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.).

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8 votes
3 answers
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How do i recover my wifi pass from android using adb? [duplicate]

I'm connected to a wifi spot with my android, but i'd like to connect with my laptop aswell. I don't want to root my phone (warranty and stuffs) nor reset the router, as it has complex settings on it. ...
Miaur's user avatar
  • 81
1 vote
1 answer
2k views

How to manually sign into WiFi network?

I'm connecting to a WiFi network that I know show ask me for the username and password in the web browser when I go to access the internet. However it's not doing that when I go into my web browser. I'...
stackexchange's user avatar
1 vote
1 answer
164 views

How can I diagnose if my it's my phone that has a problem with wifi?

I have a Galaxy Note 4 - and I've been having trouble recently with the Wifi frequently disconnecting. What I would like to do is diagnose whether this issue is specific to my phone, before I send ...
dwjohnston's user avatar
1 vote
1 answer
2k views

Wi-Fi problems on CM11 (4.4 KitKat, Samsung Galaxy S3)

I've recently encrypted my Samsung Galaxy S3 (with CyanogenMod 11-20141115-SNAPSHOT-M12-i9300 installed) using vdc enablecrypto wipe, and since then I've been having a problem with the Wi-Fi radio on ...
Arielle's user avatar
  • 757
0 votes
1 answer
440 views

Got connection problems: How to reset wifi stack without factory reset?

I installed CM 5.1.1 and restored a ton of apps with Titanium Backup. Now my Wifi is bugged: When I enter a known Wifi network the phone connects to the wifi but can't make a real connection (has a '!...
sir_brickalot's user avatar
1 vote
0 answers
143 views

How do I stop Play Store connecting to a specific WiFi SSID?

The WiFi network at an office I frequently visit has firewalled the Play Store, or some port that the Play Store uses. In any case, it is impossible to connect to the Play Store over that network, and ...
Andrew Brown's user avatar
0 votes
0 answers
279 views

Surprising problem to access Wifi Hotspot in Android 4.4 (Rooted)

I have uni proxy using NTLM authentication which I am sharing via hotspot created using this command netsh wlan set hostednetwork mode=allow ssid="NAME" key="PASSWORD" keyUsage=persistent netsh wlan ...
YetAnother's user avatar
2 votes
2 answers
193 views

Android exclude WiFis

In my area I have a lot of paid WiFi hotspots that are open and my android connects to them automatically. Can I set that WiFi's only with certain keyword in their name(SSID) would not connect to? ...
PovilasID's user avatar
  • 121
2 votes
1 answer
2k views

Connecting android phone to a local web server

Scenario. We have a product controlling some sort of household thing. Since its 2015, it also runs a small webserver so that people in the house can control the product using their phones. Everything ...
Alexander's user avatar
  • 131
0 votes
0 answers
375 views

WiFi automatically toggles off after turning it on

In the mobile set, the charging is almost full, rest of the applications are working well. WiFi stopped working abruptly. After switching WiFi ON from "Settings" it automatically turns off in 5 secs. ...
Rajendra Patankar's user avatar
3 votes
1 answer
486 views

Why does my Moto X phone support mDNS but my Samsung Tablet does not?

I have a device that is broadcasting mDNS, I am using this app to view it in the Bonjour Browser: https://play.google.com/store/apps/details?id=net.he.networktools&hl=en On my Samsung Tablet, it ...
gregm's user avatar
  • 81
0 votes
1 answer
1k views

WiFi never shuts off on Nexus 5 running Lollipop

I have Nexus 5 on Android Lollipop. When I check the battery graph, it always shows my WiFi radio as ON, even when I am using 3G and have specifically turned it off. I have observed that it only shuts ...
Megatron's user avatar
0 votes
1 answer
1k views

How can I unlock my s6 Edge Lock Screen w/o having to factory reset it?

Given how sensitive the fingerprint sensor on this phone, the 5 tries were used and the phone was asking for the backup password after. The problem is that i cant even remember the PW. I can unlock it ...
Aia6's user avatar
  • 1
0 votes
2 answers
5k views

Want to increase my utorrent android speed

I am using Galaxy A7 . My downloading speed is very worse 2kbbs it takes several weeks for a movie download.I am fed up really. Now a movie with 0/101 peers and seed 5/8 is downloading in 2 kbbs with ...
Raghu's user avatar
  • 1
1 vote
1 answer
3k views

How to boot Android with flight mode (airplane mode) activated

Is it possible to boot up Android so flight mode is activated? When I set airplane mode before rebooting or creating a nandroid backup the setting will stick. Are there any files like init.d that ...
sir_brickalot's user avatar
1 vote
1 answer
1k views

Log into WiFi network on Android Wear

Android Wear has a new feature where you can connect to WiFi and get notifications even while away from your phone. If the WiFi network is secure, then it uses the login credentials last used on your ...
vcapra1's user avatar
  • 113
1 vote
3 answers
1k views

Very frequent Wifi disconnection while being in China

I'm having an issue on my Nexus 4 (Stock Android 5.1.1). It keeps disconnecting from my Wifi. When I go back to connect, it says "No Internet access, automatic connection impossible". I currently ...
refreshfr's user avatar
  • 111
3 votes
0 answers
1k views

How to Diagnose WiFi Issues?

My Samsung Galaxy S4 (GT-I9515) with Android 5.0.1 does not connect to one particular WiFi any more - the Eduroam network at my workplace. The network is listed in the available networks list, with ...
O. R. Mapper's user avatar
0 votes
1 answer
4k views

Using Local (private) DNS server on Lollipop

I have a website hosted on an IIS server on my network. The DNS for this website on only valid from within the network. The DNS cannot be resolved outside of this local network. I am using Wi-fi to ...
Christopher's user avatar
4 votes
2 answers
14k views

Disable Internet access detection of WiFi networks?

In fact my WiFi DO HAVE Internet access, but for some reason it keeps telling me I don't and won't automatically reconnect to it. Now I have to manually reconnect every time. So, is it possible to ...
Inglis Baderson's user avatar
2 votes
2 answers
19k views

How to browse to a NAS in Android?

I have a NAS attached to my home router, and the NAS is running a web server. I would like to run the browser on my Android tablet, enter the URL (in my case, diskstation/wordpress) and get the page. ...
Bob's user avatar
  • 21
1 vote
1 answer
407 views

Go back to previous custom rom - adb issue

I decided to try a custom ROM from here. I downloaded Exodus ROM to my computer, and via ADB transmitted it to the sdcard/0/ folder. I then rebooted and flashed this custom ROM. Everything went well ...
java's user avatar
  • 223
-1 votes
1 answer
294 views

I cant connect to the wifi even if there is internet connection

I cant connect to the wifi even if there is internet connection.The wifi icon is displayed on the notification bar(with range),and its shows connected tothe link too.i can access net on my pc(on which ...
Tobin Thomas's user avatar
2 votes
0 answers
270 views

Android, connecting to a specific wireless channel

I live in a dorm where there is the same wireless network with different channels. How can I choose to which channel I want to be connected? The problem is that channel 1, which has the best signal ...
Horstenson's user avatar
1 vote
1 answer
9k views

Set Open DNS in Android 5.0.1

Just updated my Oneplus One to Android 5.0.1, and I can't change the DNS when I select the "Static IP" option in Wi-Fi settings. Basically I can put the values in, there is just no way to press OK and ...
Mihai Popescu's user avatar
1 vote
1 answer
126k views

my android phone keeps asking “Sign-in to WiFi network” even if WPA/WPA2 is already authenticated

I'm trying to connect to a DLink Router protected with WPA/WPA2. It's our home router and I can connect perfectly to it from laptops and desktops, Linux and Windows alike, even for my friends mobile(...
Pratik's user avatar
  • 11
3 votes
5 answers
35k views

Cannot connect android phone to tp link router

I have TP Link TD-W8968 wireless router. I can connect my laptop to the router but not a phone since few days. I am facing a problem since a week, when I turn a wi-fi on on my android device HTC ...
Apurva's user avatar
  • 236
1 vote
1 answer
2k views

What range of tcp buffer size do you suggest for slow and fast networks?

If you search the net, you come across with ranges like these that claim would enhance your net throughput: net.tcp.buffersize.default=4096,87380,256960,4096, 16384,256960 net.tcp.buffersize.wifi=...
wiki's user avatar
  • 465
2 votes
2 answers
1k views

Can't change DNS on S3 mini

I am trying to use OpenDNS on my phone. I have tried using SetDNS, DNS Changer, and DNSet. At least two of those claim to allow changing the wifi DNS without root access (I am only using wifi on an ...
Moss's user avatar
  • 105
0 votes
1 answer
113 views

Two phone numbers (one USA, one Qatari) same phone, calls and text over cell data. Any suggestions on how to accomplish this?

I need your advice and ideas. I am moving to Qatar in a couple days for work and I am trying to figure out the best cellphone situation. Currently I have a Google Nexus 5 which is fabulous, on AT&...
user1238528's user avatar
-1 votes
1 answer
3k views

Hide WiFi status icon on CM 12

I don't want to anyone to see the connected WiFi symbol on my phone status bar, can you please help me? I have Galaxy Note II with CyanogenMod 12.1.
Ray Patel's user avatar
0 votes
1 answer
141 views

setting kind of semi - airplane mode [duplicate]

In airplane mode, both SIM(s) and wi-fi are disconnected. Is there a way to just disconnect the SIM(s) and keep wi-fi connected without root privilege?
Minimus Heximus's user avatar
-2 votes
1 answer
2k views

Can I jam the WiFi connection of other android phones nearby?

Is there any way to programmatically jam the WiFi signal of another Android phone? Or anything that comes close to this?
conectionist's user avatar
2 votes
1 answer
3k views

How can I run a shell script when some WiFi is connected?

I have a really simple shell script, that just adds a route to my internal development machine. This is useful, as that machine has some LXC containers inside, so I can reach all my containers from my ...
Eduar's user avatar
  • 121
0 votes
2 answers
2k views

How do I turn gray wifi icon to blue?

I have been searching for answers and some suggestions doesn't seem to work. I can connect to WiFi but I am not able to use it, (Facebook, Play store, Etc.) because the WiFi icon seem to turn into ...
Julianne Agorilla's user avatar
1 vote
2 answers
10k views

Turn off WiFi only when the device is both locked and screen turned off

I have already tested some apps for this purpose and they solely rely on the screen turning off, which makes sense at some point. However, their concept breaks down when you want to use an app over ...
Kristof Pal's user avatar
1 vote
0 answers
5k views

How to setup wifi from adb shell?

I'm using adb over USB to shell into a rooted CyanogenMod-modded device. I wanted to debug my wifi connection through the command line, connecting to an open (unprotected) wifi network. Is it possible ...
Capi Etheriel's user avatar
0 votes
3 answers
1k views

Android apps won't connect over school WiFi

I have several apps that won't connect even though I connected to WiFi. Google Chrome and browser work fine, but other apps say can't connect to the server or needs an internet connection. When I'm at ...
lady m's user avatar
  • 1
1 vote
1 answer
9k views

How can I set a static IPv6 address for a WiFi connection?

I am running CyanogenMod 12 (Android L) on a OnePlus One, and would like to set a specific wireless network to use a static IPv6 address. I see a menu option for doing this for the IPv4 address (as ...
nanofarad's user avatar
  • 115
0 votes
3 answers
4k views

why there is exclamation mark on wi fi. I am facing problem after upgrading to lollipop 5.0 [duplicate]

I have a Micromax AQ4501 mobile phone. I am getting an exclamation mark over the Wi-Fi icon. And I am unable to connect to Wi-Fi thereafter. I have been facing this problem since a few days after I ...
amrik singh's user avatar
3 votes
3 answers
5k views

Push notifications for Google Hangouts unreliable on WiFi

I just got a Moto E and am attempting to use Hangouts as both my chat client and my SMS client. This works well except for the fact that it is unreliable about receiving push notifications. The ...
Kazark's user avatar
  • 131
1 vote
1 answer
469 views

How can I timeout my hotspot?

I use my hotspot on the go, then forget to switch to Wifi when I reach my home or office. Is there an app that times-out the hotspot -- and cellular data in general -- and switches to Wifi? It coudl ...
Joshua Fox's user avatar
4 votes
2 answers
4k views

How to permanently stop Samsung Galaxy S5 from keep connecting to Wi-Fi?

I'm using Samsung Galaxy S5. At my place of employment, Wi-Fi is provided (a free version which isn't locked, and a version which is locked). It keeps connecting to the unlocked Wi-Fi network. I don't ...
SoftwareSavant's user avatar
11 votes
0 answers
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?
Minimus Heximus's user avatar
26 votes
9 answers
39k views

Moved out with my router : Location services don't get it

So I moved out, carrying along my WiFi router. I set it up at my new place, but now, every time I use a location service, it recognizes my router and places me at my old address... Any way I can force ...
Guillaume Fortin's user avatar
0 votes
1 answer
1k views

Nexus 4, Lollipop 5.1 WiFi Issue

My Nexus 4 device stopped connecting to the Cisco router at work for some reason. I thought it was because the upgrade to lollipop 5.0 (had Kit-Kat before) but I'm not so sure anymore. I tried: ...
Tamir's user avatar
  • 101
0 votes
1 answer
94 views

WiFi ICON is gray on my kitkat ONLY at home and ONLY with a specific device [duplicate]

I have noticed that when I'm at home, the WiFi icon is always gray, so I cab still have access to the internet but notifications from apps like whatsapp, Facebook, etc doesn't, work. When I connect to ...
Mateus Viccari's user avatar
0 votes
1 answer
44 views

How do I Save the password to a friend's router on my LG REALM Smartphone?

Each time I try to connect to this router it requires me to enter the (very long) password. I do not have to do that when I use my own router; I get connectivity without entering a password each ...
batpark's user avatar
0 votes
1 answer
610 views

Auto disconnect wifi when out of wifi zone?

I want my mobile wifi to get disconnect when i am not connected after a specific time. Ex- If i am out of my wifi network for 10min my wifi should get turn off. Note I dont have root access.
Akshay Katariya's user avatar
0 votes
1 answer
68 views

Unable to browse even when connected to free WiFi

I am unable to browse the internet, even if my phone is connected to my office free WiFi. I have tried resetting my phone.
Abigael Getachew's user avatar

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