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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4
votes
2answers
361 views

Any security difference between root based firewall (AFWall+) and non-root based ones (NetGuard)?

What are the technical differences between root based firewalls (like AFWall+) and non-root based firewalls (like NetGuard)? Is there any impact on the security effectively provided by such software? ...
1
vote
0answers
50 views

On android 6.0.1 there's no more DAILY data usage limit setting

I've got a daily plan. 1GB each day. I wanted to set daily data usage for my phone and i remember there was a daily option on android 4 but now there's no option to change.. only monthly. This is so ...
0
votes
1answer
27 views

Can't connect to mobile internet with CyanogenOS 13

On Google, I found a similar problem on Reddit, which describes exactly what I've got right now: https://www.reddit.com/r/cyanogenmod/comments/3xm0mo/mobile_data_not_working_cm13/ The problem is that,...
0
votes
0answers
28 views

Android OS “app” used nearly 1gb of data in less than a month

First of all, I should mention I have a Nexus 6, bought it a while ago, used. I recently upgraded my monthly available data. Got in to a deal, was 5$ for an extra Gb. Now that I have two, I still ...
0
votes
0answers
11 views

Samsung Ace 2 Data Not working

Someone please help me I put on a plan and I was searching for where the data button was. When I press it I wasn't getting any. it wouldn't even have the icon come up. Someone please help
0
votes
0answers
26 views

Data disabled via dummy APN & data connection Toggle: How to prevent changes?

I had originally posted a question here, which did not get any answers. Disallow & prevent ALL data access (2G 3G ) for user (maybe even WiFi) directly or via MDM? So, based on the threads here: ...
0
votes
0answers
33 views

Disallow & prevent ALL data access (2G 3G ) for user (maybe even WiFi) directly or via MDM?

I saw this similar question but it does not ask or answer what I am asking. How to totally block internet access (data) on an Android? Completely block disable "data" period so that user cannot enable ...
1
vote
1answer
31 views

Is disabling all the wireless connections the same as enabling “airplane mode”?

I'm confused right now because I don't know if enabling the airplane mode disables all the data connections or it does something more.
-2
votes
1answer
57 views

Smartphone to smartphone to sim communication

I have purchased a second Android smartphone because the internal memory on my first smartphone was full and I needed to use more space for apps, pictures, and videos. But the second smartphone has no ...
1
vote
0answers
70 views

What is an easy method to test whether UDP traffic is blocked?

What is an easy method for an Android device to tell whether a data connection (either WiFi or mobile data alone) has UDP traffic blocked? Many corporate and public access points restrict UDP access, ...
0
votes
1answer
112 views

If Wi-Fi connection drops internet, can device failover to network connection?

Once in awhile the internet will drop on the network that my phone is connected to via Wi-Fi. It's pretty rare, but in instances when it happens, my phone remains connected to the network but won't ...
0
votes
0answers
85 views

Can't turn on mobile data on Samsung Galaxy S4

My phone is SAMSUNG-SGH-I337. I can't turn on the mobile data. there is no button in the notification panel. I went to settings and search for the button. But it is not there. I tried it manually. ...
0
votes
1answer
88 views

Nexus 9 - How do I change the cellular band?

I've got an international edition 32GB Nexus 9 LTE. It appears to be unable to connect to 3.5G / HSPA+ networks, as a result, I get poor data speeds (3G is pretty slow for my requirements). I've got ...
-1
votes
1answer
117 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 ...
1
vote
1answer
147 views

None, or choppy, 3G/LTE data transfer with T-Mobile US on international HTC One M8

I have an international HTC One M8, and an off-contract plan with T-Mobile (highest priced, unlimited LTE). If I go into settings and set mobile data to only use 2G, everything works reliably. With ...
1
vote
2answers
933 views

Can an android phone connect to both WiFi and mobile data network at the same time?

Can an android phone connect to both WiFi LAN (not necessarily connected to the Internet) and mobile data network at the same time? Or when it connects to one, does it have to disconnect from the ...
1
vote
0answers
79 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 ...
0
votes
1answer
747 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
0answers
94 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
112 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
79 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
2answers
727 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
0answers
218 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
1answer
30 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
1
vote
1answer
252 views

What's the complete map from letter to mobile network type?

I was wondering about what all letters mean. Specifically the "R" that I'm currently on. I found this summary by some provider, but it doesn't contain the R-symbol that I'm on right now. These are ...
1
vote
0answers
95 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 ...
4
votes
2answers
13k 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
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 ...
1
vote
0answers
3k 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
2answers
2k views

Galaxy S5 unable to switch to 4GLTE when Wi-fi is turned off

I have had my Samsung Galaxy S5 for about a year now and it has been working fine until a few days ago. I would use my wi-fi when I have access to it and then I would switch to my 4GLTE when I don't ...
1
vote
0answers
307 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
57 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 ...
5
votes
0answers
153 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 ...
0
votes
1answer
235 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
267 views

Foreign phone won't connect to mobile data

I got a Moto G (2nd gen) in an asian country. I have brought it to the US now and use a AT&T sim card, that has a 300MB monthly mobile data plan. I'm not able to use the internet although I keep ...
0
votes
1answer
59 views

How to access andriod to my pcs hardrive using wifi

I would like to connect my samsung galaxy s4 over wifi with my pcs harddrive. It should be the same way as by the remote desktop apps but indstead of them only to use the pc hardrive. I want to get ...
1
vote
1answer
144 views

insuffient dont have enough space on my sd card [duplicate]

When I'm trying to download samthing it says "insuffient space on my device"my brean it does work when I hear that......it so confusing me..and I have engh space on my memory card
1
vote
1answer
3k views

Wifi and data keeps turning on

i did a recent update off some apps a few days ago and ever since my wifi and data keeps turning on no matter how many times i turn them off... Then on the other hand, sometimes it turns off and ...
1
vote
1answer
57 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. ...
2
votes
2answers
1k views

N4 lost data connection after Lollipop update - sign into network HOME

I've been unable to use the data plan on my Nexus 4 on a Straight Talk plan after updating to Lollipop. Data's not working, and I keep getting a notification that says "Sign into network HOME". When ...
1
vote
2answers
301 views

What DNS servers are used when connected to wireless data?

What DNS servers are used when connected to wireless data (not wifi)? Is there a way within Android KitKat to tell?
6
votes
1answer
276 views

Do Android phones require a data connection to work?

I'm looking at buying a new phone, the oneplus one specifically(pre-orders open again November 17) and my current phone plan I do not have data, just calling and texting, and I was wondering if the ...
1
vote
1answer
289 views

Moto G 2014: Maximum upload speed?

According to specs the 2nd gen. Moto G has network support for: GSM/GPRS/EDGE (850, 900, 1800, 1900 MHz) UMTS/HSPA+ up to 21 Mbps (850, 1700 (AWS), 1900 MHz) What's the actual maximum upload speed?
2
votes
2answers
9k views

4G mobile data being used even when mobile data setting is off?

I have a Motorola Moto G, the 4G version, with the original ROM upgraded to the latest version (4.4.4 official from Motorola). The first thing I did when I got it was the same I have done when I got ...
0
votes
0answers
139 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 ...
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 ...
0
votes
0answers
42 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
24 views

Use data connection when WIFI has no internet access [duplicate]

My friend has a wireless router in his car that supports streaming music. I would like to stream music to this router from my google play (or other internet source), but as soon as I connect to his ...
0
votes
2answers
341 views

Unable To Open Google Play

I've encountering a problem. The problem is that i can't access my Google Play on a my Wi-fi. It is not on a particular tablet or phone. Its all the devices me an my family own. That includes 4 phones ...
1
vote
2answers
452 views

Can you restart data service with full strength & orange indicator?

With some regularity (6-7 times per month) my Android 4.4 phone gets into a data-wedged state where the connection is shown as full-strength LTE, but without connectivity (the icon is orange in the ...