Network issue on Nexus 6 - Nexus 6 Q&A, Help & Troubleshooting

On my Nexus 6 I can't make a call on LTE network. But I have more than 80% signal strength. I switched into 2G and 3G network mods but no network is available is shown. Only LTE network is shown., and I have using a Vodafone sim in India how to solve this. Is this a network problem with Vodafone .; or my phone issue?? Anyone help me... I would like to root my Nexus 6. Is this a any baseband is available on Nexus 6 to flash.help.....

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3G /WCDMA Mode Problem Signal Loss

Getting to the point, I have CM 6 on my Milestone and the Problem is that i get the H symbol when i force WCDMA only through *#*#4636#*#* But i get less than 2G speeds..My friend with SGS 2 gets speeds above 4mbps.
Network: Airtel 3G.
Mode:WCMA Only
CM 6 Froyo
Note: I used to get high speeds in the same rom,same sim but not now..If anybody experience the same problem and resolved the issue please help.

Signal switches from LTE to HSDPA wtf?

Where I live I have decent LTE signal strength about -85dbm in the house. Currently my phone says LTE, but if I make a phone call the network automatically switches to H, and internet is incredibly slow. When I get off the phone the network will still stay on H but internet browsing speeds will improve.
Restarting the phone does not seem to fix the issue, and it will take hours for it to go back to LTE. The only way I've found I can get it right back to LTE is by calling T-Mobile and having them reset my phone to the cell tower and I will regain full signal.
Can someone explain to me what in gods name is going on. I'm running stock android 5.0.1
Thank you
Sent from my Nexus 6 using XDA Free mobile app
Nexus 6 does not support Voice over LTE (VoLTE) on T-Mobile network or VoLTE is not in your area. That is why its changing to HSPA speeds when you make the phone call.
The connection to HSPA should go back to LTE after your phone call is done though, even though it isn't doing that for you.
Thank you. But is there any reason when switching to the HSDPA network and on call my service is so miserably slow? Its like being in a 14.4k modem. Takes forever to load something.
Sent from my Nexus 6 using XDA Free mobile app
Have you tried updating your modem/radio? Verified APN settings? New SIM card?
I have T-Mobile and there's no VoLTE where I live but the speeds are still 20mb/s with H+ while I'm on a call. VoLTE would be nice but I don't think its enabled in any network for the Nexus 6 yet.
Hopefully when N6 gets TMo WiFi Calling, VoLTE support gets added. It would be nice
I updated the radio when I flashed the newest 5.0.1 update. I did the update manually so I know I flashed the updated radio... This was one of the issues I had with the original 5.0.0 software that I was hoping the update would fix.
Sent from my Nexus 6 using XDA Free mobile app
How do I verify the APN and make sure everything is correct with that?
Sent from my Nexus 6 using XDA Free mobile app

No signal on nexus 6 .Based in India

I'm based in India . I am not getting any signal on my nexus 6.
My Settings are as follows:- Preferred network is 3G.

3G connectivity problem | getting "!" symbol in the network | India

Hi Guys,
I'm using Airtel India network (karnataka)
I'm unable to get 3g connectivity from past 6 days and as we all know 4g is not supported in Nexus 6.
Only 2g is getting connected and surprisingly my sim card is working fine with 3g network with other handsets i checked.
I have tried contacting airtel several times and have not got any response apart from stating that everything is fine at their end.
I just wanna know if this a handset problem or the network issue ?? and how to fix it
Does anybody else facing same issue?
Just to clarify something, the Nexus 6 does have 4G. It displays "LTE" on the signal strength meter when 4G is connected.
What steps have you taken to diagnose the problem? We have no way of knowing whether the handset has gone bad or the network is having problems without some work from you. For instance, have you tried a new SIM? Have you checked your APN? Done a factory reset?
Well my Nexus 6 didnt pick up signal from my sim card. Sim card is working in other phone so visited the service centre and they inserted another sim and the signal was not picked either. Now the phone is in service centre.
Now for the surprise part!!!!
the other phone which i inserted my sim card is a new box piece of MI redmi Note 3 which worked fine until now. Now i'm getting 3G symbol in this phone as well and nothing is getting connected. lost LTE connection and not getting connected.
LTE never worked in my Nexus 6 and was not aware i could use 4g in Nexus 6 since i am using 4G enabled sim and never got LTE connectivity (PS i stay in India).
I'm lost now.
Your SIM could be damaged. It's not common, but SIM cards do fail. I had it happen on another device and lost voice and data until I could get a new SIM. Fortunately for me the SIM didn't damage the equipment, which again isn't common, but possible.
The fact your new device is exhibiting the same symptoms as your Nexus and only doing so after inserting the SIM leads to one inescapable fact: your SIM is damaged. When your Nexus is returned to you, get a new SIM.
Nexus 6 does support LTE in India through 1800 MHz Band, ie Idea and Vodafone.
Airtel is using 2300 MHz which is not supported by the Nexus 6, that's why you are not able to latch on to Airtel LTE.

Data Connection Switching Leaves One Sim With No Service

The problem im facing with my Xiaomi Mi5 is that whenever i switch the data connection from Sim 1(Jio 4G) to Sim 2(Airtel), sim 1 loses the signal and remains unavailable for calls both incoming and outgoing. I tried to change the preferred network type and swapped the sim slots but nothing seems to work. If you guys can help plz do so.
Note: Sim 1(Jio 4G) is 4G only network it doesn't work on GSM or WCDMA.
the non-data line only does 3g, or 2g if 3g isn't available..
Bhatyasirr said:
The problem im facing with my Xiaomi Mi5 is that whenever i switch the data connection from Sim 1(Jio 4G) to Sim 2(Airtel), sim 1 loses the signal and remains unavailable for calls both incoming and outgoing. I tried to change the preferred network type and swapped the sim slots but nothing seems to work. If you guys can help plz do so.
Note: Sim 1(Jio 4G) is 4G only network it doesn't work on GSM or WCDMA.
Click to expand...
Click to collapse
+1
I'm also facing the exact same problem!!
But I think it is operator-specific because Jio 4G does not support 2G/3G networks but only 4G LTE. However, Airtel 4G on the other hand switches to 2G/3G networks when not using data services.
daniell007 said:
+1
But I think it is operator-specific because Jio 4G does not support 2G/3G networks but only 4G LTE. However, Airtel 4G on the other hand switches to 2G/3G networks when not using data services.
Click to expand...
Click to collapse
Thats what I thought until I checked it on Asus Zenphone 2 it works perfectly fine with other sim on 3G and Jio on 4G.
When I'm using data on 4G on Mi5, the other sim gets 3G network but fluctuates very much and if you change it to 2G only, it will automatically get back to 3G network.

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