[Q] To all who has signal disconnection issues - Nexus 5 Q&A, Help & Troubleshooting

Has anyone tried installing a custom rom and kernel? If so, does the issue still persist? Just trying to see if this is an issue with stock rom or kernel, or just radio.

I have cataclysm and Franco r11 and today out of nowhere I lost phone signal all day, but when I switched off wifi, it's back. not sure if I have messed something up, I'm currently searching for posts with help.

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Wifi/Data signal keeps going out (CM10)

I flashed the latest CM10 build and I'm having an issue with my signal. It constantly keeps going out. I tried going back to stock and reflashing and I'm still having this problem. Is there any other solution to this?
Could you check this thread to see if it applies to your problem?
http://forum.xda-developers.com/showthread.php?t=1868903

[Q] Strange Problem?

Hi guys, I got the nexus 5 a while back and I have successfully rooted and flashed Cataclysm ROM with the Elemental Kernel.
I have a really strange problem where the WiFi does not work at all. I turn the WiFi on, but it does not scan and find any networks, so I cannot see any WiFi networks in the area. I reflashed the ROM cleanly and the problem went away for a while, but it is now back and I cannot find and networks around me.
The only network it picks up is my home network that I set the phone up with when it was working, but now I have to enter even that manually.
Any help would be greatly appreciated.
Does the wifi work when you do not use the Cataclysm ROM and it was completely stock? Or before you even started did you just root it and load a ROM?
mistahseller said:
Does the wifi work when you do not use the Cataclysm ROM and it was completely stock? Or before you even started did you just root it and load a ROM?
Click to expand...
Click to collapse
hehe yeah, i had stock for about 2 days but then cataclysm persuaded me!
That is strange because I am running it along with Franco Kernel and I am doing fine..... Are you doing anything else?

[P-3100]Signal issues after flashing CM 11 and then CM12.1

I basically have no signal ever since I flashed the roms. It says no service. The signal will go when I wake the device and sometimes it comes back when i connect to wifi. It is acting really weird. I dont remember exactly when this happened but I have been overlooking it for a month now since it wasn't as frequent, but now this is a permanent issue, I can't make any calls. I even just flashed CM12.1 in hopes of solving the issue with an update but it didn't work. Please help me out :crying::crying:
Can someone guide me on how to flash the modem, I read somewhere that it would fix the issue. The rom i am on right now is cm12.1 please help me out here

Wi-FI bug won't find home network.

Hello all, it all started on 5.1.1. I flashed a new build of carbon and suddenly it was searching for WiFi constantly and not finding it at all. So I did a clean install of exodus and then cm 12.1. So I went back to stock locked my boot loader on 6.0.1. The WiFi issue still persist. Twrp 2.8.7
1 and radio/modem for mmb29k. So my question is what is going on. Any hope for me or is device done for.
It is possible that the wifi chip is defective. I would try flashing a stock LP build to rule out mm as being the cause.
I had two nexus 5 phones that also suddenly failed to connect to any networks the wifi was stuck at "turning on". I could only solve the problem by swapping in a new motherboard.
Oh that sucks. Thanks for the reply. Will try your suggestion and will look further into this issue.

Do I need to flash anything other than just the ROM?

I recently rooted and flashed Sultan's MM ROM. I began to have network issues and this morning I saw No SIM Card error. Rebooting fixes it for a while, before it returns. I also see that the signal indicator drops to no bars a lot (used to have this on Lollipop too). I tried resetting APN settings. That didn't help much.
I flashed using TWRP 3.0.1. Could that be an issue? I see many threads saying that 2.8.6 was stable.
In this thread, the person said they had flashed CM Snapshot to address a similar error. Is that something I have to do? If so where can I find it? I am on TMo USA.
Or is there another fix?
Have you flashed latest modem?
http://blazingphoenix.in/mzo/ONE/Modems/

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