Mobile network issues when coming off wifi - Nexus 5X Q&A, Help & Troubleshooting

Hi I'm hoping somebody can give me some help. Every time I leave home I have problems with mobile network it seems to be every time I leave home and out of range of wifi. Play music won't stream and I get no notifications from any of my apps a restart usually sorts it out but its getting annoying keep turning it on and off, phone calls and text messages work fine tried sim in another phone not a network problem definitely something to do with the 5x, not had issues with wifi like other people seem to be having running stock 6.0.1, think I've covered what I can hope someone can help.
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Weird Data Issue

Ok guys, I'm getting frustrated with this data issues I've been having.
I've done searches everywhere and have yet to find any solutions or even anyone else with the same issue so maybe by chance someone here will have an idea.
Whenever I am heavily using my data connection (i.e. streaming music, you tube, constant web browsing) my data connection just goes dead. It stops streaming, stops loading websites, i get connection retry/timeout errors, etc etc etc.
This only happens over cell networks not wifi. My phone still shows the 3G or H connection icon like its still connected, but everything stops working. and the most annoying part is it happens after about 2-10 minutes of heavy data use. If I'm just lightly browsing the web (going to a website, staying there a little while then on to another link/site) it doesn't seem to do it as often, if at all.
After the data connection seems to go dead (still shows connected via 3G or H icon mind you), if I leave my phone alone for about 15-30 minutes, everything starts working fine again. But I usually get impatient and just go into the settings, disable data connection and then immediately re-enable it and it starts working again for another 2-10 minutes of heavy use!
As if all this wasn't weird enough, THIS PROBLEM HAS FOLLOWED ME FROM MY NEXUS ONE TO MY NEW G2! With my N1 tech support thought I had a faulty radio chip so they replaced the device and that didn't help, that's when I decided to sell the N1 and switch to the G2. Since then I've gotten a new sim card and that hasn't help. I thought maybe somehow it was my SD card, but it does it with the SD card removed too.
What the hell man?!? I'm at my wits end here.
Try to see if you can get a new sim card for free. I know thats sort of a strange issue but it you had it on both you nexus and g2 i dont even know what else to suggest.
Mog said:
Try to see if you can get a new sim card for free. I know thats sort of a strange issue but it you had it on both you nexus and g2 i dont even know what else to suggest.
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Already tried that too, it didn't help.
A bad wireless tower perhaps?
Sent from my T-Mobile G2 using XDA App
How many bars of signal do you have? I've noticed that the G2's data connection is pretty much useless if you have two bars or less of signal.
Sent from my T-Mobile G2 running Cyanogenmod.
I have a T-Mobile G2 and I have experiencing the same issue! And I can't figure out what the problem is. I have tried the new SIM card that came with the G2 and that didn't work. I am getting really frustrated and the Technical Support from T-Mobile isn't much help either. Does anyone have a solution?
I spoke with a representative yesterday and he asked me to change the following setting:
From your Homescreen, click the "menu" button --> Settings --> Wireless & Networks --> Mobile Networks --> Access Point Names --> T-Mobile Data
Click on T-Mobile Data and it will allow you to edit the access point. Select APN and change it to "internet2.voicestream.com" from "epc.tmobile.com".
He then asked me to restart my phone. It's been working so far (for a day)! I will keep you posted.
Sometimes T-Mobile will slow down ur speed if u've been using a lot of bandwidth. This will cause ur vids to stop playing/not play at all.
Sent from my T-Mobile G2 using XDA App

GSM full bars greyed out with no connection

Hey guys I've got the GSM version and every now and then my signal bars turn grey, this is with full signal even showing 3g buts its grey and won't call out or load data. I'm not a twit and understand that phones loose signal its just strange it comes back randomly also. Very annoying.
I'm on 4.0.1 Google build anyone else get this issue?
Sent from my Galaxy Nexus using xda premium
grey full bars
i dont have a technical response to this question other than i only notice this during times of transition between either booting up the phone or switching to wifi on or off equally.
The phone usually checks to sync when it has been on standby and you then hit the power button. If you theoretically switch between wifi and 3g/4g during this time it would force a transition which could yield a situation as you describe.
This happens to me too sometimes. What network do you have?
NIK516 said:
Hey guys I've got the GSM version and every now and then my signal bars turn grey, this is with full signal even showing 3g buts its grey and won't call out or load data. I'm not a twit and understand that phones loose signal its just strange it comes back randomly also. Very annoying.
I'm on 4.0.1 Google build anyone else get this issue?
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You have to find out the true reason why your connection is being interrupted. The bars going grey instead of blue is just reflecting the fact that your connection isn't persistent and you don't have a full sync with Google.
Blue bars = connection to Google servers
Grey bars = no Google servers
NIK516 said:
Hey guys I've got the GSM version and every now and then my signal bars turn grey, this is with full signal even showing 3g buts its grey and won't call out or load data. I'm not a twit and understand that phones loose signal its just strange it comes back randomly also. Very annoying.
I'm on 4.0.1 Google build anyone else get this issue?
Sent from my Galaxy Nexus using xda premium
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When you open the browser does it say that there is no network coverage and you have to turn off the airplane mode?
I was having the same issue with 4.0.1, I was getting disconnect from the mobile network almost every 2-3 hours and the only way to get online again was to do a reset. But now with 4.0.2 everything seems to work fine.
My carrier (Simyo in Spain) is a "virtual operator" (MVNO), so I'm thinking that the issue was somehow related with the “data was disconnected due to roaming” bug in 4.0.1.
Been having same issues on Wifi and 3g, causes huge issues with push gmail
Edit: I removed dns changer from my phone, and seems to be helping
Sent from my Galaxy Nexus using XDA App
menek said:
I was having the same issue with 4.0.1, I was getting disconnect from the mobile network almost every 2-3 hours and the only way to get online again was to do a reset. But now with 4.0.2 everything seems to work fine.
My carrier (Simyo in Spain) is a "virtual operator" (MVNO), so I'm thinking that the issue was somehow related with the “data was disconnected due to roaming” bug in 4.0.1.
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Thanks Menek, I am still on 4.0.1. Hopefully soon I will get an OTA update.
Hello,
This thread kind of died down but it is very important. Here is the issue logged by other users with Google. http://code.google.com/p/android/issues/detail?id=22503
Has anybody managed to find a fix?
I called Samsung yesterday and they advised me to return the phone. I don't feel like being without a phone for 2 weeks. Besides it is sort of proven that it is a Rom issue (am I correct?). What do you say guys, shall i send it to Samsung or wait for an update from Google? The problem doesn't happen very often, every once in a while. I suppose this is why the battery runs out pretty quickly as it tries to connect to a network too often. And when it doesn't establish connection it goes to Airplane mode.
Any more comments on this issue?

data connectivity issue

has anyone else experienced problems when turning off the mobile data and the phone not reconnecting properly.
i disconnect mobile data during the day to extend my battery. When I do this, sometimes it reconnects properly, and other times i am not able to receive calls/make calls or send/receive text messages. The phone still shows in 4g and has full bars, but im not able to figure out its not reconnected until i try to make a call, which it doesnt allow me to do.
This is my second sgs3 now since my first did the exact same thing, and i thought it was just a faulty phone. anyone else experience this?
help please.
I had similar issues and I have called at&t 2 times. They asked me to turn my phone off for 5 minutes after which they re inserted my phone id in lte mapping... And they told me to call back if any similar issues arise
Try this
Sent from my SAMSUNG-SGH-I747 using xda app-developers app

Missed calls, delayed voice mail.

Ive had my note 2 now for about a month now and the phone itself has been great. During the first week I experienced horrible signal but that has all stopped recently. I now get 4g everywhere I go around my home and work.
But.. one problem persists. Missing missed call notifications and delayed voice mails. This has been going on since I got the phone and I though it was only a wifi calling bug until today.
Multiple people have called me and left a voice mail which I will only receive once I use my phone. Ie: text/make a call. No missed call notification shows up but I will receive texts and voicemails once I actively use my phone.
I have done tests with wifi calling where my phone would be charging for a few hours and a call would go straight to voicemail. Also pinging my phone yields a 1k+ms ping response and then normal 50ms which leads me to beleive the phone goes into some sort of sleep state and has to be actively on the network to receive any call or text. I thought it was just wifi calling but now its happening without being connected to wifi.
Does anyone have any information on this type of problem?
Sent from my SGH-T889 using xda app-developers app
I had the issues you described with wifi calling. It was so unreliable that I stopped using it. On the regular cell connection I no longer miss calls.
I wish using regular cell was reliable as the coverage is great in my area. But after yesterday's problem I can't trust it anymore.
I'm back to using wifi calling and im using an app called wake lock to keep the wifi connected, as the normal no sleep when wifi setting doesn't work in the settings.
It has been 12 hours and the wifi calling icon hasn't disappeared. I've received emails and texts as well. Hopefully this can be a permanent at home solution. I wonder what causes the cell network to just drop and stay unconnected while the phones on lock though.
Sent from my SGH-T889 using xda app-developers app
hellfirex11 said:
I wish using regular cell was reliable as the coverage is great in my area. But after yesterday's problem I can't trust it anymore.
I'm back to using wifi calling and im using an app called wake lock to keep the wifi connected, as the normal no sleep when wifi setting doesn't work in the settings.
It has been 12 hours and the wifi calling icon hasn't disappeared. I've received emails and texts as well. Hopefully this can be a permanent at home solution. I wonder what causes the cell network to just drop and stay unconnected while the phones on lock though.
Sent from my SGH-T889 using xda app-developers app
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Are you using ant task killers or battery saving apps? They can turn off your data and so many other processes, they do more harm than good.
Sent from my SAMSUNG-SGH-T889 using xda premium
I have no battery saving apps, all i use is the stock task manager for ending tasks.
UPDATE:
WiFi calling with wake lock seemed to work most of the day. I received many texts and calls from at least 5 different people over the coarse of the day. But then... I go in my garage and lose wifi signal and the phone doesn't connect to a tower and i miss someone trying to call me. Same deal.. no missed call notification and they said it just goes straight to VM without ringing. I write it off as not a big deal as long as the rest of my house wifi calling allows me to miss nothing.
I sleep for a few hours and i wake up and hit my lock screen. The screen flashes on and it shows the WiFi calling symbol.. then lags and flashes to it being gone. I then use my house phone to call it and of course.. no ringing.. straight to VM. I have also received no emails/texts during this time.
I open the battery usage and during the last 15 hours or so there are small increments of signal loss. The whole bar is yellow which isnt great but should still work. But there are small slivers missing completely, and they are identical to the WiFi usage as well. Both show the same 0 signal at the same time.
I'm at my wits end with this problem.. i have tried just about everything from factory reset, SIM reset, using WiFi calling on both my router bands, using settings to keep WiFi on when phones charging. The problem persists on 4g and WIFI. Currently I'm set to GSM only to test this issue using EDGE.
The odd thing is my brother has the same phone and although he reported a few missed calls via wifi calling, nothing as serious as my issue of several blocks of time with 0 signal at all.
I noticed the new update rolling out changes the baseband.. would this do anything to fix any issues with connectivity? Ive read numerous people with this issue using various phones/carriers and the only fix seemed to be getting a new phone number. I hope this isn't the case.
I think you might need a microcell
I'm not sure if that would really help. Like I said I have above average coverage at my house. I never had a problem with my vibrant and the other 2 lines dont have problems. This morning I flashed jedi x7 and I now have a 3g and a H+ icon. I notice that im 95% on 3g and it sporadically switches to H+ randomly for only a few seconds. Also as about 6 hours have past, my network signal in battery usage is a solid bar with no signal loss. Time will tell if that stays true.
One other thing of note, if I perform a speed test when it's on 3g.. I ping 1k+ but pull around 15mbit. When H+ is up before I start the test I ping under 100 and pull 15mbit. Perhaps the constant switching is causing me to disconnect from the tower for brief moments.
Sent from my SGH-T889 using xda app-developers app

Network loss

Ok guys, having a real problem here. Often when I am connected to either 3g or wifi my phone will stop picking up signal suddenly. AIt's almost every time and I will have to disconnect from the network manually and reconnect and it will instantly pick up signal again for a while then it'll repeat. When it suddenly stops it doesn't show on the status bar that I have lost any signal. With 3g its kinda just at a stand still not receiving or uploading and with wifi it just stays the same but I'm still not picking up a signal because by web pages won't load neither will other apps that require network load until I manully disconnect and reconnect. Is anyone else having a problem like this? I don't think it was like this when I firs got my phone a month ago. I'm at a loss. Any help is much appreciated. Oh I'm completely stock btw haven't rooted........(yet) lol
microdave said:
Ok guys, having a real problem here. Often when I am connected to either 3g or wifi my phone will stop picking up signal suddenly. AIt's almost every time and I will have to disconnect from the network manually and reconnect and it will instantly pick up signal again for a while then it'll repeat. When it suddenly stops it doesn't show on the status bar that I have lost any signal. With 3g its kinda just at a stand still not receiving or uploading and with wifi it just stays the same but I'm still not picking up a signal because by web pages won't load neither will other apps that require network load until I manully disconnect and reconnect. Is anyone else having a problem like this? I don't think it was like this when I firs got my phone a month ago. I'm at a loss. Any help is much appreciated. Oh I'm completely stock btw haven't rooted........(yet) lol
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It has happened to me a couple times that I have noticed. I will be streaming music and walking and all of a sudden, nothing.
Even a soft reboot does not help. It will require a full reboot generally to solve the issue. I have not been able to identify the issue specifically. I suspect it might be related to LTE testing in my area.
What's the LTE status in your area?
No lte yet but as I stated earlier it happens on wifi too. It'll still show that the signal is connected but my pages want load at all after it happens and when I try to refresh it'll say that the webpage could not load because there is no network. Only until I manually shut off 3g or wifi in the settings and turn it back on will it pick up signal again but only for about 5 minutes. This has happened in various locations on 3g and wifi and will even happen at home wifi.
Sent from my SPH-L900 using Tapatalk 2
This has happened to me as well... A lot . Stock.. on various roms.. No lte as well.. But it's in the works
-TeaM VeNuM Like A Boss
-Galaxy Note II Edition
I've had this problem too. Sprint replaced my phone and it never happened again.
I think reactivating hands free actually fixed my problem...for now anyway. It's not losing network like it was before. All I did was enter on the phone dial pad ##72786# that'll reactivate. Hope this helps

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