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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7
votes
1answer
11k views

How to share Android “Reverse-tethered” internet via Android WiFi?

Before going into main question, we do know that : we can do Reverse Tethering from PC into android (http://forum.xda-developers.com/showthread.php?t=1371345) And we can share current phone internet ...
25
votes
4answers
3k 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 ...
24
votes
11answers
19k 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
14
votes
2answers
127k 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
515k 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?
20
votes
3answers
39k 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
11answers
54k views

How to transfer files over WiFi without a hotspot?

I'm looking for a way to transfer files between an Android phone (Samsung Galaxy S2, rooted) and any computer system I may need to interact with (this means preinstalled software on the computer, ...
8
votes
4answers
2k views

How can I access data (such as WiFi keys) in an encrypted Titanium backup?

How can I decrypt an encrypted "Titanium Backup" backup using standard (linux) tools? Example: Wi-Fi serves as a practical example, many other uses may apply to the solution I'm looking for. If I ...
7
votes
2answers
8k views

How can I automate the Hotspot login process? [duplicate]

Possible Duplicate: Can I automatically log in to open WiFi that requires web login/password? Scenario: I go into a coffeeshop, I fire up my droid, and it says it's on the webs. But as soon as I ...
5
votes
2answers
21k views

Can I program Tasker-like programs to do stuff if specific WiFi network is in range?

I'd like to try out Tasker, Llama or some such automated program. However, I do NOT want to program events based on GPS or other location information (for a variety of reasons not germane to this ...
14
votes
4answers
13k 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 ...
8
votes
3answers
52k views

Can I manually download my wifi settings to my Android device from my Google account?

I just purchased my fourth ever Android device - An HSPA+ Samsung Galaxy Nexus phone. When I purchased my second and third devices (Samsung Galaxy Tab 10.1 and an Asus Transformer Pad TF300T), I ...
4
votes
5answers
41k views

How can I stream music/audio from Android and PC to Android device via WiFi?

I've searched for this for some time, and I've found several options that almost works. I have an Android device connected to my stereo and I want to be able to connect to it with either my PC or my ...
14
votes
3answers
31k views

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 ...
13
votes
4answers
14k 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
3answers
69k 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 ...
7
votes
1answer
5k 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'...
6
votes
1answer
16k views

Free Wi-Fi network: how to autoaccept (robotic click) wifi policy web page? [duplicate]

Possible Duplicate: Can I automatically log in to open WiFi that requires web login/password? At a hospital, there is a no-password Wi-Fi network which is for guest and prior having internet, I ...
6
votes
1answer
4k views

how to restrict my android wifi connect to only one access point?

I like to restrict my android device's wi-fi connect to one and only one access point. The attempt to connect to any other access points should be prevented. Is it possible to check the SSID value of ...
6
votes
3answers
7k views

How to download apps without a wireless data plan

I bought an i7500, no data plan. I had assumed that connecting to my router would allow me to download apps from the marketplace; apparently not. I get a message about not being able to connect via ...
4
votes
0answers
94 views

Wifi Direct and internet simultaneously? [duplicate]

Possible Duplicate: How do I connect to a wifi ap and 3g network simultaneously? Is it possible to use Wifi Direct and regular internet at the same time? For example, could an app be written ...
4
votes
2answers
2k views

How to auto-backup my phone internal storage to my PC (not cloud), using WiFi?

I'm looking for a method to automatically backup my internal storage from my Nexus 6 directly to my PC (not cloud), using WiFi, but I haven't really found a solution for it. I see most solutions use ...
3
votes
6answers
99k views

Tablet won't connect to any WiFi network anymore, always shows “saved”

My tablet will not connect to ANY WiFi network anymore. Everything was working perfectly for about a month. But now, the WiFi icon has disappeared, and every time I try to connect to a network it ...
18
votes
4answers
13k 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 Google's/...
12
votes
2answers
22k views

Wi-Fi turned off but battery usage shows shows huge drain from it

I have a problem with my Galaxy S3 4G. It's currently all stock and running Android 4.4.4. It seems the Wi-Fi will not turn off i.e. I can turn it "off" in the settings or notification bar, and this ...
10
votes
7answers
5k 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 ...
8
votes
8answers
8k views

Play music from PC on Android

If I have shared a folder on my computer that has all my music in it, is it possible, when connected to the same Wifi network with my phone (Nexus One, Gingerbread), to play this music on my phone? ...
5
votes
3answers
20k views

Automatically connect to VPN when connecting to WiFi?

My university has an open WiFi that requires me to log into a specific VPN before I can access the internet. Is there any built-in way or app that allows me to specify which VPN I want to start ...
4
votes
2answers
70k views

Locking applications to wifi only data connections

So I've switched to a tiered data plan. Is there a way to lock certain applications from using 3g/4g and instead only use connected wifi.
4
votes
2answers
2k views

Turn on Wi-Fi periodically to do a quick network discovery

Regarding the answer to my previous question of Android's idle Wi-Fi use, it seems like a huge waste of battery life to have Wi-Fi constantly scanning and draining battery. So it seems it would be ...
4
votes
1answer
495 views

Phone randomly cannot recognize my Wifi network

I have a few WiFi network in the neighborhood and the Nexus S will always detect those networks that I never use. However, for my own WiFi network, it randomly fails to recognize the network, even ...
3
votes
2answers
3k views

Samsung S7, Wifi keeps disconnecting

I've searched around, and so I can ensure that this is not a duplicate. Smart Network Switch is off Keep Wifi on during sleep Wifi works excellent for other devices Wifi disconnects randomly even ...
2
votes
1answer
554 views

Phone uses 3G even when connected to WiFi

I've a Moto-G XT1033. When I connect the phone to WiFi, it connects fine, shows the WiFi icon but uses 3G for internet. H+ or E is shown over mobile signal icon and an exclamation mark on WiFi. Here'...
2
votes
0answers
1k views

How can I easily copy files from an Android device to a computer wirelessly via command line?

I need to copy jpegs from an Android phone's sdcard to a computer, ideally through command line (/storage/sdcard1/*.jpg to a remote location) I've tried Izzy's solution from this post like so: scp -...
1
vote
2answers
31k views

Using ADB with usb debugging disabled, and no root

I have an Android Device running Android 2.3.7 . The device is locked due to exceeding pattern attempts. So now Android is prompting me to enter my gmail id and password. The problem is, the WiFi is ...
1
vote
1answer
12k views

Stuck on “Turning Wi-Fi on…”

I've a Wintouch Q75s Tablet running on Android 4.0.4 ICS. I was using its Wi-Fi with no problems until yesterday, the Wi-Fi didn't want to turn on. I've noticed that my MAC address changed to ...
0
votes
2answers
4k views

changing dns settings on android - not working

When i set my dns on my android device and go to dns leak test it's not the dns that I set in the dns settings. Its the dns set by my ISP. How can I get it to use the dns that I want? for reference:...
13
votes
5answers
68k 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?
8
votes
2answers
1k views

LG G5 Slowing down the house internet

The story started about a month and a half ago. At random times the internet speed went down drastically, changing between 0MB/s to 75MB/s (which is my maximum). I have called countless times to my ...
8
votes
1answer
3k views

What Android versions have captive wifi detection?

A captive Wi-Fi or captive portal being a Wi-Fi network that redirects all websites to a page, usually with a form to log in, enter a code, or accept some T&Cs. My samsung-nexus-10 can detect ...
7
votes
4answers
23k views

How can I tell that my phone uses the Wi-Fi connection for data traffic?

I just bought the Samsung Galaxy 2 and my monthly data plan allows me 250MB. I have Wi-Fi at home with 100GB of data per month. Obviously, I want to use my home Wi-Fi as much as possible on my phone,...
7
votes
2answers
1k views

Device stuck on “obtaining IP address”, then sets network to “disabled”

I've just arrived at some place which offers wireless internet. When I try to connect my computer, it sends me to some specific URL in which I need to accept some terms of use, and then the Internet ...
6
votes
3answers
33k views

Make phone calls using a computer through an Android phone, both connected by WiFi

I have a computer and Android phone connected by WiFi. I want to use my computer to make calls through the phone. Is there any way to do this?
6
votes
1answer
17k views

Prefer 5GHz over 2.4Ghz without disabling 2.4Ghz

I have a DualBand WiFi router, and a DualBand WiFi repeater. Both use the same SSID, both have 2.4GHz and 5GHz bands enabled. But my Android devices mostly connect the 2.4GHz band – even if I stand ...
6
votes
1answer
928 views

How much does Android use Wi-Fi for network discovery when not connected?

When I have Wi-Fi turned on, but not connected to any network, how much does Android use the Wi-Fi function? I'm asking this because apparently Wi-Fi activity uses considerable* amounts of battery. ...
5
votes
6answers
13k views

Can my phone act as WiFi Access Point while Disabling Celluar Radio?

Can Android act as a WiFi Access Point while the cellular radio is turned off? I tried to accomplish that using flight mode, but that won't work. While flight mode is enabled, Androids portable Wi-Fi ...
5
votes
4answers
2k views

Samsung Galaxy 5 Wi-fi stops working: “ar6000 driver fails to load”

My Galaxy 5 has this problem for some months now: wifi stops working, I try to enable it and the phone says "Error" without any other further information. The only way to make it work again is ...
5
votes
3answers
14k views

Guide to editing /etc/hosts

It was noted in another thread that it should be possible to build up a white list for an android device using the /etc/hosts file. I would like to experiment with this idea. Does anyone have any ...
5
votes
3answers
16k views

Connect to Wifi network even if it doesn't have internet access

I have a LAN accessible over wifi that I'd like to connect my Android device to, but when I go to Settings->Connections->Wifi and try selecting the network, it doesn't connect. If I enable internet ...
4
votes
4answers
16k views

Send files from Linux to Android via ssh

I want to send some specific files from my linux PC to my android device. I'd like to send it automatically using terminal commands, so there will be no drag and drop files. I don't know what is the ...