Questions tagged [data-connection]

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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69 votes
2 answers
46k views

What does it mean when the connectivity icons in the status bar go white/gray?

The connectivity icons (Data, Mobile Signal, Wifi) in the status bar on my Nexus S are normally green, but sometimes they go white. I can't seem to figure out what this means, as I still have a signal ...
Dunhamzzz's user avatar
  • 2,090
62 votes
8 answers
102k views

Can I use 2 android phones as walkie talkie? (without internet!)

I want to use 2 (or more) android phones as walkie-talkie (i.e. they talk each other without needing internet/voice call). Of course this should work with WiFi, because it doesn't make much sense a ...
michelemarcon's user avatar
26 votes
5 answers
33k views

How to make android prefer mobile data when wifi signal is very weak

When I leave home or the office there is a ring around it where I simply have no connection at all. This is because the WLAN network from my router at home or the one at the office is detected, but ...
d_inevitable's user avatar
24 votes
6 answers
65k views

Is it possible to force an app to use cellular data instead of WiFi?

Our local office provides free public WiFi for phones and tablets, but blocks access in ways that means that some applications (like WhatsApp) are unable to connect. Is there any way to configure ...
Richard's user avatar
  • 696
20 votes
3 answers
20k 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? ...
WhiteWinterWolf's user avatar
20 votes
4 answers
10k views

How do I enable Mobile Data only for select apps on a rooted phone?

Unfortunately my carrier charges €0.10 per MB of data -- and I've found out the hard way that Android is a data hog. As a result I keep my mobile data almost exclusively off. Is there a way, perhaps ...
Redandwhite's user avatar
17 votes
7 answers
13k views

How can I monitor and log data connection mode and rate, and log with location?

I would like to understand what connection type and theoretical data rate my phone is using for its data connection, and how it changes with different locations. I'm not looking for an actual data ...
tim11g's user avatar
  • 423
16 votes
3 answers
10k views

Can I use an Android phone without an Internet access plan?

I'm interested in buying an Android phone for Xmas. Currently my pick is LG Optimus One. I will be using it without any Internet access plan, only using Wifi wherever possible. Some questions that I ...
Nelson Reis's user avatar
15 votes
5 answers
10k views

Preventing mobile data use for select apps on non-rooted phone?

I have a number of apps that are fairly chatty on the network, and with a limited data connection I would like these apps to not use the 3G connection (WiFi is fine). I know that rooting the phone ...
Reid's user avatar
  • 439
15 votes
3 answers
34k views

How to disable cellular when WiFi is present?

I perform all my communication via the internet (Jabber, SIP), so I only need cellular as a backup. Additionally, coverage at my home is near to nonexistent and as a result, battery drains in a few ...
Catherine's user avatar
  • 253
13 votes
4 answers
17k views

How can I prevent my phone from using any kind of internet?

I have a weird plan and my phone went over its bandwidth usage this month... mostly just syncing up with Gmail, Twitter etc. So right now, every 5 minutes or so, my phone is telling me that it has ...
triplethreat78's user avatar
13 votes
2 answers
5k views

Restart data connection when stalled?

Occasionally the data connection of my mobile will stall, i.e. it still looks like it does have a data connection (either "H" or "G"), but no server can be contacted. (In particular, my ROM being a ...
UncleZeiv's user avatar
  • 381
12 votes
1 answer
23k views

How to force network operator selection once and for all?

I'm using HTC Desire running stock Android 2.2 (with HTCs enhancements). There's a network operation selection in Settings / Wireless & netwokrs / Mobile networks / Network operators, which allows ...
GreyCat's user avatar
  • 241
11 votes
7 answers
27k views

Can I send / retrieve MMS messages via WiFi?

Is it possible to send / retrieve MMS messages via WiFi or is it mandatory to be connected to my provider via the mobile data connection? If a user has an active WiFi connection, what happens when ...
Sparx's user avatar
  • 10.9k
11 votes
4 answers
9k views

Which consumes less battery: Wi-Fi or 2G data?

I just want to know what consumes less battery Wi-Fi or 2G Data. My battery last long for 12- 16 hours only. I know there are lots of application which continually running and fetching data from ...
rajpara's user avatar
  • 213
11 votes
2 answers
248 views

Milestone outperforming Galaxy Nexus on mobile data connection speed

I recently switched from a Motorola Milestone to a Samsung Galaxy Nexus, and it seems the quality of my mobile data connections drops considerably between the devices without any apparent reason. The ...
ememorais's user avatar
  • 265
10 votes
2 answers
46k 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 ...
borfast's user avatar
  • 201
10 votes
2 answers
64k views

Allow only specific apps to use cell data, only when on 3G

I use Tasker to sync every 30 mins when on 3G. I'm on a limited data plan, and the only apps I use constantly are browser, a Twitter app (Echofon) and Whatsapp. Is there a way to allow only these apps ...
Sumesh's user avatar
  • 953
9 votes
3 answers
34k views

Do I need internet/3G to use GPS?

I have a Samsung Galaxy S2 that has some problems with the GPS: If I use internet my navigation works but when I turn the 3G off, GPS does not work. Do I need internet/3G to use GPS?
siyam's user avatar
  • 91
9 votes
2 answers
10k views

Does disabling 3G while having WiFi save battery?

If I have WiFi enabled and 3G data disabled, does it save any battery relative to having both WiFi and 3G enabled? With WiFi enabled, I didn't know if 3G enabled would make any difference since it ...
Chance's user avatar
  • 1,952
8 votes
3 answers
10k views

How can I disable cellular data on an Android device?

Can I easily disable cellular data on an Android device and just use Wi-Fi? Does this change based on whether or not I have root on the device?
Joel Coehoorn's user avatar
8 votes
5 answers
1k views

Wi-Fi with no data

This has always bugged me, but I really don't know the best way to ask it (sorry if this is a duplicate): Some Wi-Fi networks that I use require secondary authentication (via a browser, etc), and ...
javamonkey79's user avatar
7 votes
2 answers
537 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 ...
nm6's user avatar
  • 71
7 votes
5 answers
62k views

THL W3 with v4.0.4 - periodically getting "Restricted Access Changed" and losing all SIM services

What happens exactly: when I use my SIM's data connection, after 1-5 minutes of operation (be it while the phone is active or locked), I get a notification "Restricted Access Changed", losing all SIM ...
dimitarvp's user avatar
7 votes
4 answers
46k views

Simple way to toggle between 2G and 3G connection

TL;DR Usually, I have my device locked to "2G only" for multiple reasons: saving battery-life no need for "high-speed" to simply be informed about new mail or doing the little ...
Izzy's user avatar
  • 91.1k
7 votes
1 answer
250 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 ...
a guy's user avatar
  • 71
6 votes
1 answer
3k views

With Android 4.4 (KitKat), my notification icons are always gray. Am I in trouble?

With Android 4.3 and earlier, gray/white signal icons in the notification bar informed about connection trouble concerning the Google Services (see e.g. What does it mean when the connectivity icons ...
Izzy's user avatar
  • 91.1k
6 votes
4 answers
897 views

How To Make Android Based Smartphone Consume Less Mobile Internet Bandwidth?

Control I want to have full control over applications and have them ask whether or not i allow them to access mobile internet. I also want to disable automatic updates but enable updates ...
Boris_yo's user avatar
  • 717
6 votes
1 answer
1k views

Disable Data connection automatically

I own an Optimus One. I want the Data Connection to go off, everytime I lock the keypad. For that, now, I manually go to Setting--> Wireless & networks--> Mobile Networks--> Data Enable. Is there ...
Alan's user avatar
  • 101
6 votes
2 answers
2k views

What system app stores the cellular network settings?

Before installing a new ROM, I backed up all data from my system apps using Titanium. I installed the new ROM, and also put in a new SIM card from a different network (so it was in on first boot-up ...
Matthew Read's user avatar
  • 50.5k
6 votes
3 answers
2k views

Phone keeps downloading data with no user activity, where's the leak?

I've got a strange problem. My HTC Incredible running MIUI has a data leak of some sort. It downloaded over 4 GB's of data last month and I can't seem to figure out where it's coming from. I've ...
v15's user avatar
  • 567
5 votes
4 answers
1k views

Is my Samsung Galaxy Tab using wireless or 3G?

I recently got a Galaxy Tab #G from Verizon, but I'm cheap so I only got the 1GB data-plan. How do I know if the Tab is using the wireless connection I'm connected to, or if it's still trying to use ...
EJC's user avatar
  • 597
5 votes
2 answers
12k views

Are GPS-tracking apps data dependent?

Are GPS-tracking apps data dependent or will devices use GPS signals alone, to notify their locations? I am looking for a GPS-tracking app to track family members on a trip where we gonna have ...
Omne's user avatar
  • 175
5 votes
3 answers
635 views

Minimal Internet usage on an Android phone

I am considering buying an Android phone and hence the question about Internet usage. How much Internet bandwidth can I expect to use if I want to enable syncing of contacts, calendar, email, etc. (...
Grzenio's user avatar
  • 321
5 votes
2 answers
4k views

How to use XMPP/Jabber while switching between networks?

When running a Jabber client what happens (or what should happen) when switching networks (or when losing connectivity and the GSM/UMTS modem reconnects)? Can a mobile Android Jabber client (e.g. ...
maxschlepzig's user avatar
5 votes
2 answers
24k views

Is it possible to selectively limit background data usage?

I have a sufficient data-plan so I've never worried about this... tomorrow though, I'm travelling abroad. Due to this, I will have restricted 3g usage. Are there any apps or Android settings to ...
krasatos's user avatar
  • 241
5 votes
1 answer
396 views

Does google voice require a data plan to place calls?

I own a Nexus S and will be travelling to US on a business trip. I will have a T-Mobile prepaid connection and intend to use Google Voice to make and receive calls. Since I am currently outside the ...
Shoan's user avatar
  • 491
5 votes
3 answers
54k 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 ...
Rob m's user avatar
  • 51
5 votes
2 answers
4k views

Why does Android disable HSDPA/EDGE communication while calling?

My ISP currently has a severe outage, which is why I'm tethering my Android phone and a MacBook over WiFi. The Android phone is a HTC Desire GSM running Cyanogen 7. I have a stable HSDPA/EDGE ...
slhck's user avatar
  • 551
5 votes
1 answer
752 views

Android USB data/power over audio jack

Is it possible to connect my Android (Droid 2 Global) to my PC using an USB->Audio converter? Square is able to interface with their device over the audio jack on Android. iPod shuffles are ...
earthmeLon's user avatar
5 votes
1 answer
218 views

How to check how much battery the data network is using?

How do I check how much battery the data network is using? When I enter Settings->About phone->Battery usage I get the following: Voice calls Android OS Display Android System Dialer Cell ...
Ramzi Kahil's user avatar
5 votes
3 answers
274 views

My phone hates 2G + Sd Card

my HTC Wildfire with CM7 - RC4, doesn't like a combination of two things: Data enabled on a 2G Network SD Card inserted. When these two conditions are met, either the phone will slow down to a halt ...
Joe Simpson's user avatar
5 votes
1 answer
301 views

Does APNdroid eat battery?

Someone suggested that APNdroid will cause your battery to drain because your phone is continually attempting to connect to the disabled APN. Makes sense, but I wonder if there's something I'm missing?...
Amanda's user avatar
  • 3,423
4 votes
4 answers
12k views

Is it possible for my mobile carrier to track my wifi usage and bill me accordingly?

I watch a lot of inspiration videos from TED (www.ted.com.au) on my new Galaxy S2 phone. However, I only do this when I am at home and can access my home wifi network. My home wifi and the phone's 3G ...
Amarald's user avatar
  • 273
4 votes
2 answers
301 views

How do I avoid problems when going from Wi-Fi to cell data connection (3G)?

I have my phone (Droid X) connected to my home Wi-Fi network, but when I leave it can take applications (Google Maps, Rhapsody, etc) probably 10-15 minutes before they function normally without either ...
Nick T's user avatar
  • 477
4 votes
1 answer
6k views

Should I disable mobile data while I'm connected to WiFi?

If WiFi is activated, the phone expends energy trying to find WiFi connections, even if I'm not using the internet. Is the same true for mobile data? Does the phone expend any energy trying to keep a ...
MikeFHay's user avatar
  • 308
4 votes
1 answer
3k views

How does Android chooses among multiple access points?

I have been doing a lot of research on this. Unfortunately I was not able to find how, by default, Android chooses among multiple access points. For instance, if a user walks into a mall and there ...
Kyndod7's user avatar
  • 41
4 votes
1 answer
1k views

What is an unsupported unsolicited response code 11016?

My UK Nexus S (Android 2.3.2) has real problems sustaining a reliable data connection on 3G even when I have a full signal in London. Connections time out or pages/tweets/whatever load exceptionally ...
Tom Page's user avatar
4 votes
2 answers
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 ...
vinaykola's user avatar
  • 111
3 votes
2 answers
4k 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?
End Anti-Semitic Hate's user avatar