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'.

While this tag is dealing with mobile data issues (i.e. data transfers via the cellular network of your provider), its counter-parts for other networks are , , and . If you have issues directly related to your connection, you might want to additionally use the tag.

180 questions
69
votes
2 answers

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 and can receive phonecalls/texts. They are…
Dunhamzzz
  • 2,090
  • 6
  • 19
  • 27
63
votes
8 answers

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 to have Bluetooth or USB connection for this…
michelemarcon
  • 2,683
  • 8
  • 32
  • 36
26
votes
6 answers

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 Android so that a certain app (in this case WhatsApp,…
Richard
  • 726
  • 3
  • 10
  • 17
26
votes
5 answers

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 the signal is so weak that no useful data flow can…
d_inevitable
  • 403
  • 1
  • 5
  • 7
20
votes
4 answers

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 through an app, to only allow some apps to use…
Redandwhite
  • 628
  • 1
  • 4
  • 11
20
votes
3 answers

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? I've already checked a bit in NetGuard's source…
WhiteWinterWolf
  • 919
  • 1
  • 11
  • 26
17
votes
7 answers

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 speed test like speedtest.net, but rather a logging…
tim11g
  • 433
  • 1
  • 7
  • 13
16
votes
3 answers

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 have: Can the phone be usable even if I don't…
Nelson Reis
  • 263
  • 1
  • 3
  • 7
15
votes
3 answers

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 hours (as opposed to few days when GSM is…
Catherine
  • 253
  • 1
  • 2
  • 6
15
votes
5 answers

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 and installing DroidWall would do the trick.…
Reid
  • 439
  • 3
  • 5
  • 13
14
votes
2 answers

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 Cyanogen, the data icon will turn gray, meaning…
UncleZeiv
  • 401
  • 4
  • 9
13
votes
4 answers

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 spent 40 cents here and 30 cents there using up my…
triplethreat78
  • 421
  • 2
  • 6
  • 11
12
votes
2 answers

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 my previous phone and every time I (re)installed a…
12
votes
1 answer

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 to "Search networks" (and thus select one operator…
GreyCat
  • 241
  • 1
  • 2
  • 6
11
votes
4 answers

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 internet. I have both options available, in my office…
rajpara
  • 213
  • 2
  • 6
1
2 3
11 12