For questions specifically about issues with wireless network connectivity (via a wireless router) as opposed to questions related to cellular phone connection methods (3G, 4G, Edge, etc.).

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36
votes
5answers
124k views

How do you import CA certificates onto an Android phone?

I want to connect to my University's wireless using my Nexus One. When I go to "Add Wi-Fi network" in Wireless Settings I fill in the Network SSID and select 802.1x Enterprise for the security and ...
34
votes
7answers
20k 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 ...
24
votes
6answers
62k views

What does “avoided poor Internet connection” mean?

The connection to my work wifi just failed and below the network my phone is saying "Avoided poor Internet connection". What does this mean exactly? Has the phone detected that it can't get out to the ...
21
votes
10answers
15k views

How does power usage for data over WiFi compare to data over 3G? (Ignore LTE for now)

If you have unlimited data over 3G so that cost is no option, which is more power efficient? Using the WiFi or 3G connection for data usage? Extending battery life being the goal
21
votes
4answers
2k views

Automatically connect to Wi-Fi nodes, but route everything through encryption

Related to my question about VPNs, is there any way to get my phone to automatically connect to unencrypted access points, but route all my traffic through my home network? This would be kind of like ...
19
votes
4answers
41k views

Can we use an Android phone as a Wi-Fi repeater?

Can we use an Android phone as a Wi-Fi repeater? Imagine situation when you can access a weak Wi-Fi signal from a free hotspot (coffee shop) signal near window, but want to work in the middle of the ...
18
votes
2answers
20k views

Can I automatically log in to open WiFi that requires web login/password?

There are lots of wifi hotspots that are open, but require a web-based login to use. Hotels, coffeeshops, workplaces. For password-protected wifi, it's easy to set up Android phones to remember the ...
18
votes
3answers
3k views

WiFi high packet loss at home network

I have a mind boggling problem which I have been trying to solve for the last few weeks. I am new to Android and recently bought Huawei Ideos X5 (Android 2.2.1). I haven't found anyone else having ...
17
votes
2answers
1k views

If I use free WiFi in a hotspot, can data be easily sniffed?

If I use my mobile device in a Wifi hotspot, can I take it that it bears the same risks as using a laptop in that data can be easily sniffed and that the mobile device is also open to ...
17
votes
9answers
83k views

What Android phones are ANT+ hardware enabled?

I'm trying to gather information regarding ANT+ hardware support in Android phones. Basically, what Android phones have ANT wireless hardware? ANT and ANT+ ( http://thisisant.com/ ) as wireless ...
17
votes
4answers
4k views

How can I tell my device to ignore a public Wi-Fi network?

The city I live in has city-wide Wi-Fi available for a subscription, but the Wi-Fi access point is public. This means that everywhere I go in the city I get a notice that there is public Wi-Fi ...
16
votes
9answers
4k views

Can I use a modern Android phone with no phone plan?

I'm new to the Android platform, but am looking into doing some development for Android 2.x, with the hope of publishing an app to the Android App Market eventually. I'd like to be able to test my ...
16
votes
2answers
4k views

Remember wifi password but never automatically connect

I have both my wifi password and my friend's saved. Since they live nearby sometimes it will automatically switch to theirs if the signal is stronger. I don't ordinarily want to use their connection ...
15
votes
8answers
5k views

Can I turn off wifi, GPS, etc. on Android phone overnight?

I'd like for my Android phone to automatically turn off some features overnight to save battery, and re-enable them in the morning. Among the things I'd like to turn do: Turn off wifi Turn off the ...
15
votes
5answers
9k views

What is the fastest way to transfer huge files beween two android powered devices?

What is the fastest way to transfer huge files (e.g. 500MB) between two android powered devices? Bluetooth? WiFi direct? Beam? or maybe USB on-the-go?
15
votes
2answers
2k views

Restrict market updates to WiFi network

In order to save some volume on my data plan, I'd like to limit updates from the market to the times when I'm connected to a WiFi. And as every good geek, I want this to be automated, in other words, ...
14
votes
7answers
25k views

Is there a way to enable WiFi-tethering without root access?

Is there a way for WiFi-tethering without root access. I mean before Froyo. I have HTC Hero 2.1, and frankly, I don't want to root it for security reasons.
14
votes
1answer
1k views

How do I keep my wi-fi on in sleep mode

When I am downloading large files I need to stop my phone from sleeping , how do I keep my wi-fi on when the phone is in sleep mode.
14
votes
3answers
33k views

How can I find a saved Wi-Fi password?

I have an Android phone which is connected to a secured Wi-Fi hotspot. How can I find out the password of the hotspot from the phone?
14
votes
3answers
25k views

How do I turn off the cellular radio without disabling bluetooth?

I have an old Motorola Droid that is no longer subscribed on any Verizon service. I still use it for things like web browsing, ebooks, and along with some wireless stereo headphones, music. I've ...
12
votes
4answers
21k views

Is there any WEP cracking application available for android?

Is there any WEP cracking application available for android? If not is WEP cracking technically possible with the API's and hardware available on your average android phone? This is a purely ...
12
votes
4answers
25k views

Can I use my Android device as Wi-Fi Dongle (ie Tethering to PC through USB, but using Wi-FI not Phone Network)?

I want to use my Android phone to connect a desktop (windows 7) PC to the internet via Wi-Fi (ie, not muching though my Data plan). Is this possible with the various tethering options out there? The ...
12
votes
4answers
8k views

How may I submit a WiFi hotspot to Android's database for a better triangulation?

As we know, in order to locate our position indoors, Android utilizes the nearby Wi-Fi Hotspots' location for triangulation. But how may I submit the Wi-Fi hotspots in my neighborhood to ...
12
votes
2answers
13k views

WiFi Signal drops out every 3 minutes

For several weeks now my Android (Gingerbread 2.3.6) phone has been losing it's WiFi signal momentarily, typically at about 3 minute intervals (about 3 minutes, 1.5 seconds) and occasionally at some ...
12
votes
13answers
67k views

How can I stream audio from my phone over wifi to a speaker or receiver?

I have a Galaxy Nexus and would like to be able to send music from it to speakers or a receiver. Since I use a few different apps to listen to music (Spotify and Pandora mostly but sometimes also ...
11
votes
6answers
8k views

Access Android device's file system over Bluetooth or Wi-Fi

I'm looking for a way to access the file system of an Android device (Nexus S) wirelessly, as its USB port has become unfit for anything but charging. Ideally, I'd like the same functionality as ...
11
votes
7answers
24k views

Does Android 4.0 support WPA2 Enterprise?

At the place I work, everyone can log on to the wifi network with an iPhone. They just need to add a new network, type in the network name and choose wpa2 enterprise and then add their username and ...
11
votes
2answers
7k views

How can I make a point-to-point VoIP call over Wi-Fi?

I am searching for a way to make a point-to-point VoIP call between two Android devices without having any intermediate server (SIP server) or an Internet connection. I just have an access point (or ...
11
votes
1answer
2k views

SSH (and SFTP) server on Android discoverable through avahi/bonjour

I would like for my Android device (a Samsung Galaxy) to be discoverable through avahi/bonjour when it is connected to a WiFi network, and then to be able to access its filesystem via SSH (SFTP). For ...
11
votes
4answers
13k views

Why does my Nexus 5 keep forgetting all wifi passwords after a reboot?

A month ago I got a Nexus 5. It's running Android 4.4.2 (kernel:3.4.0-gadb2201). I noticed after using it for a while that it constantly keeps forgetting all saved wifi passwords after a restart. In ...
10
votes
7answers
1k views

Can I turn my Android device into a webcam?

If so, how? Could it be implemented via a USB, Bluetooth or Wi-Fi connection?
10
votes
4answers
5k 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 ...
10
votes
7answers
4k views

Reusing old Android phone?

I was curious if there is anyway to reuse an old Android phone? I have a Motorola Droid 1 that has been sitting around since I got my HTC Thunderbolt. Is there a way to use the phone as a "PDA" with ...
10
votes
6answers
13k views

Is there a SMB Server app that does not require root access?

I'm looking for an SMB Server app for my HTC Hero (Android 2.1) so I can share the contents of my SD card and phone memory over the WiFi network like a regular Windows file share. I'd like one that ...
10
votes
4answers
35k views

How to set HTTP proxy and proxy authentication credentials in wifi?

I have set up wifi, I installed HTTP proxy and configured it, but where I put the proxy authentication credentials?
10
votes
3answers
10k views

Wi-Fi connection dropping

Lately I've been having trouble keeping a connection to Wi-Fi, first at home and now at work. What happens is that after a while I'll notice that my phone is using 3G. If I go into my Wi-Fi ...
10
votes
3answers
40k views

How to install a web certificate on an Android device?

To gain access to WIFI at university I have to login with my user/pass credentials. The certificate of their website (the local home page that asks for the credentials) is not recognized as a trusted ...
10
votes
5answers
6k views

How can I prevent Google Talk from disconnecting?

After about 5-10 minutes of not using the app (i.e., not sending messages), my Google Talk connection drops and does not reconnect till I play with the app a bit. How can I prevent this from ...
9
votes
6answers
13k 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 ...
9
votes
1answer
5k views

How do I make Android consider my WiFi Access Point as valid (blue?)

We have a very large wifi network at Stack Exchange, and the primary guest network is tightly locked down. Our firewall rules permit essentially just http/https and vpn connections. When our ...
9
votes
3answers
2k views

Disable all non-Wi-Fi Internet connections

I want my phone (running Android 2.3.5) to only connect to the Internet via Wi-Fi. How can I disable all non-Wi-Fi connections, such as 3G or similar?
9
votes
2answers
10k views

How do I connect to a wifi ap and 3g network simultaneously?

When I turn wifi on my 3g connection shuts down, which is fine in most cases however I need to connect to a LAN at work that is not connected to the internet and I'd prefer not to lose my data ...
9
votes
2answers
823 views

Security risks of “Open Wi-Fi Networks”

How paranoid do I need to be about allowing my phone to connect to open/unencrypted WiFi hotspots? I don't really care if other people see my data (email being received or sent, stock quotes, ...
9
votes
3answers
2k views

How can I sync photos to a network drive over wifi?

My current workflow is to snap pics on my Droid, plug it in via USB, and sync the pics. I'd like to just run a script to sync the DCIM folder with a shared network drive, if anyone knows of a way that ...
9
votes
3answers
14k views

Why does Android prompt me with “Enter the credential storage password” when I attempt to connect to a secured WiFi network?

When I connect my iPhone to a secured WiFi network (at work), I'm prompted for my Username and Password. (And then I'm prompted to accept what I presume is an SSL certificate.) But when I select the ...
9
votes
2answers
874 views

How to have phone prioritize encrypted Wi-Fi hotspots?

I have a Wi-Fi solution similar to FON which has an encrypted private home Wi-Fi hotspot and a guest network which is unencrypted and requires one to log in once a day. My problem (or rather, ...
9
votes
3answers
13k views

How do I find out what wifi chipset my phone has?

I've got LG Optimus One phone (model LG-P500h). How do I find out what wifi chipset my phone has? Is there a general mechanism that will work for all phones?
9
votes
1answer
694 views

Dropped wireless on Android?

I currently have a Droid Incredible (Froyo with ROM: Skyraider 3.5 w/ Sense) For a while now, my wireless connection on my Droid Inc just drops and switches over to 3G even though wireless, on ...
9
votes
6answers
1k views

How can I fix the Wi-Fi button or prevent Wi-Fi errors when turning it off and back on?

Sometimes after I shut off Wi-Fi using the button inside the notification bar drop-down, I can't turn it back on with that button. Hitting the button does nothing, it's not even highlighted. When I ...
8
votes
4answers
6k 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 ...