Questions tagged [wi-fi]

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.).

35
votes
3answers
99k 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 ...
33
votes
6answers
84k 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 ...
16
votes
3answers
51k 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 ...
7
votes
2answers
38k 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.
36
votes
4answers
211k 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 ...
7
votes
3answers
13k 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?
42
votes
4answers
88k 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 ...
11
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?
18
votes
2answers
3k 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.
35
votes
6answers
136k 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 ...
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 ...
57
votes
8answers
252k 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 ...
18
votes
6answers
38k 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 ...
23
votes
12answers
187k 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 ...
3
votes
1answer
3k views

Share WIFI over USB

So all the questions with similer names are the inverse of what I want. I would like to connect my tablet (that is "blocked" on the wifi) to my windows 10 computer over a usb cable and have the ...
0
votes
2answers
579 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 ...
60
votes
8answers
95k 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 ...
9
votes
3answers
15k views

How to set WIFI proxy via adb shell?

Genymotion 2.2 & Android 4.0 I want to set a global HTTP proxy in Android, and all Apps will go through this proxy. Now I can only do this in GUI as following way: Wi-Fi -> WiredSSID -> Modify ...
20
votes
5answers
26k 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,...
2
votes
1answer
3k views

What is the functionality concept behind Wi-Fi sharing (aka Wi-Fi Profile share)?

Recent versions of Samsung devices (at least to my knowledge) are equipped with a rather unique feature called "WiFi Profile share" or just Wi-Fi Sharing. My little understanding of this feature ...
2
votes
2answers
12k 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 ...
1
vote
2answers
231 views

What values to set in Static IP Settings of Wi-Fi when changing DNS?

I have nearly the same problem as Set Open DNS in Android 5.0.1 and the answer helped me. Although I just want to change the DNS for blocking porn, what values for the following fields should I enter?...
29
votes
6answers
26k 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 ...
25
votes
4answers
22k 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
7answers
36k 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 ...
12
votes
2answers
22k 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 ...
9
votes
2answers
1k 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
2answers
87k views

How to reset Wi-Fi settings?

Somehow Wi-Fi stopped connecting on my phone. It is not a hardware issue, as it does work when I perform a reset. What files do I need to delete to get Wi-Fi back working? I don’t want to reset my ...
6
votes
2answers
19k 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. https://stackoverflow.com/questions/4893953/android-run-install-debug-applications-over-wifi/19940301#...
5
votes
1answer
25k 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 ...
19
votes
4answers
41k 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 ...
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.
2
votes
2answers
1k views

Is there a way to access the phone filesystem from computer, wireless?

Known solutions: USB Mass Storage (sadly, mostly deprecated on Android 4, 5, etc.). MTP, and I know its benefits (a lot) and its weaknesses (browsing on a MTP drive with Windows Explorer has poor ...
19
votes
9answers
5k 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 ...
11
votes
3answers
32k views

Force MarshMallow to keep a Wi-Fi without Internet access

I'm associating a Nexus 5x running MarshMallow 6.0 to a Wi-Fi hotspot that has no Internet access. Android keeps dropping the connection every second and then won't even try to reconnect stating that ...
9
votes
3answers
28k views

Limit YouTube to Wi-Fi only

My daughter loves to share videos on YouTube with her friends. As a result she's blown through her monthly 2GB data allotment on multiple occasions. While I've educated her on the difference between ...
13
votes
5answers
60k 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?
7
votes
4answers
11k 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 ...
5
votes
1answer
3k views

Auto sync only when connected to a specific wifi network

I am getting rather low battery life when using auto-sync on 3G. I have wifi in college and at home, so I'm looking for a way to enable auto sync only when connected to those 2 specific wifi networks.
4
votes
2answers
39k views

How to set up a network connection between Android phone and Windows PC without Internet

Is it possible to connect my Android phone (Galaxy S3) directly to my Windows (7) PC in such a way that I can make network connections to the PC from the phone, without a pre-existing WiFi network? ...
3
votes
4answers
24k views

How to use Android in Wi-Fi repeater mode by bridging Wi-Fi with Access Point?

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 ...
16
votes
9answers
86k views

Can Android switch to the Wireless AP with the strongest signal

I have a Wireless Router (D-Link) in my living room and a repeater (TP-Link WA750RE) in my kitchen. Sometimes when I go to the kitchen and back into the living room, my Nexus 5 (Android version 4.4.3) ...
4
votes
6answers
6k 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 ...
4
votes
2answers
640 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.
2
votes
1answer
28k views

WIFI connection with question mark

My android phone connected with WiFi shows full signal. Whereas question mark appears on the signal mark and I'm unable to connect to the internet. Can anyone give me a solution to reconnect my ...
2
votes
1answer
1k views

Only connect to certain Wi-Fi networks

I have a Bionic and recently upgraded from Gingerbread to ICS. I used to have my home Wi-Fi and my work Wi-Fi networks saved in my phone, and I had it set to not look for any other networks. I never ...
28
votes
3answers
149k views

How does WiFi in android detect if the device has to sign in or not?

When the device tries to connect to an access point or router, it has to sign in on the captive portal page with the message saying "Sign in to Wi-Fi network". How does the access point/router ...
22
votes
2answers
23k 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 ...
14
votes
2answers
126k 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 ...
7
votes
6answers
504k views

How to stop Wifi from automatically turning itself off?

So on occasion, my wifi automatically turns itself off for some strange reason. This happens on both my Lenovo ThinkPad and my Samsung Galaxy S5. Is there a way prevent this from happening?