Question Volte is not working properly - Realme X7

Volte is not working sometimes data is fine call is not going till restart

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Volte video call not working with custom ROM

Dear all,
I am unable to do volte video calls with custom roms like LOS,RR,AOSP when i try to call network signal becoming loss and refreshing network signals all the time,
Clean flashed latest rom and latest open gapps nano package, normal calls working but video calls are not working with jio, i am attaching logs please anyone help me.
Yes, it doesn't work still now

NFC and LTE+ issues

Hi All,
I have a strange issue with Nokia 8. NFC payments is not working correctly, as well as LTE+ services. It is fine for a few days after restoring the phone to its default settings, but stops after few reboots or days.
I believe it is not a hardware issue as it is fine after phone reset. NFC is still working fine as I tried to send a photo to other phone via NFC. Only issue is with payment. Tried with my bank app as well as Android Pay.
LTE+ works fine too for a few days, and stops working in the same time as NFC payments.
I can replicate it. It is the same every time after I reset the phone to its defaults.
Did someone face the same issue in the past?
I get same thing with VoLTE it disables it after 1 day and i need to change my preferred network type between 3g and 4g to get it working again
Sent from my TA-1012 using XDA Labs
There is also a problem in my nokia. When I turn off NFC, after some time the phone does not connect to LTE, it only uses 3G. When I turn on the NFC, the LTE immediately appears on full range.

VOLTE T-Mobile, not working (WORKING as of last update)

I'm experiencing issues with VOLTE on T-Mobile. My phone switches immediately from an LTE+ DATA connection to HSPA the moment a call is placed. Of course, VOLTE is enabled on the settings side. I'm running an unmodified system, upgraded to PIE.
I've been on the phone with T-Mo to make sure the APN is correct (nothing special to mention here). I've also tried different connection combinations using the *#*#4636#*#* with different results but, even though the phone connects really fast to DATA (LTE+), I cannot get VOLTE to function in any case. On the other hand, WiFi calling works just fine.
On a chat with Razer, they just told me that VOLTE is unstable with T-Mobile and, to disable the function altogether from settings.
Before I give up, I'm asking the geniuses here for ideas or experiences? Any ideas anyone?
cabegol said:
I'm experiencing issues with VOLTE on T-Mobile. My phone switches immediately from an LTE+ DATA connection to HSPA the moment a call is placed. Of course, VOLTE is enabled on the settings side. I'm running an unmodified system, upgraded to PIE.
I've been on the phone with T-Mo to make sure the APN is correct (nothing special to mention here). I've also tried different connection combinations using the *#*#4636#*#* with different results but, even though the phone connects really fast to DATA (LTE+), I cannot get VOLTE to function in any case. On the other hand, WiFi calling works just fine.
On a chat with Razer, they just told me that VOLTE is unstable with T-Mobile and, to disable the function altogether from settings.
Before I give up, I'm asking the geniuses here for ideas or experiences? Any ideas anyone?
Click to expand...
Click to collapse
I hope this can be figured out. Im waiting for my Razer 2 phone delivery and also on T-Mobile. What OS are you running? Android Pie?
Yes, I'm on Pie.
Good news! with today's update (3-20-2019), my phone is using VOLTE technologies to connect audio calls. Phone calls sound immensely better now (the "HD" icon shows up during the call and the "LTE+" connection indicator in the status bar remains through the call).

Question Mi 11 ultra Chinese version not supporting Volte?

I tried enabling volte through dialler it worked for some time but suddenly I woke up this morning and Volte disappeared . Please help
The screenshot shows wifi enabled, so what happens when you disable wifi and make a call?
Volte disappeared after some time
ok, but what actually happens when you make a call when wifi is not enabled?
Mine doesn't display the VoLTE logo but works.
Mine switches to 3g when Im on call
Deleted
install this:

VoWIFI enabled but strange behavior

I've enabled VoWIFI in the Sim Card Settings and sometimes the icon in the status bar appears when I'm at home and connected to my wifi router (not always).
Sometimes I do not receive calls, but receive the SMS for a missed call a second later. Sometimes I can hear the caller, but he can't hear me until I disable wifi on my phone.
Also switch to airplane mode and turn wifi on, to check if VoWifi is working., But I'm not able to call somebody because VoWIFI (Icon) not available. Should be not a carrier system because it works quite well with the same sim card in my girlfriends Mi 9 lite phone, recently tested.
Anything I can reset, configure, check?

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