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'.

learn more… | top users | synonyms

3
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.
3
votes
1answer
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
1answer
6k views

How can I force version 5.0.1 on Note 4 to only connect to 4G LTE when available?

My Note 4 running 5.0.1 will often connect to 4G rather than 4G LTE when both are available. When this happens I can turn airplane mode on and off it will then reconnect to 4G LTE, sometimes with 5 ...
1
vote
1answer
49 views

How to control which apps has access to my connection?

I'm looking for how to control which application has access to network. In my country it costs bit higher for data connections. I don't have access to wifi networks always when I'm travelling. ...
1
vote
1answer
718 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
259 views

Cannot connect to a data connection on Sprint HTC One M8

Firstly, I am running CyanogenMod 12.1 on my HTC One M8, but this is an issue I also experienced running stock Android (e.g. Lollipop). The issue I am experiencing is that my device appears to be ...
0
votes
1answer
255 views

Data connection keeps turning on in Alcatel One Touch?

I have an Alcatel One Touch. The data connection is turning on by itself in the past couple of months. I went to see Bell today, and the guy said it could be an app that's turning it on? How do I ...
0
votes
1answer
28 views

Bought a phone from asia

I live in the UK I bought the new htc one m9+ from asia andy data doesnt work it says service is unavailable please if anyone has any ideas
0
votes
1answer
2k views

Major issues on Micromax YUREKA after updating to Lollipop

I am having multiple issues on my Micromax Yureka after upgrading to Lollipop: I am unable to pick up calls & the display is not coming on USB storage connection is not functioning & won't ...
0
votes
1answer
165 views

Sim Card Manager Cannot Open

The sim card manger on my settings cannot be open then my sim , contacts , messages cant detect on my cp .. Even In connecting mobile data , it cant connect . its says "Insert Sim card" but my sim ...
0
votes
1answer
80 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
142 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
29 views

Apps constantly disconnecting from the internet

I've got a new phone running Android 4.4.2 and whenever I close an app, it disconnects, i.e whenever I close Messenger, it stops being connected to my WiFi so I get no notifications until I open the ...
4
votes
0answers
138 views

How can I diagnose what is using my 3g connection in small packets

My GSM carrier rounds all used data up to 100KB. Which means that if some app is sending/receiving 500 bytes, I get charged for 100KB. Lately I observed that I go through several hundred megabytes ...
3
votes
0answers
241 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 ...
2
votes
0answers
980 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
236 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
196 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
2k 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
45 views

Losing Mobile / Cell Connection When Leaving Home WiFi

I have a Galaxy S6 (T-Mobile US). This issue started shortly after the OTA update to 5.1.1. The frequency has increased from every few days to every time I leave the house whereby a reboot is the only ...
1
vote
0answers
61 views

How to use my android smartphone to call a distant modem?

I have a domotic app using a modem on a RTC line and would like to connect to the modem with my smartphone as I can do with my PC through Hyperterminal. Is there a means to do that, using the phone ...
1
vote
0answers
2k views

Enable background usage of specific apps on Android 5: LG G3 skin

I remember that on my previous phone running Android 4.3 I was able to disable background usage of mobile internet, yet enable it for specific apps. Instructions to do so can be found on the Google ...
1
vote
0answers
246 views

HTC Desire 816- how do I turn on my mobile data?

I have been relying on my WiFi due to not knowing how to connect to my mobile data. When i turn my mobile data on, the switch turns green indicating that it is on however, it says disconnected ...
1
vote
0answers
54 views

How to configure maximum internet speed?

I would like to set a maximum value for upload and download speeds. I want to do this so that the monthly consumption of bandwidth per month would be reduced. This would help reduce the costs ...
1
vote
0answers
1k views

How to make Hangouts automatically fallback to sms when no data connection?

I use the latest Hangouts version (the one rolled out a few days ago, which now supports voice calls) on a Nexus 5. I have set Hangouts as my default messaging app. In the past the following behavior ...
1
vote
0answers
53 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

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 ...
1
vote
0answers
4k 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
365 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
65 views

Very low speed for 4G on my new phone

I got a new Zenfone 2 Z551ML running Lollipop, and everything works well on it. The only issue I have, and it's a big one: the internet speed is ridiculously low when using mobile data on my Free ...
0
votes
0answers
67 views

Unable to reset Data Usage Restrictions even after total settings reset

I had set mobile data usage restriction for my JellyBean 4.1.2 Xperia J a few months back. I had restricted all data accessing apps except one, LINE app. But now none of the apps except LINE is able ...
0
votes
0answers
70 views

MMS Downloading Hangs on Data State Change

As a general rule, I turn my data off and pretty much force everything to be done via WiFi unless I am out and about, at which time I have data turned on obviously. However, as many know, messaging ...
0
votes
0answers
195 views

Mobile data not working in Moto E 1st Gen after upgrading from Kitkat to Lollipop version

I have a Moto E 1st Generation phone. After upgrading to Lollipop, my mobile data is not working. It was previously working in KitKat. Is there a possible solution for this?
0
votes
0answers
82 views

Internet works on USB-tethered PC but no longer on the phone itself

I have enjoyed the Internet on my ZTE Z970 phone for the last several months. Whenever at home I tethered my PC through USB. I'm posting this using my tethered computer through the same phone; ...
0
votes
0answers
43 views

Mobile connection not resuming when wifi connection ends on nexus 4

I have been having some weird cellular problems with my android as of late. I have a feeling it may be linked to some update, but I don't remember the problems being linked to a specific date. ...
0
votes
0answers
245 views

Google Maps Android API v2 not working in Samsung Note4, with data connection

My application which contains a Google map is not working (using the data connection) after updating play services (to 7.3.29). I installed the application on some other devices such as Samsung ...
0
votes
0answers
48 views

Which file stores internet connection (and timing) details in android?

Structurally in android, is there any file that stores when the internet (data ) connection started, duration of the connection and types of connection... etc. ?? So we could access in "rooted" ...
0
votes
0answers
144 views

USB Tethered, internet works on PC but not on Phone

Ok, so this is a bit weird. I own a Samsung Galaxy Note (the very first one). And I have been using Internet on PC by USB tethering. It was all going fine, until yesterday. Since yesterday, the PC is ...
0
votes
0answers
121 views

Mobile network won't connect

Service in area, but can't get data connection and no icon showing on phone. Have service on other phones but S5830 not working
0
votes
0answers
129 views

Android can't see usb connection

When I connect my device (Nexus 7 2013) to PC or charger by USB, android can't see this connection. It shows that baterry don't charges, but it charges. When tablet is off and I connect it to charger ...
0
votes
0answers
41 views

Why is hotspot requiring me to go to the settings menu?

I I just click the hotspot app it says checking my subscription status and flashes 'turning hotspot on' but then comes back and does NOT turn the hotspot on. However If I go to Settings -> More ...
0
votes
0answers
427 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
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
90 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
181 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
431 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 ...
-1
votes
0answers
38 views

Data Connection problem

I have a problem in my Moto E (1st gen) when I'm using 2G data pack. The data is connected but the internet is not working and not showing the data network sign H properly. The problem is there for ...