Hello,
I bought a mi mix 2s some time ago and it's currently running the china rom because I can't unlock the bootloader the next 10 days.
First of all I can call other people and I can use mobile data. Also I'm able to receive calls if the sim is in my old oneplus one.
Now to my problem:
Today I realized that there must be a problem if someone calls me but I couldn't really figure out under what circumstances the issue appears.
However, I could figure out the following:
If I'm on wifi calls work most of the time
If I'm on 4g I don't receive calls most of the time
If I'm on H+ I receive calls most of the time
If the phone is locked I either get the call or the mailbox answers
If I don't get the call there are two things that happen on the phone that is calling me:
If it's a samsung theres just one loud beep and the call ends
If it's a LG there are fast beeps (similar like if the phone is busy)
Thanks in advance for any help
Flatric
EDIT: Just figured out that the problem is that the phone takes too long to switch from 4g to 3g since VoLTE is not supported by my carrier... Found some guys in a forum who complained about the same problem but with a oneplus phone... I'm still open for any ideas that could fix that Maybe someone from germany here who uses O2/Eplus network and got the same problem?
EDIT2: http://en.miui.com/thread-935378-1-1.html Used this to enable VoLTE but can't test if it's working until tomorrow
Fixed it by the way by enabling VoLTE with the miui dialer code explained here
I am on Verizon and have CDMA-Less profile enabled. However, my incoming calls (and some outbound calls) are often not working. What i mean by this is that I hear the person on the other end of the line as garbled noise, not necessarily static, but more just jumbled electronic noises. The other person says I sound fine. Hanging up and calling back doesn't resolve the issue. If i voice call over Duo it works. Running latest 9.5.11 and the update still didn't solve the issue. This doesn't occur all of the time, but it is more often than not.
I see no one has replied and my reply won't be much help but let you know I've had my OP7 pro since release on Verizon with no issues at all after the CDMA less setting. Possibly toggle on and off the air plane mode after it happens and try the call back. Just a shot maybe.
Try calling Verizon and get them to sync the account. There might be some configuration error on the billing/technical side. I've seen this work for a couple people who described the same issue you are currently having.
Just an update. I went to Verizon and had a new SIM installed. Did a couple test calls using the phones there without issue. Attempted calling my wife and issue sprung up again calling her S10+. Tested calling their S10+ in the store without issue. Tried calling wife again and had the same problem.
Later went to another Verizon store and could not duplicate the problem, but switched her SIM card anyway.
Did a little research on the S10+ and it seems the problem may be related the phone set to Global vs. LTE/CDMA. Changed her setting to LTE/CDMA and haven't had the issue happen. Calls also seem to sound better too when i call her.
Very strange all around.
Using the device on T-Mobile. Sometimes I'll just get a voice mail notification - without the phone ever ringing. Tested from a desk phone, and sure enough it goes right to voice mail without ever ringing. If I make a call outbound from the Zenfone 6, it will always work. Then I'm able to receive calls for an unknown amount of time. I can reboot and get calls after the reboot, but they will eventually randomly stop.
SMS also come though delayed by hours. For instance someone sends a SMS my way at 2pm, I'll get it at about 4pm. If I send a SMS out bound, I then instantly get all the inbound ones.
Anyone know if I need to whitelist something in battery optimization? So far the Zenfone isn't really good at being a phone. - great at everything else though.
Check your apn settings I think I had to update the default to whatever BYOD APN settings are for T-mobile see if it helps you
Also had this issue on T-Mobile. If APN settings don't fix it, I'd go to Auto-start Manager in Settings > Battery > PowerMaster and allow your messaging apps to run.
For me, I'd get SMS messages only when my screen was on, and some weren't received from contacts, like it shuts the apps off after not using them.
Same here. I'm about to switch providers because of this. What rom are y'all using? I'm on LineageOS 16. @wreid23 can you post your APN settings?
Tried unoptimizing all the messaging related apps, no effect.
progman32 said:
Same here. I'm about to switch providers because of this. What rom are y'all using? I'm on LineageOS 16. @wreid23 can you post your APN settings?
Tried unoptimizing all the messaging related apps, no effect.
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Click to collapse
Im on vanilla with rooted boot img
APN SETTINGS:
https://support.t-mobile.com/docs/DOC-2090
So I found that if I turn off WiFi calls come right through. I don't know what the fix is, but I guess that's my work around.
TopHATTwaffle said:
So I found that if I turn off WiFi calls come right through. I don't know what the fix is, but I guess that's my work around.
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I've found the same to be true for me. Wi-Fi connection prevents calls from coming in. I can dial out just fine.
This is extremely strange since this phone is not even Wi-Fi calling certified and it's not even a feature. This has been my biggest issue with the phone so far because you never know if you miss a really important call.
enkryptik said:
This has been my biggest issue with the phone so far because you never know if you miss a really important call.
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I purchased a OnePlus 7T for this reason. Can't use this device anymore after getting flack at work for missing and oncall issue due to the phone not ringing because I left wifi on.
If you're having the same issues feel free to comment here:
https://zentalk.asus.com/en/discussion/15698/calls-not-received-texts-delayed
Redhawk2000 said:
If you're having the same issues feel free to comment here:
https://zentalk.asus.com/en/discussion/15698/calls-not-received-texts-delayed
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Asus denies the phone could be the problem (despite the phone obviously being the only variable). I replied to that thread anyway, with my experience of similar lost calls on a Moto x4 with Wi-Fi calling enabled. Maybe it'll give some engineer at Asus a push in the right direction...
if any of you are rooted there is an alternative for now to enable volte and vowifi: https://forum.xda-developers.com/rog-phone-2/how-to/guide-enabling-volte-vowifi-v2-t4028073
TopHATTwaffle said:
I purchased a OnePlus 7T for this reason. Can't use this device anymore after getting flack at work for missing and oncall issue due to the phone not ringing because I left wifi on.
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Click to collapse
I'm having the issue with T-Mobile 7T Pro, when I got the permanent unlock approval and switched to Mint Mobile sim is when calls went to voice mail, have you found a solution yet? Phone works fine if I use T-Mobile sim, but Mint Mobile sim in the 7T Pro is when the calls go to voice mail and text don't go out, if I put the Mint mobile sim into a Pixel XL all is fine. When I had to quit Mint Mobile becasue of this and go back to T-Mobile on prepaid again, all worked well.
The zenfone 6 is getting volte with the android 11 update so hopefully that fixes this issue
Sent from my ASUS_I01WDX using Tapatalk
Hi there. I have a Onplus 8 (IN2013) and for some reason when talking on the phone sometimes the incoming conversation breaks up so as to make it unintelligible. I ask the caller to call me back and the same problem happens. When I asked the caller to call on my lady's Oneplus 6 it worked fine.
I use T-Mobile with both VoWiFi and VoLTE enabled. The Oneplus 6 is exactly the same. The problem occurs only on and incoming phone call. It doesn't happen when using Google Duo or similar. The weird part is that only my phone is affected, no others.
Does anyone have an idea of what the problem might be? Is there any way to fully reset the connection(s) to see if that helps?
Thanks,
As the title says I'm having trouble when using 4G/5G. All incoming calls are shown as Unknown. When you force 3G/2G only, caller number is displayed normally. Searching google there are many reports with other phones as well having this issue when used with VoLTE and most of them were fixed with software updates. So I contacted my carrier and told them to disable VoLTE from their side. Unfortunatelly I have no slider in Sim settings to disable VoLTE myself.
After VoLTE was disabled from my carrier all incoming calls were displayed normally. It's not the best solution cause I bought this phone specificaly for this reason, to use VoLTE/VoWifi.
I posted the issue on bug tracker of realme as well.
Currently I'm on A.05 version and I have no idea how I could change to another version to test if it would work.
Any help would be appreciated regarding this issue.
PS. I tried factory resetting several times. Clear data/cache of phone/contacts app as well and tried with another dialer.