For questions specifically about issues with WLAN network connectivity (via a wireless router) as opposed to questions related to cellular connections (2G/3G/4G, etc.).

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26
votes
4answers
73k 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 ...
26
votes
3answers
42k views

How to disable captive portal detection? How to remove exclamation mark on Wi-Fi or signal icon in Lollipop?

When connected to the Internet, the system checks if it's in a walled garden, which is simply trying to connect to Google. If it fails, in Android 5, there'll be an exclamation mark on the WiFi icon ...
11
votes
2answers
33k 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 ...
3
votes
2answers
28k views

Why can't my device see an ad-hoc WiFi network?

I am trying to connect my Galaxy Tab to the Internet through an ad-hoc network made via my PC. The PC ad-hoc settings are fine because I can use it from my iPhone and other devices.
5
votes
3answers
12k views

Does any version of Android support ad-hoc connections?

I just bought a Lenovo Ideapad A1 which runs Android 2.3. It seems that connecting the device to an ad-hoc network is not possible. Does any other Android version support this?
28
votes
4answers
45k 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 ...
23
votes
4answers
103k views

Can I use my Android device as Wi-Fi Adapter for my PC (i.e. 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
0answers
2k views

Closing internet access for some apps [duplicate]

Is there a way to prevent some apps from accessing to internet when wi-fi or mobile data is on?
17
votes
2answers
2k 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.
8
votes
1answer
2k views

How can I prevent my Wi-Fi connection from glitching?

Occassionally my Wi-Fi goes into this weird state where the phone "thinks" I'm connected, but the connection simply doesn't work. Apps still seem to think I have connectivity, though they can't ...
48
votes
8answers
176k 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 ...
31
votes
6answers
116k 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 ...
20
votes
2answers
73k 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?
17
votes
12answers
124k 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
7answers
24k views

Using SMB server without root access

I'm looking for a way 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 does not ...
3
votes
3answers
16k views

Android as WiFi bridge with AP

I would like to extend a WiFi signal. I could buy a WiFi repeater, but a much cheaper solution would be using an older Android 4 device, which I own and don't use. The Android device is capable of ...
47
votes
7answers
59k 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 ...
22
votes
4answers
12k 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 ...
17
votes
5answers
19k 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 settings,...
4
votes
2answers
3k views

Android ADB connect to device with broken USB and no root

I've read through the thread below and come across 2 solutions for connecting a device with ADB. Android - Run/install/debug applications over WiFi? The first is to use USB, and this isn't an ...
2
votes
2answers
11k views

Connect android phones through adhoc wifi network

I want to connect my android phones (two Galaxy s2 and two nexus1 phones) in adhoc mode through wifi connection. Something like peer to peer network so that I can transfer messages with mobiles in my ...
0
votes
2answers
494 views

Copy data from phone to wifi network

USB port on my phone broke (can't transfer data). My phone uses built-in memory, no memory card. It works, I connect to wifi, etc. Is there any software or easy way to copy all my files from phone to ...
17
votes
6answers
21k 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 ...
15
votes
2answers
8k views

Disable a specific WiFi network from automatically connecting to in Android

I have several WiFi networks setup on my android device. I want most of them to automatically connect, but one specifically I don't want to automatically connect to. I want to manually connect to it ...
11
votes
2answers
16k 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 ...
3
votes
1answer
13k views

Which WiFi-Direct commands can be used in Android?

I am interested to know what commands can be used in Android to control WiFi direct from the terminal/command line. I took a look into p2p WIFI direct but I didn't catch these commands!! I can find ...
6
votes
3answers
3k views

Is there a way to mount a Windows shared drive so I can access those files on my phone?

I have a shared network drive full of files I want to access from my phone over wifi. Is there a easy way to mount it on my phone? I have a rooted Motorola Milestone.
19
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 ...
12
votes
3answers
20k views

How to reach local computer via machine name instead of IP?

Developer here prototyping a mobile app, somewhat new to mobile: I have a simple HTTP service running (currently) on my main laptop with machine name latitude. Another laptop named vaio sharing the ...
11
votes
4answers
48k 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?
6
votes
4answers
7k views

How to monitor Wi-Fi usage?

Is it possible to monitor Wi-Fi usage in a similar method to how 3g watchdog monitors 3G usage? I have android 2.2 on my phone. I doesn't need to do everything 3G watchdog does, all I need to see ...
4
votes
6answers
5k views

Can I use my phone as an audio device via Wifi?

Is there any way to stream all audio from my (Windows) PC to my phone via Wifi, so that my phone acts like a sound card? I basically want to use my phone with my headphones as wireless headphones. It ...
5
votes
3answers
103k views

I need to view the saved WiFi passwords on my non-rooted Android phone

I have an LG Optimus 7 (not-rooted), and all my WiFi passwords are there. I want to view the saved WiFi passwords to transfer thm to my new Samsung Galaxy S3, but I don't know how. I tried to search ...
4
votes
2answers
626 views

How do I share my wifi with my ipod or netbook

If my home network is down or if I am traveling, how do I use my phone to access the internet. Basically how would I tether it to my other devices.
21
votes
2answers
20k views

How can I stop Lollipop ignoring my wifi network?

Android 5.0 has a new "feature": If a wifi network has no connection to the internet, it will remain connected to it but route traffic over mobile data instead. A small exclamation mark shows in the ...
12
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?
9
votes
2answers
943 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, ...
10
votes
6answers
2k 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 ...
17
votes
7answers
26k 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.
10
votes
1answer
6k 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
4k 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 ...
5
votes
2answers
24k views

My phone stopped remembering wifi passwords!

For some reason that completely escaped me, this here Samsung S3 mini stopped connecting automatically to my home network, always requiring me to re-type the wifi password. Since then, I noticed that ...
5
votes
2answers
10k views

How exchange messages between 2 android devices through wifi and bluetooth without internet?

I am currently working on the creation of an application for mobile devices with Android which should be capable of sending and receiving messages through local means like wifi and bluetooth. After ...
20
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 man-in-the-...
18
votes
2answers
3k 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, ...
2
votes
1answer
949 views

How does Android determine if it has an Internet connection?

My Nexus 10 (Android 4.4.2, unrooted) is not playing nice with my wireless network. Although it can connect and I don't have any problems browsing the web, for some reason Android thinks that it doesn'...
7
votes
3answers
2k views

Is 150 MB / month enough for limited use? [closed]

I've been thinking about getting a pre-owned Samsung Fascinate from Verizon for $40. I can't afford a $30/month unlimited data plan, but I was considering the $15/month 150MB data plan. I'm planning ...
6
votes
1answer
15k views

How does Android sync the WiFi Profiles?

I'm using Jelly Bean on a tablet and a phone on the same account. After logging into a particular wifi network on one device, I noticed that sometime later (weeks) the other device had some acquired ...
6
votes
1answer
2k views

How to make an unrooted phone use or detect Ad-Hoc Wi-Fi

I have an unrooted Android 2.3.6 phone and i want it to connect to the Ad-HOC connection made on my ubuntu...how do i do this? i refered some already existing questions here but none seem to be the ...
5
votes
2answers
3k views

Problem with connection to home Wi-Fi - how to debug?

My Android device (GT-S5570 running 2.2.1) is having connection problems with my home Wi-Fi network (ZyXEL adsl P-660HW-D1). The device connects ok, gets an IP address, and sees all other computers on ...