[Q] Loss of mobile data connectivity - AT&T - Galaxy Note 3 Q&A, Help & Troubleshooting

It happened 4 times on my Note 3 in the last 10 days. I'm home or at work under wifi. Go out and try to use mobile data and I get an error message that I have no connection. Yet my LTE signal shows 50% and above in signal strength. I tried to turn on airplane mode to turn it off to force my phone to latch onto the closest cell tower and it's still doesn't fix the issue. If it happens while I try to upload some files, I check my email or try to browse the web and it confirms that I have no working connection to the web. I end up rebooting my phone and it fixes the issue. It's as if the phone is still looking for my wifi connection and "forgets" to switch to cellular connection once I leave the building. I know there is a setting under wifi that says to auto switch between wifi and mobile network but it doesn't seem to make a difference.

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Connectivity issues?

I've found I cannot connect to Facebook sometimes, upload pictures to skydrive, or use xbox live, and find my phone only kinda works sometimes. Am I missing something? I set up my LIVE account and Facebook account during initial setup.
You are connected to Wi-Fi or 3G when you try these things right?
If you're using 3G while doing these things, it's possible that you are having some weak signal strength in your area which is probably not enough to connect to those services.
I've been doing these things over a strong 3G signal. The data connection drops in and out. Sometimes turning on airplane mode then turning it back off will restore data. However, it shows 3G the entire time. I have no visual cue that the data isn't working unless I try connecting to a service and it errors out.
seanlindo06 said:
I've been doing these things over a strong 3G signal. The data connection drops in and out. Sometimes turning on airplane mode then turning it back off will restore data. However, it shows 3G the entire time. I have no visual cue that the data isn't working unless I try connecting to a service and it errors out.
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Do you have the same issues with a wifi connection?

[Q] Wifi connection issues

Ran into some weird issues this weekend with my wifi connection with my focus.
The phone would randomly disconnect from my home network (strong signal, secured) and connect to an open network with weak signal. I would find this out as I would try to do something that required data and it would just hang and do nothing, I would have to go into settings and disconnect from the open network, reconnect to mine.
Frustrating that there was no way to force it to use our home network or to forget the other network and it stay forgotten.
Anyone had any similar issues. It was just this one day it did it, but was incredibly frustrating. I'm still within my 30 days, so if this is going to be an ongoing issue, I might should reurn the thing for something else.

Disable Cell Signal

I upgraded to another phone, but the DX is still receiving cell signal (probably roaming), is there a way to permanently turn off the radio other than using airplane mode?
Also, the Wifi currently have a very poor connectivity with my school's 802.1x network (takes multiple tries to connect/randomly disconnect even with good signal), is there a way to improve/fix this? It worked very well at my home wifi network.

Problems with Smart Wi-Fi and Data Connection

Just popped open my S4 yesterday, and it has been fantastic. I've just been wondering if anyone else has been experiencing a problem with the smart wifi feature. Whenever you leave it on, if a Wifi Signal is a dynamic IP it seems to drop it if you move around within the area and is unable to connect with other routers hosting the same connection, however, when it switches to the data, either 3g or 4g, I am unable to resume data connections over the network, even after waiting a few minutes, and sometimes have had to restart it. Any others having this problem? Or am I just impatient.

H910 can't find WiFi access when having no mobile signal or in flightmode

Hey folks, Im having a very weird issue.
I can't find / connect to Wi-Fi spots when I'm having no mobile signal or when I'm in flight mode.
As soon I have mobile data and a carrier the wifi accesses appear.
This is so annoying because at home I'm in a low signal area and sometimes my wifi crashes and then the wifi can't connect again because of the lag of mobile signal.
I attached some. Screens.
I tried to reset the network settings, no success.. But I don't wanna do a factory reset..
Any ideas? Never heard about that kind of issue. No matter which phone.
Ok found a solution. I removed the WLAN - n support by changing the router and now I finally can connect to the wifi without sim card or mobile repection.. Due the N thing my router didn't show in the menu without having signal.

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