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no LTE with cm13 rom

Hey guys,
i only get 2G network neither LTE or 3G. Im currently on newest temasek cm13 rom (2016-08-20). After i have clean installed the rom, LTE just working fine. But now, after a day or so, i only get 2G network connection.
I use second SIM card for mobile internet. The SIM settings look good to me:
Preferred network type is set to LTE. The APN settings seems to be good as well (after check them against the one provided by the carrier). If i take a look at the available carrier, i only see 2G carrier.
Before the current version of temasek, i used a outdated one of temaseks cm13 (like one of July or so). There i had no such problems. I then have tried Beanstalk rom, where i first mentioned this problem. Then (2 days ago) i have clean installed current temasek cm13 and all looks good. But yesterday i experienced the same issue with 2G networks.
Can anybody help me pls??
Thanks in advance
timmae

Lets assume you have data on sim2. Go to settings and disable Sim1. Open data settings on Sim2. Select lte on the dropdown (even if its checked). Open data, you will get lte. Then enable the Sim1.
Not sure what is causing that issue when having 2 sims, although this workaround is working for me on cm13.

Sgmaster said:
Lets assume you have data on sim2. Go to settings and disable Sim1. Open data settings on Sim2. Select lte on the dropdown (even if its checked). Open data, you will get lte. Then enable the Sim1.
Not sure what is causing that issue when having 2 sims, although this workaround is working for me on cm13.
Click to expand...
Click to collapse
This workaround works! Thanks a lot!
Hope it will get fixed soon.

timmae87 said:
This workaround works! Thanks a lot!
Hope it will get fixed soon.
Click to expand...
Click to collapse
Welcome

Random disconnection on 4g network

I use my nexus 6p on JIO 4g network in india. JIO is a 4g only service. My device just randomly reconnects to the network, i assume it is switching bands. On Jio the nexus 6p volte is not working so i use a voip app provided by Jio itself. Due to the random reconnection problem im not able to make calls or download while moving. Can somebody provide an insight on the issue. Is it only me or is anybody else facing the same issue.. Thanks.

Oreo - VoLTE - Enhanced 4G LTE Mode gone

Hi there.
since the officiel oreo update I have no more VoLTE (HD) capabilities and the setting option is gone. The search finds it but when I select "Enhanced 4G LTE Mode" from the search I get to the cellular network settings where I do not see this option. Any Ideas?
Regards

its enabled by default ,i got HD icon on status bar for airtel 4G

Rohit99 said:
its enabled by default ,i got HD icon on status bar for airtel 4G
Click to expand...
Click to collapse
You always have the HD symbol or only when you make a volte call?

saski4711 said:
You always have the HD symbol or only when you make a volte call?
Click to expand...
Click to collapse
Always...

saski4711 said:
Hi there.
since the officiel oreo update I have no more VoLTE (HD) capabilities and the setting option is gone. The search finds it but when I select "Enhanced 4G LTE Mode" from the search I get to the cellular network settings where I do not see this option. Any Ideas?
Regards
Click to expand...
Click to collapse
For me the same. Was and after update to Oreo, gone. Network EE UK. :crying:

Hi i have the same problem and my network support volte. I am on nougat.

Paradox♀ said:
Always...
Click to expand...
Click to collapse
It shall be there only when network supports VoLTE calls.
Barmenchik said:
For me the same. Was and after update to Oreo, gone. Network EE UK. :crying:
Click to expand...
Click to collapse
pardalos said:
Hi i have the same problem and my network support volte. I am on nougat.
Click to expand...
Click to collapse
Maybe be they disabled some of the frequency bands which your network is using.

I also need this Option back, my provider doesn't support SMS on Enhanced 4G LTE Mode. So I have to manually switch back to 3G to receive a planned SMS and then back to 4G... Is there a way to somehow unhide this option, because it looks like it is available in the settings when you search for it, but if you click on it you only end up on the mobile network page.

I have this option.

Apoorv AR said:
I have this option.
Click to expand...
Click to collapse
Don't see this option anymore. Maybe my carrier does no longer support VoLTE on my MIA1 or the oreo update broke the support. Anyone out there in Germany with a VoLTE enabled plan where VoLTE still works on this device?

Apoorv AR said:
I have this option.
Click to expand...
Click to collapse
Me not, and I also don't see any HD Icon on the status bar. Can only say that SMS was working before when I switched off the Enhanced LTE stuff and now it's not working anymore.

sandrocks said:
It shall be there only when network supports VoLTE calls.
Maybe be they disabled some of the frequency bands which your network is using.
Click to expand...
Click to collapse
How can i see which bands is my phone using ?

hi, it happened also in Indonesia, my HD logo dissapear, now I cannot use sms or data call without volte apps.
tried to re-flash 7.8.23 still the same, seems IMS has been blocked.

For me to... In Network setting this option is not on the list. But it shows in searching settings and after I select its not om the list...

I have the same issue on O2 Carrier Germany. SIM card is not provisioned for VoLTE but it works when used on a Galaxy J5 2017
As soon i put it in my Mi A1 upon calling there is a fallback from 4G to 3G
I also have a Vodafone SIM which is provisioned for VoLTE and in this way the option Enhanced LTE appears but has no effect because when performing a call there is again a fallback from 4G to 3G
I have now Oreo + January patch and still it does not work
Also HD voice is not working. When performing a call from my phone no HD is seen on the other endpoint and no notifaction on mine
If i get a HD voice call from another phone connection is established and quality is good but no indication on Mi A1 that it is a HD voice call

Absynth30 said:
I have the same issue on O2 Carrier Germany. SIM card is not provisioned for VoLTE but it works when used on a Galaxy J5 2017
As soon i put it in my Mi A1 upon calling there is a fallback from 4G to 3G
I also have a Vodafone SIM which is provisioned for VoLTE and in this way the option Enhanced LTE appears but has no effect because when performing a call there is again a fallback from 4G to 3G
I have now Oreo + January patch and still it does not work
Also HD voice is not working. When performing a call from my phone no HD is seen on the other endpoint and no notifaction on mine
If i get a HD voice call from another phone connection is established and quality is good but no indication on Mi A1 that it is a HD voice call
Click to expand...
Click to collapse
Same here for Telekom(Germany) with VoLTE enabled SIM. With Android N I got the HD Symbol and VoLTE was working within Telekom calls. With the Oreo Update that feature is gone. Regarding HDVoice (AMS-WBR): That works well for me too but I believe the HD Symbol is only shown if VoLTE is being successfully negociated between the phone and the carrier (?)

from MIUI forum, about ours issue...
At the moment VOLte is disabled in the device, in the future, after correcting more important errors, this function will be turned on at the software level
True or not I don't know..
EE support tell me,they do not support HD Voice and VoLTE on Mi A1 maybe in the near future .. BUT I saw this icon before the update and the choice was in the settings!

OMG. Im flash back clear Android 7.1.2 (7.12.19) and VoLTE ON !!!
so flash back to Android 8, ALL VoLTE settings locked again!! Android 8 issue

Barmenchik said:
OMG. Im flash back clear Android 7.1.2 (7.12.19) and VoLTE ON !!!
so flash back to Android 8, ALL VoLTE settings locked again!! Android 8 issue
Click to expand...
Click to collapse
could you point me to the exact same firmware version you have been using? that was successful?
I read a O2 German user reported VoLTE works on a October 2017 Nougat version but he didn't mention the exact version.

Hey! To get VoLTE again, you have to type *#*#86583#*#* (or *#*#VOLTE#*#*).

Calling bug in all Orio ROMs

Unable to make call from non LTE SIM in all Orio roms if there any LTE(4G) SIM enabled for data.
If any solution is there please share.

sinha500 said:
Unable to make call from non LTE SIM in all Orio roms if there any LTE(4G) SIM enabled for data.
If any solution is there please share.
Click to expand...
Click to collapse
Are u using 2G or 3G btw call works and now m using pixel xperinence voLTE is working too

Sunny Za said:
Are u using 2G or 3G btw call works and now m using pixel xperinence voLTE is working too
Click to expand...
Click to collapse
Using 2g for voice. Volte working for me also but unable to make call from 2g/3g sim. But if there is no signal in 4g sim then calling working from 2g sim

sinha500 said:
Using 2g for voice. Volte working for me also but unable to make call from 2g/3g sim. But if there is no signal in 4g sim then calling working from 2g sim
Click to expand...
Click to collapse
Change the rom then?

Sunny Za said:
Change the rom then?
Click to expand...
Click to collapse
Yah using miui again

Data gone when call comes.

I'm on latest ROS MIUI and while playing game of streaming YouTube if I get a call my Data is disabled. Please help. Thanks

!!!!!!!Root2!!!!!! said:
I'm on latest ROS MIUI and while playing game of streaming YouTube if I get a call my Data is disabled. Please help. Thanks
Click to expand...
Click to collapse
Your explanation is not clear. It looks like some words are arranged randomly, to form a sentence. Try being more clearer. Otherwise no one will be able to help you.
Sent from my lavender using XDA Labs

ssaikia3 said:
Your explanation is not clear. It looks like some words are arranged randomly, to form a sentence. Try being more clearer. Otherwise no one will be able to help you.
Click to expand...
Click to collapse
Okay I'll explain you the situation.
I play clash of clans and it works on internet connection. Yesterday I was playing it and my mom called on my phone. I didn't pick I just pushed up the call notification. I started getting weak signal message in game and my connection was lost.
After that I received a call again then I put call on speaker and turn on Data to use WhatsApp. When I send message it doesn't go. I think my internet connection stops when call is going on. Is it clear now? Sorry my Ingles is bad.

!!!!!!!Root2!!!!!! said:
Okay I'll explain you the situation.
I play clash of clans and it works on internet connection. Yesterday I was playing it and my mom called on my phone. I didn't pick I just pushed up the call notification. I started getting weak signal message in game and my connection was lost.
After that I received a call again then I put call on speaker and turn on Data to use WhatsApp. When I send message it doesn't go. I think my internet connection stops when call is going on. Is it clear now? Sorry my Ingles is bad.
Click to expand...
Click to collapse
Yes it's lot more clear now. And about your issue, could it be a solution to use the "data during calls" toggle under your sim settings? Honestly, I don't know much about it, as I never have faced the scenario you just described. Anyway, if this doesn't help, I hope someone with a better idea will answer you. Good luck!
Sent from my lavender using XDA Labs

ssaikia3 said:
Yes it's lot more clear now. And about your issue, could it be a solution to use the "data during calls" toggle under your sim settings? Honestly, I don't know much about it, as I never have faced the scenario you just described. Anyway, if this doesn't help, I hope someone with a better idea will answer you. Good luck!
Click to expand...
Click to collapse
There's no such option in Sim I checked before. Maybe something to do with firmware. Anyway thanks for help.

!!!!!!!Root2!!!!!! said:
I'm on latest ROS MIUI and while playing game of streaming YouTube if I get a call my Data is disabled. Please help. Thanks
Click to expand...
Click to collapse
It is normal, you are playing games in 4g/LTE mode but when you got a call your sim mode needs to switch to 3g mode. That's the reason you got a slower internet connection while there is calling. The VoLTE mode is what you need, for you to use data connection while you are talking to someone in a call, but i think you sim card doesn't support VoLTE mode. Try to research about your sim card if it's VoLTE capable. Here in the philippines there is no VoLTE capable sim. I hope this helps. Thanks.

cantfool said:
It is normal, you are playing games in 4g/LTE mode but when you got a call your sim mode needs to switch to 3g mode. That's the reason you got a slower internet connection while there is calling. The VoLTE mode is what you need, for you to use data connection while you are talking to someone in a call, but i think you sim card doesn't support VoLTE mode. Try to research about your sim card if it's VoLTE capable. Here in the philippines there is no VoLTE capable sim. I hope this helps. Thanks.
Click to expand...
Click to collapse
Yes bro my sim is volte supported. Before I flashed cr 6.0 this never happened. But in cr 6.0 I started getting this problem. Even after switching to ROS MIUI it's there.

!!!!!!!Root2!!!!!! said:
Yes bro my sim is volte supported. Before I flashed cr 6.0 this never happened. But in cr 6.0 I started getting this problem. Even after switching to ROS MIUI it's there.
Click to expand...
Click to collapse
Do you have the volte icon on status bar? Maybe you network preference (GSM/WCDMA/LTE) is wrong, trying to use 2G/3G if available, instead 4G. Try to switch to "LTE only" and check if you can make call.

vlouis said:
Do you have the volte icon on status bar? Maybe you network preference (GSM/WCDMA/LTE) is wrong, trying to use 2G/3G if available, instead 4G. Try to switch to "LTE only" and check if you can make call.
Click to expand...
Click to collapse
I flashed Superior is yesterday. The ROM is volte supported but still I'm not getting volte! I tried lte mode but can't use data while in call. I'm really frustrated now. :crying:

!!!!!!!Root2!!!!!! said:
I flashed Superior is yesterday. The ROM is volte supported but still I'm not getting volte! I tried lte mode but can't use data while in call. I'm really frustrated now. :crying:
Click to expand...
Click to collapse
The ROM is volte supported but still I'm not getting volte!
Not enough, you need to have volte (4G voice) activated on your sim card too!
I tried lte mode but can't use data while in call.
If in call the connection mode change from LTE/4G to H/3G or 2G, you don't have volte. Try to call somebody, and check the status bar network icon. Only 4G with volte able to have call and data same time.
I recently get volte working on my phone (after sending a "I want volte" mail to service provider).
This depend on service provider, some activating volte only for "officially supported" phones (my case), some automatically for all, and some have 4G network only for data and for voice using only the "old" 3G/2G.

vlouis said:
The ROM is volte supported but still I'm not getting volte!
Not enough, you need to have volte (4G voice) activated on your sim card too!
I tried lte mode but can't use data while in call.
If in call the connection mode change from LTE/4G to H/3G or 2G, you don't have volte. Try to call somebody, and check the status bar network icon. Only 4G with volte able to have call and data same time.
I recently get volte working on my phone (after sending a "I want volte" mail to service provider).
This depend on service provider, some activating volte only for "officially supported" phones (my case), some automatically for all, and some have 4G network only for data and for voice using only the "old" 3G/2G.
Click to expand...
Click to collapse
Oh bro my sim card is already volte supported but still I wasn't getting volte. I fixed it by flashing 10.3.6 firmware in ofox. Now my volte is back.