked like a charm.
so my question is: is there any trick to make it work? any explanation why it doesnt work with the 6a?
its a real bummer to go from a cheap a... redmi where this function just works fine to a nice and not so cheap pixel
(love google phones by the way, its my 3rd one), just to realize that something doesnt work as excpected.
i also tried a different os (calyx os), still no wifi-call.
help?
Click to expand...
Click to collapse
I'm using the Pixel 6a in Germany with o2 too - I've no issues with VoWifi and VoLTE. Are you shure you've enabled WLAN call in the accordant settings?
I use Google Voice...there an easier way w/o picking up an additional phone #?
On AT&T in the US...which is prolly why...lol
accuphase said:
I'm using the Pixel 6a in Germany with o2 too - I've no issues with VoWifi and VoLTE. Are you shure you've enabled WLAN call in the accordant settings?
Click to expand...
Click to collapse
i wrote that i used wifi calling with the redmi just fine, so i guess i know how to set it up, yes. so far i tried two o2 cards, no luck. question is, can you (you) really do phone calls by wifi or are you just using cellular without actually knowing. can you still do phone calls when airplane mode is on but wifi is enabled? do you see the wifi-icon onscreen (below number/name you're calling) when making a call?
realCyphox said:
i wrote that i used wifi calling with the redmi just fine, so i guess i know how to set it up, yes. so far i tried two o2 cards, no luck. question is, can you (you) really do phone calls by wifi or are you just using cellular without actually knowing. can you still do phone calls when airplane mode is on but wifi is enabled? do you see the wifi-icon onscreen (below number/name you're calling) when making a call?
Click to expand...
Click to collapse
can you really do phone calls by wifi ? Yes
can you still do phone calls when airplane mode is on but wifi is enabled? Yes
do you see the wifi-icon onscreen (below number/name you're calling) when making a call? Yes
realCyphox said:
i wrote that i used wifi calling with the redmi just fine, so i guess i know how to set it up, yes. so far i tried two o2 cards, no luck. question is, can you (you) really do phone calls by wifi or are you just using cellular without actually knowing. can you still do phone calls when airplane mode is on but wifi is enabled? do you see the wifi-icon onscreen (below number/name you're calling) when making a call?
Click to expand...
Click to collapse
Hi,
I'm having similar issues with my Pixel 6a, also in Germany. I use it with two SIM cards (o2/Telefonica physical SIM card and Vodafone eSIM). I have enabled Wifi Calling in the SIM card settings for both SIM Cards, but _most_ of the time, it doesn't work. The phone tries to use placing calls over cellular (my home office is in my basement, so cellular reception is pretty bad to non-existent, especially with Vodafone)
Most of the times, because sometimes it does work, then it shows up in the status bar and the wifi symbol is shown when placing a call. I couldn't yet figure out any correlation to when or why it works or doesn't, I have tried restarting the phone, putting it to airplane mode, deactivating and re-activating Wifi-calling - or just using one SIM card.
I'd say ~90% of the time it doesn't work.
btw I have used a Pixel 4a with the exact same setup / SIM cards before and didn't experience any issue whatsoever.
Do you have any workaround in the meantime?
Not sure if this helps any, but when entering *#*#4636#*#* on dialpad, going into 'Phone Information'
Is WIFI Calling Provisioned enabled like in my attachment?
Worth looking into:
How to Enable the Preferred WiFi Calling Option on the Verizon Pixel & Pixel XL
A tutorial on how to enable the Wifi Preferred mode in the WiFi Calling settings on the Verizon Google Pixel and Google Pixel XL.
www.xda-developers.com
andybones said:
Not sure if this helps any, but when entering *#*#4636#*#* on dialpad, going into 'Phone Information'
Is WIFI Calling Provisioned enabled like in my attachment?
Worth looking into:
How to Enable the Preferred WiFi Calling Option on the Verizon Pixel & Pixel XL
A tutorial on how to enable the Wifi Preferred mode in the WiFi Calling settings on the Verizon Google Pixel and Google Pixel XL.
www.xda-developers.com
Click to expand...
Click to collapse
Thanks for your answer. It is enabled for both sim cards indeed, though (WLAN-Anrufe eingerichtet is the option in German).
koenichlich said:
Thanks for your answer. It is enabled for both sim cards indeed, though (WLAN-Anrufe eingerichtet is the option in German).
Click to expand...
Click to collapse
Very welcome.
I'm sorry, I wish I was able to help with this!
I have found the error - it's actually caused by Blokada. I'm not sure whether it's just after some update of Blokada (I have used Blokada v5 for quite some time and regularly update) or the combination of Pixel 6a with Blokada, though. But Wifi calling always does work, when I disable Blokada.
Than I found this thread and have subsequently added com.android.phone and com.android.providers.telephony as bypass nad it does seem to work until now. Somebody else suggested bypass of Carrier provisioning service, I haven't tested yet, since as said it does seem to work now.
Just wanted to share my findings, if somebody else stumbles upon this thread.