[Q] Mobile data not connecting - Note Edge Q&A, Help & Troubleshooting

I live in an area where I usually can't use mobile data so I just keep it turned of until I need it. I just use wifi at home as I'm too far out in the country to pick up a data signal. Two to three times a week when I do turn on mobile data it does not connect. I have to restart the phone, and then it connects right away. Not a battery pull. ..just a restart. Anyone else have this issue? I'm on Verizon.

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Wifi\LTE connection issues. Wifi not updating or scanning networks.

I'm using my phone on ATT, in an area with pretty good LTE coverage. My bootloader is unlocked, and phone is rooted. Stock rom. I have one wireless network saved, which is my home network. I manually set this up when I got my Nexus 5, I did not import wifi settings from a backup. For the first few weeks, everything was fine. This is a relatively new problem I've noticed, maybe the past week or so.
My daily routine generally goes, leave for work in the morning, come home in the afternoon. I'll start my day connected to my home wifi. When I leave, most of the time it will connect to LTE. Maybe only 10 - 15% of the time, it will connect to HSPA, and just show the "H" icon, not LTE. If I'm stopped at a stop light, I can toggle airplane mode, and it will automatically connect to LTE, even though I'm in the same physical location and haven't moved. Along the way to work, which is about a 5 mile drive, I can notice it searching for wifi networks, picking them up all along the way. I can check the available wifi list, and see it updating. I get to work, and it will pick up the wifi networks there, which I do not connect to. It stays on LTE all day.
8 hours later when I leave work, wifi is no longer scanning for networks. Even if I go into my wifi options, and manually choose "Scan", it won't update the list. I'll go 5 miles home, and it'll still show the same work wifi networks with nearly full strength, despite being miles away. Hit "scan" again, and nothing. Doesn't refresh the list. If I try to connect to one of the far out of range work ones, it'll just switch to "saved". Toggle airplane mode, and it'll start scanning networks again, and automatically connect to my actual saved home network.
I've toggled all the settings in the advanced wifi options. I've tried the FXR WiFi Fix and Rescue app (https://play.google.com/store/apps/details?id=com.brilliapps.wifiandmorefixer), which deletes all my saved wifi settings and re-added it, still the same issue.
Simonzi said:
I'm using my phone on ATT, in an area with pretty good LTE coverage. My bootloader is unlocked, and phone is rooted. Stock rom. I have one wireless network saved, which is my home network. I manually set this up when I got my Nexus 5, I did not import wifi settings from a backup. For the first few weeks, everything was fine. This is a relatively new problem I've noticed, maybe the past week or so.
My daily routine generally goes, leave for work in the morning, come home in the afternoon. I'll start my day connected to my home wifi. When I leave, most of the time it will connect to LTE. Maybe only 10 - 15% of the time, it will connect to HSPA, and just show the "H" icon, not LTE. If I'm stopped at a stop light, I can toggle airplane mode, and it will automatically connect to LTE, even though I'm in the same physical location and haven't moved. Along the way to work, which is about a 5 mile drive, I can notice it searching for wifi networks, picking them up all along the way. I can check the available wifi list, and see it updating. I get to work, and it will pick up the wifi networks there, which I do not connect to. It stays on LTE all day.
8 hours later when I leave work, wifi is no longer scanning for networks. Even if I go into my wifi options, and manually choose "Scan", it won't update the list. I'll go 5 miles home, and it'll still show the same work wifi networks with nearly full strength, despite being miles away. Hit "scan" again, and nothing. Doesn't refresh the list. If I try to connect to one of the far out of range work ones, it'll just switch to "saved". Toggle airplane mode, and it'll start scanning networks again, and automatically connect to my actual saved home network.
I've toggled all the settings in the advanced wifi options. I've tried the FXR WiFi Fix and Rescue app (https://play.google.com/store/apps/details?id=com.brilliapps.wifiandmorefixer), which deletes all my saved wifi settings and re-added it, still the same issue.
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https://www.youtube.com/watch?v=mmQgiPIYLrU

Data Goes Away / Very Low Sometimes

On certain ROMs, such as Cataclysm, my data signal goes away after disconnecting from the WiFi. But this has been happening on several other ROMs, too, and I can't seem to find the reason behind it. In case it matters, I'm using my phone on Sprint, data works fine with the stock ROM, and problem starting occurring more often after the 4.4.1 update. Any suggestions?
Sent from my Nexus 5 using XDA Premium 4 mobile app
What you described looks similar to my problem.
I’ve been flashing 4.4 and then 4.4.1 ROMs on my Nexus 5 since I’ve got it early November, but I have not updated bootloader and radio up until yesterday. This week being on Slim 4.4.2 beta 1.5 I couldn’t connect to mobile data even though I had 4 bars and it was showing 3G or H (no LTE here yet, at least for me). GPS was fixing my location on Google maps, but navigation was not able to recalculate the route and was not moving my position along the way. Only when I switched from navigation to map, it was showing me as moving accordingly. Maps also couldn’t search for the address I was looking for. Now I realize it was a data connection problem.
So I thought it’s because I’m using 4.4.2 ROM on 4.4 bootloader and radio. Yesterday I downloaded Google 4.4.2 factory image and fastboot flashed all (efrant, your guide is irreplaceable!), formatted cache, did a factory reset and all. I wanted to have 100% factory state device. What a surprise today morning, when I realized I have no mobile data. Orange 4 bars signal with 3G or H. No internet though. Rebooted – the same: max signal, no internet. I turned Airplane mode on and off. Signal is back and I have internet, but bars still stay orange. So I rebooted. No internet on full 4 orange bars. Airplane mode switch on and off – mobile data regained, yet still orange.
When I reached the office I turned on WiFi. Got strong WiFi connection, bars went white, both WiFi bars and mobile bars (in Quick Settings). I switched off WiFi – mobile data is not reconnecting, staying orange, showing 3G or H. Sometimes it’s coming back after few seconds, sometimes it requires switching Airplane mode on and off to bring it back.
WTHell?
I was never putting much attention to mobile data because at home and in office I’m on WiFi, and while driving I’m listening to audiobooks so I don’t see what’s going on with mobile data. Sometimes I take a train, and then I’m browsing xda – I don’t recall having connection issues in train up until recently. But what I recall now, for some time, when coming back home and turning on WiFi, email notifications were popping up immediately. Does it mean I had no mobile data and phone synced only after it had WiFi?
This is annoying and driving me mad. Do I have to fastboot flash 4.4 factory image to see if it’s gone on 4.4?
Any ideas what can I check before going through factory img flash again?
Does your data eventually kick in after a few minutes, or are you without data for an extended time after disconnecting wifi? I know with Cataclysm if you enable Smart Radio it takes some time for data to ramp up after disconnecting wifi, although I'm not sure about how other ROMs handle this.
I'm on full stock 4.4.2 now, just roorted with SuperSU 1.80, no mods at all. I wanted to check if it is related to custom ROMs or general.
It's random, after switching WiFi off, mobile data sometimes comes back after minute (rarely) but more often I need to switch Airplane mode on and off to bring internet back, but even this does not work all the time.
Mobile toogle shows 4 bars with 3G or H in orange colour (screen attached) when there's no data or there is data. Never goes white for mobile data (I remember it used to). Now it becomes white only after I switch on WiFi (2nd screen attached).
Hopefully it's not this but I've been seeing more and more people starting to experience it. Mine started acting up slowly and then now it's having the issue in the thread linked below.
http://forum.xda-developers.com/showthread.php?t=2525583
I've seen this thread, but my problem is different. I'm not getting the "emergency calls only" message. I can call or receive calls without problems. It's mobile data which can't reconect after switching off WiFi, even though mobile signal is strong - 4 bars and it's showing its on 3G or H. And Why it stays orange even after it finaly regains mobile data?

[Q] T-Mobile Tether, data keeps failing randomly

Hey,
I have a Nexus 5 that is set up to basically act as a router using wireless tethering. I live in an area where I constantly have full-blast LTE that is usually above 30Mbps. For about a month, everything's been great until this last week. Now, every few hours my data connection gets killed completely after anywhere from a few minutes to a few hours after tethering has been running. Data stops working on all tethered devices as well as the Nexus 5. Entering airplane mode and then resetting the WiFi tether fixes the symptoms, and if that fails, restarting fixes it.
I've disabled wireless_tether_dun (sp?), switched to IPv4 and I sometimes use a VPN that passes through all network traffic through the VPN. Even with VPN disabled, the data drop keeps happening.
I know there are so many things that can be going on, but has anyone else noticed this recently? I'm wondering if it is a hardware issue, a signal issue, or perhaps T-Mobile has changed something on their side of things that is killing my somewhat obvious abuse of their network.
x2
jondwillis said:
Data stops working on all tethered devices as well as the Nexus 5. Entering airplane mode and then resetting the WiFi tether fixes the symptoms, and if that fails, restarting fixes it.
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I am having the exact same issue -my post- in a completely different place, only I have been assured it is completely fine to use my phone on the network in this way. Did you ever find a solution to this?

[Q] Constantly loosing connection

Almost since I got my nexus 5 last year it has been loosing its connection about two times per day. It does this in three different ways.
1. total loss. The little outline of a triangle appears and a notification that I have lost my connection. Clicking the notification opens the manual selection of networks. I select the network and all is fine.
2. full connection with an exclamation mark. solves it self by waiting for a while.
3. full connection with H/3G but when trying to access the internet there is no connection. This one is really weird. The solution here is top open the quick settings, select flight mode, which greys out the connectivity triangle but keeps the H or 3G part white on top of the greyed out triangle that has a slash over it. About a minute later the H or 3G disappears and I can turn off aeroplane mode. This either restores the connection or jumps to problem one.
First I thought its a hardware problem, but since I don't want to part with my phone I never sent it back to google for fixing.
When android 5.1 was released I installed that manually and surprisingly did not have any problems at all after this. But then I went abroad and using the same sim connected to a local network in the country I went to. It took 4 tries to join one of those networks. When I then came home this problem started again.
My thought is that there is some setting that should be there that stayed from my trip. I have tried clearing all caches from the storage in settings and the dalvik cache. No difference. I'm not to keen on re-installing my phone again. So my question is, has this happened to anyone else? Did you solve it? Is there something I can do to remove all previous settings for the network to make it work again? Other suggestions?
This happens to me, at least 4 times a day for me, it has only been doing it since I installed 5.1 on my nexus 5, which was a brand new one from Google since I smashed my screen and they just gave me a new one, I'm in the UK btw, not sure where you are but it does take forever to connect to mobile network when I turn wifi off too.
I constantly lose connection at my house going from E to H+ to LTE throughout the day
Sent from my Nexus 5 using XDA Free mobile app
kieran_bondflashy said:
This happens to me, at least 4 times a day for me, it has only been doing it since I installed 5.1 on my nexus 5, which was a brand new one from Google since I smashed my screen and they just gave me a new one, I'm in the UK btw, not sure where you are but it does take forever to connect to mobile network when I turn wifi off too.
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I'm in Spain.
For me it happened before 5.1 as well. But 5.1 fixed it temporarily, until I travelled with my phone. Have you had to switch to another network with that phone?
For some reason when manually looking for a network it seems to be running on a timeout function because it takes me 60 seconds to get the list, always. This feels like a very antique solution, they should just populate the list as a network is found like wifi does it.

WiFi issue. Sometimes it doesn't connect after being on mobile data.

Hi,
I'm facing a very annoying issue for a while and so far i wasn't able to figure out why it happens.
Sometimes (not all times) after being on mobile data when i came home WiFi doesn't connect automatically to my network. I'm not sure if this would happen in other networks because i only use this one but i guess it's phone fault. When this happen, i go to WiFi settings, it detects the WiFi network but it can't connect even if i force it to connect. The only way to connect is to reboot the phone, thats why i guess its phone fault.
This is very annoying because it's not the first time i think i'm using WiFi and i'm using mobile data and my plan hasn't so much data.
Installed today 193_0 firmware but it stills happens.
This is happening to anyone else?

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