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Nexus 4 losing mobile internet when idling a long time in wifi

Hello all,
currently my Nexus 4 is losing it's mobile internet connection when i am a long time connected to a wifi. I am on O2 germany as a carrier, when android was much younger, like 1.6 i had the same issues, but somewhen on android 2.X it was fixed.
Somehow it looks like in 4.2 it's now the same issue
When i am just a few minutes in the wifi and lose wifi connection like moving away from the building everything is fine and the nexus 4 is switching to mobile internet
when i am a few hours in the wifi and to the same it's not switching, i've got cell connection for call and text but no Internet,
switchting from 2g to 2g/3g fixes it then, but it's somehow annoying
any ideas or anyone with the same issue?
edit:
seems that people are having the same issue on the galaxy nexus too, but even with older android versions
http://code.google.com/p/android/issues/detail?id=28474
edit2:
workaround fix app
https://play.google.com/store/apps/details?id=com.symsoft.wififixerfree

it actually happens to me as well. I live in Australia and thought the problem lies with my provider. And yeah I can get the 3g connection back when i tried to change to 2g then back to 3g connection. Has this issue been reported before? hope it can be fixed soon.

This has happened to me twice since I got my N4. I'm in Canada btw. I wonder if it is a frequent problem out there.
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Me too...is there a fix?
Sent from my Nexus 4 using Tapatalk 2

my solution so far is: airplane mode on -> airplane mode off

This is what I usually end up doing. Although it sucks that a phone of this caliber has problems with this.
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Im having the same problem. Doesnt matter which rom im on. Been on stock, modaco, and some PA rom with this problem. Also used matr1x kernel and franco kernel. Solution for me is to jump into airplane mode and back.

I'm in the same boat and only quick fix is airplane mode on/off.
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I have the same issue.
I dont know whose fault it is, Google, LG or my carrier... but it's quite frustrating from time to time.
I thought i had solved it by activating "choose automatically" in mobile network settings> network operators.
It worked yesterday and this saturday, i didnt drop 3g connection when i disconnected wifi.
But i lost it again this morning as i left for work, just like last week...

I've had this problem since 2.1. I seem to remember it being on the Google fix boards. The aeroplane on/off is the easiest workaround. But, still, it's annoying, and it is also not consistent. If it makes you feel any better, the same issue arises on iphones. This suggests it is not simply an android issue, it might be interesting to know if bb or wpx does it.
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i think the issue is neither LG nor Google
i think it's something with qualcomm driver and the provider
because on older devices i had with qualcomm chips had the same issue
the sgs2 and the hox which had exynos and nvidia chips didn't had the issue

kboya said:
I've had this problem since 2.1. I seem to remember it being on the Google fix boards. The aeroplane on/off is the easiest workaround. But, still, it's annoying, and it is also not consistent. If it makes you feel any better, the same issue arises on iphones. This suggests it is not simply an android issue, it might be interesting to know if bb or wpx does it.
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Do you mean this thread from march 2009?
hxxp://code.google.com/p/android/issues/detail?id=2207
Idk if knowing that others have the same problem makes me feel better, i just hope they can fix it.

That's likely the one, I'll rely on your veracity.
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I have the same issue, and not thought about the airplane mode. Thanks guys
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so if you check the google support forum thread
it looks like a lot of users are having this issues
i don't undersand why google is not even giving a statement

It happens to me very often, because I turn off data overnight. Airplane mode doesn't help, the only thing that brings connection back without reboot is Mobile Networks -> Network operators -> search... It finds my operator again and connection comes back. I had the same problem with Galaxy Nexus 4.1.2 (fixed in 4.2, though), but airplane mode did the trick there.
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https://play.google.com/store/apps/details?id=com.symsoft.wififixerfree
this app is a workaround to fix it

Internet stops working when left idle for long
I bought the phone a week back & am facing the same problem.....not just been with Wi Fi even if the phone is left idle the internet stops working & i have to restart......post that it comes back to normal & active.
Its quite annoying to restart phone every now n then everytime internet stops working.
Also, tried Airplane mode on/off its worked.
Are there any experts that can help to resolve the issue for a better & permanent solution....?!

Network gsm signal keeps dropping

Hello I have been having an issue where when connected to wifi and on gsm/Lte in the testing menu the gsm Signal drops to no bars and I'm emergency calls only. When I change to wcdma preferred it's okay. When wifi is off its also okay. I have not changed anything for months apart from dling the latest Franco kernel nightlies. I'm on Rogers from Canada. I don't think it's a network thing since when wifi is off I get Lte
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You're not alone. Alot of other users here have signal problems.

Helderg1984 said:
Hello I have been having an issue where when connected to wifi and on gsm/Lte in the testing menu the gsm Signal drops to no bars and I'm emergency calls only. When I change to wcdma preferred it's okay. When wifi is off its also okay. I have not changed anything for months apart from dling the latest Franco kernel nightlies. I'm on Rogers from Canada. I don't think it's a network thing since when wifi is off I get Lte
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Probably a kernel issue. Find a version that works and stick with it instead of doing the nightlies (which are prone to have things break).

It's not the kernel, I put the stock one back on and the same issue. It's been rainy here the past couple days, I wonder if that plays in.
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Helderg1984 said:
It's not the kernel, I put the stock one back on and the same issue. It's been rainy here the past couple days, I wonder if that plays in.
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Maybe something to do with how you setup LTE since the phones really not meant to have it. Maybe a good place to look is in the thread specifically for LTE in the General Section, its pinned to the top of the section.

kzoodroid said:
Maybe something to do with how you setup LTE since the phones really not meant to have it. Maybe a good place to look is in the thread specifically for LTE in the General Section, its pinned to the top of the section.
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Click to collapse
Maybe but lte has been setup for months.
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No signal on T-Mobile

Im using T-Mobile and yesterday I got that empty service bars on the notification and it could only make emergency calls. Happens from time to time didn't think anything of it but I left the house and I'm still not getting any service. I was running paranoid android June 6 build so I tried switching ROMs and kernels but still no signal . of course I took out sim and rebooted the phone. I even put my sim on another phone and it work got signal and put there sim in my phone and wouldn't get any signal either. I ran out of options any help is greatly appreciated
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castro08 said:
Im using T-Mobile and yesterday I got that empty service bars on the notification and it could only make emergency calls. Happens from time to time didn't think anything of it but I left the house and I'm still not getting any service. I was running paranoid android June 6 build so I tried switching ROMs and kernels but still no signal . of course I took out sim and rebooted the phone. I even put my sim on another phone and it work got signal and put there sim in my phone and wouldn't get any signal either. I ran out of options any help is greatly appreciated
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Sent from my Nexus 4 using xda app-developers app
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This happened on my first nexus 4. Nothing fixed it. Nothing. Hopefully your situation is different. If nothing works, flash back to stock and start the RMA process. Google said it was a hardware failure with mine by the way.
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castro08 said:
Im using T-Mobile and yesterday I got that empty service bars on the notification and it could only make emergency calls. Happens from time to time didn't think anything of it but I left the house and I'm still not getting any service. I was running paranoid android June 6 build so I tried switching ROMs and kernels but still no signal . of course I took out sim and rebooted the phone. I even put my sim on another phone and it work got signal and put there sim in my phone and wouldn't get any signal either. I ran out of options any help is greatly appreciated
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Sent from my Nexus 4 using xda app-developers app
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do you have your phone info set to lte only?

How do you check that? *#*#4636#*#* ? If so that's on wcda prefer
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Exodian said:
This happened on my first nexus 4. Nothing fixed it. Nothing. Hopefully your situation is different. If nothing works, flash back to stock and start the RMA process. Google said it was a hardware failure with mine by the way.
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Click to collapse
Did your happen when you first got it or after you had it for awhile? And what's the RMA process
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The periodic loss of signal was there since day. I still have it on my new one. Others do as well, but one day it went out and never came back on. I believe it was a different issue than just random signal loss. Google said hardware failed in it. You have to contact Google to start an RMA. I'm also not implying that your signal won't come back on at some time either. Personally I would flash everything back to stock. Go to a t mobile store and get a new Sim card and if no signal still then contact Google
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Under settings, then data, then mobile networks, then to network operators.
let it search, even if it doesn't find anything or errors.
Then click choose automatically.
If you frequently travel out of 3g/H areas, you need that checked or the phone won't roam from tower to tower. you will get no signal.
Also, if that don't work, you can try clicking on a network it finds, and let it register, your signal may come back.
This is a common problem with those that don't live in big cities or near full strength 3g/h areas.
The phone doesn't handle tower handoffs well. Crappy LG modems.

Exodian said:
The periodic loss of signal was there since day. I still have it on my new one. Others do as well, but one day it went out and never came back on. I believe it was a different issue than just random signal loss. Google said hardware failed in it. You have to contact Google to start an RMA. I'm also not implying that your signal won't come back on at some time either. Personally I would flash everything back to stock. Go to a t mobile store and get a new Sim card and if no signal still then contact Google
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Thank for your help that what I'll have to do only problem is I traded an s3 for this phone on CL so if it hardware I think I'm SOL but thanks for your help
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kthejoker20 said:
Under settings, then data, then mobile networks, then to network operators.
let it search, even if it doesn't find anything or errors.
Then click choose automatically.
If you frequently travel out of 3g/H areas, you need that checked or the phone won't roam from tower to tower. you will get no signal.
Also, if that don't work, you can try clicking on a network it finds, and let it register, your signal may come back.
This is a common problem with those that don't live in big cities or near full strength 3g/h areas.
The phone doesn't handle tower handoffs well. Crappy LG modems.
Click to expand...
Click to collapse
I tried this and when I click T-Mobile or att it says this sim card can not pick up a connection but the sim card works on other T-Mobile phones
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castro08 said:
I tried this and when I click T-Mobile or att it says this sim card can not pick up a connection but the sim card works on other T-Mobile phones
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Click to collapse
Try getting a new Sim from t mobile and reflashing the radio
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Exodian said:
Try getting a new Sim from t mobile and reflashing the radio
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Thanks will do but why would my sim card work on other phones and other sims not work on mine
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castro08 said:
Thanks will do but why would my sim card work on other phones and other sims not work on mine
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Most likely wouldn't but it would be one more "possible" problem eliminated.
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Exodian said:
This happened on my first nexus 4. Nothing fixed it. Nothing. Hopefully your situation is different. If nothing works, flash back to stock and start the RMA process. Google said it was a hardware failure with mine by the way.
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Click to collapse
I'm currently going through the RMA process over virtually the exact same issue. However, I've been running franco's nightlies lately and up until he restored the HSIC/wifi stuff to stock in r154 I was actually experiencing less data drops and rapid tower swapping (constantly going from 3g to H and back rendering consistent data inoperable). *shrug* I feel as if it's something in the hardware on the cusp of failing because sometimes it does it more and sometimes it does it less. It's rather weird. I'm also on T-mobile towers through an MVNO (Straight Talk).

I just cancelled and switched to ATT go phone.
I have RMA'd 2 devices, tried multpie new simcards, relflashed, tried new radios, and nothing worked.
It no longer switches from 3g to H on ATT network.
It stays in H constantly.
Also, no more signal drops or loss of signal.
I have 100% signal all the time now.
The data is a little more expensive, but worth it for the coverage so far.
It's not your phone, it's the tmobile network.

[Q] slow 3G on Airtel - India

on my nexus 4, i get ridiculously low 3G download speeds(60 kbps on speedtest) . this has started recently when the mobile refused to be connected to google servers (wifi and data icons stay gray). i reset the APN, and after a while the problems were gone. now i get low speeds and it refuses to download any app from the play store! it never starts the download. please help!
i'm on franco kernel milestone 2 and stock rom

Make sure you have 3g pack activated. If you have 2g pack active it will still connect to 3g but will use 2g speeds.
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atulalvenkar said:
Make sure you have 3g pack activated. If you have 2g pack active it will still connect to 3g but will use 2g speeds.
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even if it is a 2G pack i should get more than 2-3kbps download right? max i get 10. did you face the same problem?

So do you guys actually have so many people on trains that you can't even see the train?
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sughosh9055 said:
on my nexus 4, i get ridiculously low 3G download speeds(60 kbps on speedtest) . this has started recently when the mobile refused to be connected to google servers (wifi and data icons stay gray). i reset the APN, and after a while the problems were gone. now i get low speeds and it refuses to download any app from the play store! it never starts the download. please help!
i'm on franco kernel milestone 2 and stock rom
Click to expand...
Click to collapse
Try a different modem/baseband and give it a couple of days to settle!(0.27 or 0.54)
Should be okay.
You could even call airtel after that and tell them to give you the 3g settings on the call itself and save it manually.
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Arunabh said:
Try a different modem/baseband and give it a couple of days to settle!(0.27 or 0.54)
Should be okay.
You could even call airtel after that and tell them to give you the 3g settings on the call itself and save it manually.
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what exactly is trying a different baseband? is it like flashing a baseband?
can you please explain. i'm new to this stuff

No.. Actually... We have ****ty politicians who take money from private operators so that they can give us ****ty services at exorbitant prices... The price of democracy..

[Q] network mode changes by itself. Should it do that?

Im running cm 10.1.2 it works great I live were tmobile has lte. so I flash LTE radio and that works great. my apn is tmobel us LTE and my preferred network mode is lte/gsm/wcdma. Sometimes when I drive outside lte coverage zone or in on a weak spot my preferred network mode will change to csm/wcdma. Is this normal? I was driving and I just lost signal the other day Im guessing this is why. I got a screen shot of a app that shows I get lte or hspap with lte/gsm/wcdma. Should I not get both hspap and lte with this setting. Im guessing the phone could not get lte so it changed the profile? Can it do that?. When I was out of the coverage area tried to change it back to let/gsm/wcdma but it defaulted to csm/wcdma.. On reboot it defaults to lte/gsm/wcdma. so i know its working thanks for reading my thread.

I'm pretty sure that is normal. My phone does the same.
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myturbo1 said:
I'm pretty sure that is normal. My phone does the same.
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So when your phone changes profile when it gose into a lte zone dose it drops signal or any thing?
I want to say mind dose for a second as the profile changes then if I go back into a LTE zone it will change back. But im not sure as I have only been running this build for a few days and I mostly stay in a LTE zone.

Yes basically disconnects for a sec then changes.
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myturbo1 said:
Yes basically disconnects for a sec then changes.
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Just wondering why that is? does lte/gsm/wcdma not support hspap? Because my app screen shot told me on that profile i get hspap and lte .

I'm not really sure. But I do not understand why the nexus 4 handles this Network change so slowly. It's annoying at times.
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