General :: No Data / Internet Connection - Samsung GS2 / 4.0.3
Apr 15, 2012
I have a Samsung Galaxy S2 with Android 4.0.3 XXLPQ.It's rooted and now has CM9 installed.Unfortunately for some bizarre reason I have no internet connection. I've installed a different modem and it hasn't fixed the issue. APN settings are correct (I've spoken to my network). Sometimes it works absolutely fine then after a few moments it just won't load anything and I get a 'No internet connection' warning. Apps won't work either due to no connection. However I do have a 'H' and sometimes '3G' next to the signal bars. WiFi is working fine. Have full signal.. I've started from scratch and wiped everything several times and re-flashed xxLPQ but still nothing.
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Nov 24, 2009
I've had a Hero for a few weeks now, and while most things are great, I'm finding the internet connection very unreliable. For example, if I try to use the browser to view a website, often it says it can't find the page, even for www.google.com, and this is using a bookmark so I know it's a valid address. Often in the Market, it says it doesn't have a connection and to retry or cancel.
I am usually connected via wi-fi, either at home or at the office, so I know the wi-fi connection is good, and both have been tested thoroughly with my iPhone 3G. It's almost as if I have to wait for something to happen before I can use the net, but I make sure the wifi signal symbol appears before I try anything. Why could my data connection be so unstable?
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Sep 26, 2010
Took my HTC Desire to Italy and since then have lost all mobile data connections - though works fine on WiFi. Switched on airplane mode for flights, and switched off data roaming to reduce overseas costs. But when switched back on to use internet couldn't get any network connection. Now back in the UK still same issue - no internet, and cannot send MMS picture messages - even when in strong 3G signal Tried all the options I can find but no joy at all.
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Jul 1, 2010
Unbranded, fully updated (2.1-update1), Desire. Three months old. No task killers installed. Just this past couple of days I've noticed it has not been showing the data connection symbol in the top bar, next to the signal strength bars. Try and connect to the internet or the market and get a 'failed' pop up window asking to either retry of cancel. Retry never works.
I go into settings > Wireless & Networks and disable Mobile Network, then enable it again and it flickers on then goes off again. Repeat this and it stays on for a while but always goes off again after about 20 minutes even though the Mobile Network is ticked green. Why is this happening? I'm missing emails because of this and it's a bit of a pain.
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Sep 28, 2010
I have an app in which there are several requests to a server in internet (http), for example to retrieve images in threads outside the main UI process. The thing is that I have a Thread that manage the request with a while(!end) loop and in the end a Thread.sleep(500) that checks if there are new unhandled requests. As I read here [1] I know that this is not a good practice. And users have complain about ANR (app not responding) in several cases.
Knowing that obviously I want to refactor all the way my app manage the requests and I want to do that the best way. So, the question is; what is the best approach for doing this? A service? a broadcast receiver and send intents when I need a request to be handled?
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Aug 26, 2010
Currently using launcherpro as default but having a little problem with my data connection. Do you guys leave mobile internet on then use a data connection toggle like on switch pro to enable disable as and when you like? Or do you use a toggle like curvefish apn to rename and automatically connect to the network? Or do you turn it on and off via settings or the power button as and when you need it? Bit lost on the subject to be honest. Also when I go and turn mobile internet on in the settings under it it says something like connect to mobile internet when WiFi is unavailable. Is this the default setting or can it be changed to only connect when I want it to?
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Sep 10, 2010
I would like advice from those with 2.2 on Orange. I've had my Desire for 2 months now and love it-apart from one thing-the damned Internet connection. Quite often, with a strong 3G+ (HSDPA) signal, my internet connection fails to load data. Then, a few minutes later, in the same location, it works perfectly. I know for a fact that this is not a network only problem. The reason I know this is because I previously used the exact same SIM in my iphone for 6 months in the very same locations and it always worked perfectly.
Therefore, my strong suspicion is that the problem is a result of the combination of the Orange branding on a Desire and the network itself. I'm sure I read of a couple of posters here who had the very same problems and when they moved to 2.2 the problem disappeared. Can anyone confirm? I've been waiting patiently for the Orange update to 2.2 but am getting fed up and I'm concerned that the Orange bloatware may still cause an issue after this. Hence, I'm considering a debrand and update myself.
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Nov 18, 2010
I'm just trying to work through my phone after updating to 2.1, it's like having a new phone and starting all over again! On the new 2.1 if you got to Settings, Wireless and Network, Mobile Networks....the top two are "Data Roaming" and "Date Traffic". Is DATA TRAFFIC equivalent to the Internet/MMS application on 1.6? If I click Yes to Data Traffic it warns me that "addtional charges may apply....." etc etc. I didn't get that warning on 1.6? Is this just the standard internet connection?
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May 29, 2010
i just picked up a unlocked a moto cliq.. my concern is that i have never had a data plan on my account (at&t). this phone seems to have alot of different apps and widgets updating themselfs continuosly.. i have no problem with while im at home beacuse of my wifi that i can connect to.. but when im not on a wifi connection it seems to still be updating.. which i dont want until i upgrade my plan to unlimited data.. How do i turn off these features or turn off data/ internet acess all together when im not on a wifi connection?
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Dec 17, 2012
everytime i installed a custom ROM preferrably CM7 Apocalypse, i always lost my data connection, i dont know why this thing happen, then last time i installed CM7 Apocalypse again (changelog dated 9/7/2012 by itasoulas) i still lost Data Connection though i follow the instructions given, plus i cant receive a message even though i installed a messaging app. im tired im reflashing my phone back to Stock Rom over and over again .
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Oct 23, 2010
I will be traveling and would like to connect my Galaxy S to by Laptop to use it as a Internet connection.Galaxy S ==> Laptop (wired) ==> Internet..I've searched a bit but so far only found out how to use my phone as a Internet gateway but not the other way around. The reason is that I don't want to incur expensive roaming changes on my data plan since my laptop is connected at my office.
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Oct 1, 2010
I'm a complete newbie to all things android and mobile internet so please help and humor me.Just got my galaxy s yesterday-absolutely fantastic phone, really pleased with it.Two perhaps dumb questions if anyone can help please?
1. How do you tell if you are using your wifi connection or connecting through your mobile internet?
2. Is there a way of choosing which one you want to use? Any help will be greatly appreciated thanks
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Jul 7, 2010
I was trying to use my PC's LAN Shared Internet on my Samsung Galaxy S using bluetooth internet connection sharing. The settings are correctly provided on my laptop. However, Samsung Galaxy S's bluetooth doesn't seem to be able to recognize this. i.e., Galaxy S doesn't have a network profile, due to which it always connects to my Laptop for headset service. Is this a limitation of Galaxy S? Can't Galaxy S connect to bluetooth for network sharing services?
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Nov 8, 2010
Recently I have been having trouble getting a connection at my house. WiFi will work but not the Att internet. I also have had trouble sending and receiving picture messages, no master where I'm at.
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May 31, 2010
anyone else having this problem? using 2.1 under caulkin's kernel. it seems like I can kind of overload the phone doing too much and the mobile network connection on my phone will disappear completely. this is while downloading something that may download too fast, sometimes it happens loading .GIF images too. I'll have to restart the phone to get the internet back. this happens no matter if I'm using wireless, USB or bluetooth tethering.
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Feb 8, 2012
Imagine the situation that Any data plan is not activated and as soon as u enable the data connection hundereds of thing in android want to connect to internet and when u disable the data connection again . Ur money is deducted.
Now u will ask me if i dont have a data plan why i enable the data connection.?
So here is the thing I want the data connection to be enabled so that i can open free site like facebook on Opera Mini.
So is there any way so that i can enable the data connection but my phone does not connect to internet to itself but i control which app connects. In my case opera mini.
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Dec 22, 2011
How to set up my internet connection but I am having some problems. When my services bars are blue, and it says 3G or 4G LTE next to it, I can connect to the internet, or if I am in a, area with wifi, I can connect to that. However, If I am not on wifi, and the service bars are grey (without 3G or 4G LTE written next to it), I can not connect to the internet, get my emails, etc. I have a DROID BIONIC.
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Jun 9, 2014
I'm looking for a proxy or something to block my entire internet connection. Apps and browser etc. Just looking for a bit more security when using my phone.
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Dec 7, 2013
I have a asus TF300t transformer pad for 1 year, all has been good up to now, we were experiencing internet problems at home, but has since been fixed, rooter working well, wifi great , every device in house working apart fro my tablet, it has full wifi support but will not connect me to the internet , i tried the cold shutdown but that did not work, it keeps saying authentication error, or do i have a malfunction and take it to get fixed.
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Jan 1, 2014
I updated my AT&T Galaxy S3 to Android 4.3 a few weeks ago.
Ever since then, I routinely get a notification that says "Your Internet Connection is Unstable".
It seems to happen each time I turn my bluetooth connection on.
Phone on > connected to my home wifi (2.4 gHz) > bluetooth is off > turn bluetooth on > get the "internet connection unstable" message.
If I keep my bluetooth off, then I never get this notification.
I have already wiped the cache partition as noted from thread [URL]...
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Apr 7, 2013
I have HTC Desire Bravo Gingerbread, Win7. I'm sharing my connection via Virtual Router Manager v1.0. I can successfully connect to internet and surf. I can even sign in to skype. But When I try to call someone via Skype (call someone to their phone) it just kindda blocks internet connection. neither call works neither surfing the net works. But connection works on my laptop.
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Apr 20, 2010
I was having problems w the data connection in 1.6no twiz.I googled prob and found nexus one users having similar issues.I would loose data connection or switch constantly to 2g.Anyways to fix this Under Settings > Wireless & networks > Mobile networks > Access Point Names: I changed the 'T-Mobile US' APN from epc.tmobile.com to internet2.voicestream.com.You can also use wap.voicestream.com.After switching i reboot and prob gone.Posting this cuz i no a few others were having similar issues here and hope this helps.
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Oct 15, 2010
So here I am at work, 2:30 in the morning and my data connection quit working. The 3G icon has disappeared from the phone completely.
I double checked all setting, disabled anything that could interfere, soft and hard reset the phone, can't figure it out. Sprint is closed till 7. Any ideas from anyone that might still be up?
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Dec 17, 2009
I just bought my i7500 in the excitement that it has all the features that I need (except upgrade to 2.0 OS) but it seems that GPS chip doesn't work properly. From what I understand, GPS chip enables the phone to communicate with the GPS satellites and determine the location, without the need for data plan (EDGE, HSPA, or WiFi). However, on my galaxy, I have two apps (GPS Status, GPSTest) for GPS which suppose to show my location (long, lat) but I get nothing with these apps. How come? I have enabled the 'Enable GPS Satellites' and 'Use wireless networks' (even though this shouldn't be required) in Security and Location setting and still nothing. I see the little GPS icon the status bar at the top blinking but I believe it's suppose to stay there when it actually locates itself, which its clearly not doing. I have tried in various locations where the GPS signals are pretty good so I don't think reception is a problem. I have the i7500XXII4 baseband version.
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Apr 5, 2014
It's a Motorola Xoom running Android 4.1.2. The issue it's having is that even though the tablet is connected to the internet none of the apps (play store, YouTube, etc) will connect. They all say 'no internet connection'. The only way I know the tablet is actually connected to Wi-Fi is that the internet browser still works. This might be unrelated to the issue but every single website I go to it gives me the warning 'Security warning: There are problems with the security certificate for this site'. Sometimes I will have to hit cancel 10 times before the warning goes away.
this is something I can fix without doing a complete reset because there are pictures and stuff I don't want to lose. Since I can't connect to google play I can't back them up to am app like dropbox either.
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May 31, 2012
Assuming the following:
Android 2.3.7 device is connected to an IPv6 internet connection
Tethering is legal for your device/carrier
The ipv6-test gives 10/10 (perfect score) for IPv6 readiness for your phone, and you can access e.g. [URL] ..... using the phone itself
You want to tether to a PC using USB
Device is rooted
Is there a way to give the PC access to the phone's IPv6 internet connection?
I'm assuming that we can't give the PC a public IPv6 address, because the phone is probably only allotted one IPv6 address from the carrier; plus they might treat your plan differently or something if you try to claim another IP address (it's an unnecessary complexity)
So what we actually need to do is, to create a NAT IPv6 space on the device, just like we do for IPv4 when we tether, and provision an IP to the PC that way. Then we have to do something for DNS; I guess we can use OpenDNS's AAAA servers.
Do any of the existing tethering methods support this at all, or is this something I'd have to do manually? Also, is it possible even in theory on Android 2.3, or is it known that a newer version of Android will enable it?
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Feb 14, 2010
Moment keeps losing evdo. Then the browser will timeout on all web pages. Email will not send or receive. Sometimes when this happens, I cannot text, or make a call. When it happens you can only see the up arrow on the left. Sprint store swapped it out for another Moment, and it did it in their parking lot. A few times after this happens I have to do a hard reset to get my email working again. Typing is slowing down on here as well.
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Jan 2, 2012
Some of my closed apps automatically start when internet connection is opened.How do they sence the connection is opened?Is there an app that can stop them from opening?
My app killer will kill them when I manually hit the kill bottom or when the phone is locked.But there is no settings that stop them from starting and running after I start my data or WiFi connection.
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Jun 25, 2012
Often times "like aboard an airplane" there's someone you want to talk with, but can't, because they're in a different seat. Is there any app that would allow people to:
a) send messages to other Android phones via bluetooth
b) sent messages by connecting to a common wifi network (yet not connected to the internet)
c) create an ad-hoc network and send messages that way.
Would any of those be feasible at all?
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Aug 1, 2012
I just ordered a Lenovo S2110 Android tablet with keyboard dock. The idea was to use this 20 hour machine on road trips to do work related activities. For my job, I need to connect via VPN to get access to my work's intranet. I can do that fine in Windows on my pc or my work laptop. I was hoping to do this via Android and the Cisco AnyConnect program. Unfortunately my company doesnt have the license for Cisco AnyConnect mobile so I cannot connect directly via android.
Is it at all possible to connect and share the connection via my home pc that is connected via VPN via the internet somehow? Meaning, can I have VPN running at home and if I am away, connect through the internet and get the VPN tunnel to my android so I can connect to the work websites through the Android browser? Or access my shared network drive?
Only other option I see is using Team Viewer of Splash Desktop to connect as a remote session, but that is not preferable .
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