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

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5
votes
3answers
9k 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 ...
1
vote
1answer
1k views

How can I install a CA cert on my Samsung Nexus?

I have the cert as a .cer file on my Mac, and my phone is connected via USB. How can I install the cert on my device?
7
votes
2answers
967 views

Map internal Wi-Fi strength? [closed]

I'm a system administrator for a school division, and we are upgrading our Wi-Fi network. Is there a way that I can map the strength of the Wi-Fi signal at different places inside a building (where ...
2
votes
3answers
555 views

Possibility of monitoring internet traffic in case where galaxy tab is used as a mobile access point?

My employer gave me the Galaxy Tab. I am using it as a mobile access point (Wi-Fi) connection for my home computer. I do not have other internet access. I would like to know if my employer can ...
5
votes
3answers
11k 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?
6
votes
3answers
3k 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 ...
1
vote
2answers
2k views

ZTE Blade can't maintain a wifi connection

I have a ZTE Blade with Android 2.3.7 (CyanogenMod 7.1). Recently, when I try to connect to a wifi network (even one that worked before this problem started) it starts to connect, tries to ...
1
vote
1answer
658 views

Android 2.2 Galaxy S SGH-T959 kernel update with netfilter

I can't seem to find a kernel update for this phone that would include netfilter. Does anyone know a different way to install netfilter on this phone?
3
votes
1answer
2k views

How does Android chooses among multiple access points?

I have been doing a lot of research on this. Unfortunately I was not able to find how, by default, Android chooses among multiple access points. For instance, if a user walks into a mall and there ...
0
votes
1answer
147 views

Disable Pairwise Master Key Caching

I asked this question some time ago on another forum but never received an answer. I'm hoping that I may get a better answer here. The wireless network at my university is a bit shaky and I was ...
8
votes
5answers
13k views

Always seeing “No connection: Retry” in Android Market

I have an HTC Touch with Froyo installed that I use for app development. I haven't used it for a couple of months, and when I fired it up today I'm seeing the same error every time I launch the Market ...
3
votes
1answer
308 views

Wi-fi problem after tablet stand by

I have a couple of tablets for a school software.Tablets are mid 2.3 gingerbread. They work ok. When they start, it checks for wi-fi and automatically connects. My problem is, after 30 minutes of ...
3
votes
3answers
16k views

Where do I configure DNS and IP settings in HTC Desire S?

HTC Desire S seems to have very scarce WiFi settings. I'm trying to debug a Wifi connectivity issue and looks like it might be a DNS problem. I Googled and looks like many Android devices have some ...
4
votes
1answer
799 views

Wifi sleep policy not working

I tried some stuff I found about sleep policy. I obviously tried setting it to Never, I tried the Wi-Fi keep alive app, it doesn't seem to work. When I let the phone lie for a few minutes and then ...
0
votes
1answer
147 views

Share WIFI to Computer? [duplicate]

Possible Duplicate: Can the Samsung Galaxy Tab be used as a wifi-hotspot? Is their a way I can share the WiFi on my Galaxy Tab on my PC without having a landline internet access already ...
4
votes
3answers
4k views

Android internet connection related problems?

We can USB tether and use android internet connection on PC but How to achieve following: 1. How to use pc internet connection on android device using USB cable on Windows machine? I can use my ...
3
votes
1answer
23k views

Why is my Android phone unable to detect some wireless access points?

I created an unsecured ad-hoc network from my Mac machine and scanned for networks using my LG Optimus 3D, tried Samsung Galaxy Pop also. But unfortunately both the phone doesn't seem to pick up the ...
2
votes
1answer
981 views

Wi-Fi connects but can't browse

I'm opening a virtual router through my laptop, and my Galaxy S2 can see and connect to it fine. However, when I try to do anything that requires the network, it doesn't work (for example, I can't ...
6
votes
1answer
174 views

How can I log the start and stop connection with known WI-FI networks

At the end of a week , I would like to see a log for each connection with a (known) WI-FI network I made with my Galaxy phone. I automatically connect to different networks. It would be nice to see ...
6
votes
4answers
3k 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
3answers
1k views

Windows laptop works with Wi-Fi AP, phone claims it is connected but can't access Internet

There's an Asus 240 MIMO Wifi access point. There's a laptop running Windows XP that uses that access point no problem for years so far. And there's an Android based HTC Desire S smartphone that has ...
3
votes
1answer
291 views

How can I find out what devices support Skype video calling over Wi-Fi?

How can I find out what devices support Skype video calling over Wi-Fi? (I'm particularly interested in tablets.)
0
votes
1answer
536 views

Connect to internet via internet cafe PC when no wi-fi or 3G is available?

We are developing an Android data-entry application for use in places with very limited connectivity. We'll be using old/discarded Android devices in areas outside towns in Kenya, Uganda, etc. where ...
3
votes
0answers
266 views

Can I use an existing Wifi Network as source for internet connectivity and still enable WiFi tethering? [duplicate]

Possible Duplicate: Can we use an Android phone as a Wi-Fi repeater? It is possible to use android as WiFi access point using 3G - but, is there a way to use an existing wifi connection and ...
8
votes
1answer
1k 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 ...
1
vote
0answers
124 views

Phone will Sync though Wifi and 3G is off [closed]

I have Xperia Mini Pro that run on Android 2.3.3 I don't normally turn off the auto-sync, but my wifi is rarely turned on. I don't use 3G either. The problem is, whenever I'm in a wifi zone, though ...
5
votes
1answer
775 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 ...
5
votes
5answers
861 views

Is there a Wi-Fi-only mode?

Once I am connected to a Wi-Fi network (regardless of my other connections to 3G and 4G) is there any way to guarantee that all my data goes through Wi-Fi?
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 ...
4
votes
2answers
1k 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 ...
9
votes
4answers
21k 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?
6
votes
1answer
815 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. ...
1
vote
1answer
692 views

Unable to use apps that access the Internet on wifi

I have recently had a pretty weird problem with my new LG Shine Plus which I hope you guys could help, here is what I did: When I first sign up for the phone, I purchased a one month data plan just ...
5
votes
1answer
337 views

How can I create a Wi-Fi network from my Galaxy Tab with no internet access?

What I am trying to do is to connect an iPad to a Samsung Galaxy Tab via Wireless LAN. What I don't need is an internet connection. I also only have an Samsung Galaxy Tab Wifi. I can access the ...
7
votes
1answer
935 views

Is there a way to blacklist SSIDs? [duplicate]

Possible Duplicate: How can I tell my droid x to ignore a public wifi network? Like, the SSIDs xfinitywifi and timewarnercable are everywhere near me, and unencrypted, but require a ...
4
votes
1answer
416 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 ...
9
votes
6answers
16k 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 ...
1
vote
1answer
170 views

After update to GRJ90 I can no longer use WiFi hot-spot

My phone updated to GRJ90 about two weeks ago and now I can no longer use WiFi hot-spot or USB tethering. When I try, my 3G connection is dropped. After disconnecting and waiting a few minutes, it ...
-2
votes
2answers
143 views

How can I turn off Wi-Fi in Android?

When my wireless is turned off, and I get near an open wireless network, it automatically connects to it. (Why?) How can I completely turn off the Wi-Fi so that my phone will not do such insecure ...
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 ...
3
votes
1answer
1k views

Samsung Galaxy S - Problem obtaining IP address. “NAK in request”

I can't obtain an ip address to my Android smartphone from my wifi router. Observations: The smartphone connection to other routers or thru cellular data is ok. My router's wifi connection to my PC ...
5
votes
2answers
9k 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 ...
21
votes
4answers
54k 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 ...
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 ...
2
votes
3answers
350 views

How do I share files on my mobile over WiFi?

I have an Android phone. Can I share files on my smartphone with all devices on the home network? Which app will let me do this?
7
votes
3answers
4k views

How can I disable cellular data on an Android device?

Can I easily disable cellular data on an Android device and just use Wi-Fi? Does this change based on whether or not I have root on the device?
1
vote
0answers
214 views

Wifi Error when turning on [duplicate]

Possible Duplicate: How can I fix the WiFi button or prevent WiFi errors when turning it off and back on? After I turn on my phone (a Samsung Galaxy I551) the wifi works great. After some ...
3
votes
1answer
1k views

disable sync when in mobile (3g) network

How can I enable auto-sync only when wifi is available? I have a small data plan and I don't want to waste it on sync.
0
votes
1answer
280 views

cyanogenmod 7 mytouch 3g cannot connect to wireless

Upgraded to cyanogenmod 7.0.3-slide a week ago. Just today the wireless (802.11G) quit working. Wifi Analyzer just shows "Nothing yet ;)". Rebooting doesn't seem to help. Any ideas?
7
votes
1answer
716 views

Nexus S 4G: Use wifi for LAN, 3G/4G for WAN?

I'm developing a remote control app that will use wifi to communicate with my car stereo. The car stereo has ethernet, and I have the ethernet wired to a wireless AP in my trunk. This works great, but ...