This tag is meant for issues with the mobile data connection. For other connection issues please use the tag relevant to those, e.g. 'wifi', 'usb' or 'bluetooth'.

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2
votes
2answers
1k views

Samsung Galaxy Ace, data network mode keeps deactivating itself

Every time i turn on my data network it deactivates itself within 5 mins ,any ideas anyone? i have a Samsung Galaxy ace.
0
votes
2answers
325 views

How to force the mobile data (3G/4G) connection on a single app like Google voice recognition?

When an android phone is connected by both wifi and mobile data (3G/4G), it will preferentially use wifi since this saves battery and mobile data bandwidth. However, my mobile connection is more ...
1
vote
1answer
546 views

Neo V with 4.0 ICS update — battery problem

My Sony Xperia Neo V battery performance has gone down very badly after upgrading to ICS. It mainly happens when I have my mobile data/internet turned on. How can I improve the battery performance?
0
votes
1answer
52 views

Galaxy SIII has a weak data connection

I've noticed that my Galaxy SIII has a very weak data connection at times. This occurs even when people around me with the same phone and carrier (T-Mobile) have perfectly adequate connections. Are ...
0
votes
1answer
107 views

3G web browsing problems despite full bars

I consistently have problems browsing the web via my 3G connections despite the fact that it shows that I've got a "good" signal. Often I will have the blue bars but they eventually turn grey after ...
-1
votes
1answer
806 views

How to use internet from another basic mobile through bluetooth?

How to connect an android phone with the basic phone having unlimited data packs . How to use the data on their phone in android using bluetooth?
3
votes
0answers
222 views

Google service connection + Corp wifi

When connected to the corporate wifi the signal bars turn grey suggesting that there is no connection to Google services. Gmail, web browsing, contact sync, calender sync, play music all appear to ...
3
votes
0answers
2k views

Google+ Background Data Usage

My 1GB data pack (3G) was running out a bit faster than normal, so I started investigating using the Data Usage tool (Android 4.1.2 Nexus S). That's when I found out the Google+ app had used 300 MB in ...
2
votes
0answers
468 views

How to stop fallback from H+ to 3G data

Is it possible, and if so how, to lock the phone to using H+ for data and not dropping back to 3G? I suspect it isn't (firmware of the radio hardware I'm guessing) but there's times where I would be ...
2
votes
0answers
672 views

Connection to home server via https – works with WiFi, but not with 3G

I have a very weird issue with my phone (Alcatel 997D running Android 4.0.4). Let me start at the beginning. I provide certain services (mostly syncing stuff, Firefox and Cal/CardDAV) on a server with ...
2
votes
0answers
537 views

3G connectivity lost; reboot required to restore it

Similar to this question, but slightly different/worse: Restart data connection when stalled? Every so often – usually every day – I'll lose data connectivity (the icon in the status bar goes grey). ...
2
votes
0answers
216 views

Lag when opening Data Manager Settings

Since I have a prepaid Internet/Data Plan, I need to turn off/on Data Connection frequently. But Navigating to Settings -> Data Manager takes at least 25-30s on my Moto Defy (2.2) device. What ...
2
votes
0answers
189 views

Lost all files on /sdcard when transfering files from PC

I just tried to transfer files from my PC (Win7) via USB MTP onto my Nexus7 which seemed to work as usual. When I tried to locate them on the tablet, I noticed that the complete /sdcard folder is ...
2
votes
0answers
1k views

Using Android/Desire as a bare bones GSM modem

Older GSM phones could be hooked up to a PC and you could access the baseband chip through e.g. minicom or hyperterminal and give it AT commands, usually through a serial/rs232 or USB connection ...
1
vote
0answers
38 views

Data connectivity disabled when phone mic is muted

This is a persistent and repeatable issue with my HTC One (Android 4.3) but I can't find any mention of it on forums etc. It would be great if anyone can tell me whether it's a known issue, specific ...
1
vote
0answers
2k views

Connection problems 3G/4G (Mobile data)

Phone: Samsung Galaxy S3, Mobile data enabled, APN configured for T-mobile Applications: MightyText, BrowserTexting Internet connection is working, i can use browsers, gtalk, IMO, etc. The problem ...
1
vote
0answers
346 views

3G Modem sim on my Nexus S

I have a 3G modem, and have tried it's sim card in a couple different modens with success. However, I tried to put in on my Nexus S and use wifi tether, but it didn't work - although it seemed to ...
0
votes
0answers
39 views

How Android manages data sessions

I am trying to better understand how Android manages data connections. Does anyone have a link to documentation on how Android handles data connections and sessions? I have read about ...
0
votes
0answers
49 views

Special Internet packs on Android phone?

Suppose,we might activate a special pack eg) Whatsapp pack for Airtel.How can I restrict the internet being used by other applications.So that it wont deduce any balance from main Avaliable options: ...
0
votes
0answers
39 views

Phone Can Only Use GSM (2G) Data, Signal Goes Lost When Trying WCDMA

My Samsung Galaxy Fame was sent unlocked from Egypt. When I bought a 4G data plan, I did not realize I had been using 2G data. I tried to use the WCDMA setting, but this only made my phone lose signal ...
0
votes
0answers
128 views

Email doesn't sync over data, does sync over Wi-Fi

Ok, I just got a Droid Mini and I've been trying to get it to sync both the Gmail and the stock email applications when I'm using the data connection. They refuse to auto-sync until I switch to Wi-Fi, ...
0
votes
0answers
88 views

Why does my phone have no data connection when roaming?

My mobile carrier in the US (Sprint) provides free domestic roaming for data and calls. However, whenever I am roaming, I have no data connection (in-bound and out-bound calls work fine). I am using ...
0
votes
0answers
22 views

How to use at&t signal on tmobile note3?

Where I live tmobile had pitiful data signal but at&ts is great stuck with tmobile for awhile so was hoping for a way to use there signal? Phones rooted on stock rom/kernel via root de la vega. ...
0
votes
0answers
47 views

Managing ME under contacts list (Samsung Galaxy SIII Mini)

When I first got this phone I set up all my accounts like Google+, GMail, Skype and in contacts automatically appeared ME as first on the list, with my picture from Google+ and small icons of Google+ ...
0
votes
0answers
32 views

Chrome / internet hogging dat

I have an HTC One using 4.3 I have recently "lost" a lot of data. I think I've narrowed it down to Chrome, which hogs about 10mb every morning around 6am. This is detailed as "foreground" in my usage ...
0
votes
0answers
64 views

Sometimes Data (2g) hang in my xperia mini pro with custom os cm9.1

I always active the mobile data but sometimes it hang I need to restart for check email or other internet activity. What should I do? Please advice me My Phone is Sony XPERIA mini pro. I installed ...
0
votes
0answers
320 views

internet connecton problem in my android (sony xperia sola)

I am from Bangladesh. My android (sony xperia sola) shows my phone not provisioned for network or my network is not connected.But i connect my network as my service provider said.What can i do now.I ...
0
votes
0answers
177 views

Xperia U: Network state is shown as UNKNOWN, data connection not working

I'm using stock Sony Xperia U. Data connection was working well until yesterday. All of a sudden I can't access 2G/3G data, it shows network state "UNKNOWN" when checked with the code *#*#4636#*#*. ...
0
votes
0answers
77 views

HTC G2 sudden data failure, repeated connection attempts

I've had a HTC G2 with t-mobile for about 3 years now with Android 2.3.4 (never rooted). Yesterday the phone suddenly lost the ability to connect data networks. The data connection icon appears for a ...
0
votes
0answers
807 views

How to prevent cell tower switching and data cut off

Samsung Galaxy S4 here. I found that my phone often switches cell towers through an app called GSM signal monitoring. I don't know if this is the phone's fault or not, but the most annoying thing ...
0
votes
0answers
3k views

After rooting my verizon Galaxy S3, I have no data or cellular connection?

So, when I first rooted my phone, everything worked fine. I had used CM 10.1 (Or at least some version of Cyanogenmod). Being curious, I wanted to try other ROMs. I then installed MUIU v5. Didn't like ...
0
votes
0answers
84 views

Tweaking wimax phone for ISP

We have a WiMAX Internet provider that requires that you have a specific adapter, being Huawei BM622. Do you think it is possible to tweak the firmware on any phone or laptop and connect to the ...
0
votes
0answers
123 views

ICMP Requests working but HTTP requests are timing out

For some context, please see this image: http://db.tt/JPJlBC5b (I will upload to SE when I am in front of desktop) Basically this issue happened once before. What's happening is my phone basically ...
0
votes
0answers
991 views

My Samsung Galaxy S II (GT-I19100) wont recognise my SIM

I bought a locked Samsung Galaxy S2 second hand - it is locked to Vodafone. When I first purchased it worked fine, however yesterday morning it couldn't connect to the mobile network - it kept ...
0
votes
0answers
236 views

How to check internet connection every xx minutes and log the result?

I am having issues with internet connection - only at home and only sometimes. I want to debug it so I am looking for an application that would check the internet connection every xx minutes and log ...