M7 lost network - One (M7) Q&A, Help & Troubleshooting

My friends M7 has just started to play up. It can find the SIM but cant connect to any cell network. Wifi and BT are OK though. Is this likely to be a hardware or software error? It does it with all SIM cards. It knows what network the SIM is, its just got no signal.

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[Q] Roaming signal problem!!

I noticed this strange issue with my captivate. When I am changing the network area/change to roaming, the signal disappears.
But when I insert a local sim signal appears and then I am able to my original sim too.
No help guys?

EXT Network issue Canada

Hi, looking for some assistance (again). I have had issues with getting the correct data network on my phone.
The phone is a HTC One M7, I bought it sim free in the UK.
I have put a virgin mobile sim card in the phone and the only network that comes up is EXT, when I try to connect it states that my SIM is not allowed a connection to this network. This only happens where I stay which is out of town. I had the same issue with a TELUS sim too. The only one that works is a Rogers one but I only get EDGE.
In the city they all work fine giving me LTE or HSPA+.
Please could somebody assist?

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.

Samsung note 9 N9600 VZW network issue

Hi guys,
My toy is a samsung note N 9600 and its factory unlocked. Last week ported out from T-mobile to keep my original number and facing a wried issue.
The day I ported out from T-mobile, VZW network couldnt be recognized when I tried to activate the VZW sim card. "No network connection." and no call or text can be made. However, after I RESET my device to factory model, it SUCCESSFULLY recognized VZW and LTE function works well. Sounds wried? The story doesnt end here.
Yesterday after I turned off the VZW sim card by accident-- n9600 is a dual sim card which allows you to turn either sim card off-- the network connection lost again, im not talking about LTE connection, but all network service including internet, phone call and text function. Tried a lot to get the connection back but failed. Guess what? RESET, THEN VZW comes back!!! Being driven by curiosity, I turned off the sim card agian, and then, as my expect, no network connection. Ok, rest---works---turning off sim card---no connection---reset……
I am really annoyed by this and have no idea why it is. So if anyone of you have clue of it, plz let me know. Thank you in advance!
Teddy
No one experienced same issue before?

MIA2 Dual SIM issue

Hi every one , I hope you are doing well . Im facing a issue when i have entered dual SIM in my hand set , my new SIM is registered and showing up in SIM cards hence network has been registered but unfortunately there are no signals and on calling getting issue of no network found. Can any one help me in this regard

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