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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4
votes
1answer
428 views

Problem with wi-fi after updating Nexus S to Android 4

My Nexus S phone doesn't detect any wi-fi networks after the update to Ice Cream Sandwich. Any suggestions?
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?
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 ...
0
votes
1answer
2k views

wifi problem with android

Hey all this might not be some programming problem rather a usability problem. I am new to android world. I have bought an android mobile [Samsung Galaxy Pro B7510] couple of days ago. I am trying to ...
3
votes
1answer
3k 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 ...
3
votes
1answer
355 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 ...
0
votes
1answer
157 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 available?...
6
votes
1answer
188 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 ...
3
votes
1answer
304 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
837 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 ...
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 ...
3
votes
0answers
283 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 not ...
6
votes
1answer
929 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. ...
3
votes
2answers
454 views

Deferring GSM data connection

Frequently I am in the range of WiFi. Still when waking up my phone (Motorola Milestone) it usually makes a GSM data connection (visible in the top bar), and only after few seconds the WiFi connection ...
-2
votes
2answers
148 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 ...
8
votes
1answer
2k 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 login/...
1
vote
1answer
208 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 ...
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 ...
1
vote
0answers
217 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 times ...
3
votes
1answer
2k 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
1k views

RemoteDroid connection problem

Has anyone tested the remotedroid app? I tried (on windows xp and samsung galaxy 2), installed both server app and android app, but nothing happens. Are there any more settings I should make? Thanks.
6
votes
2answers
1k views

Does Nexus S Wifi and GPS have issues?

So there I was, happily reading reviews about Google's/Samsumg Nexus S building my judgement whether to buy it or not after my Nexus 1 got stolen. Happily enough there were very few posts on issues ...
3
votes
1answer
2k views

all android devices on my LAN can ONLY connect to the gateway

I have a phone running 2.3 and a tablet running 3.1 on the wireles network along with a bunch of computers. I have a bit of a networking mistery. Here are the facts: all the devices can get the the ...
1
vote
1answer
586 views

Best Wi-Fi Performance Doesn't Do Anything

In wireless options there is such setup, but it does not do anything. It doesn't increase coverage or signal. And i think it does not consume more power. Why? Because this option does not apply ...
4
votes
3answers
5k views

Samsung S Galaxy II (i9100): Problems with Wifi signal, bad reception, breaking connection

I recently bought an Samsung S Galaxy II (i9100), and I am pretty pleased with it. It is by far the best phone I ever owned. The only downside I have is that it has a really poor wifi signal. It ...
1
vote
1answer
213 views

Wi-Fi sleep policy when mobile networks are turned off

I have a fairly expensive data plan and I don't want my phone to use any of it, so it turned off mobile networks in Settings. When I access the Wi-Fi sleep policy setting, it says it switches to ...
2
votes
3answers
1k views

How can I configure my phone to automatically connect to remembered wifi networks? (after having left the device to sleep)

That question occured to me when I saw the WIFI_MODE_FULL API documentation: Wi-Fi will be kept active, and will behave normally, i.e., it will attempt to automatically establish a connection to a ...
3
votes
1answer
3k views

Connect Android device as wifi adapter to a PC to create an ad-hoc network

Sometimes when being at a friends house there is no wifi but wired internet access. In these cases it would be extremely useful if I could plug my phone in and create a wifi network just like when ...
1
vote
1answer
365 views

Can't do wireless tethering. HTC Hero with 2.2 ROM

Recently a friend of mine showed be his Desire HD, and it has an option on the Wireless settings section, which is something like "USB and Portable Tethering". So when it's activated, it creates a ...
1
vote
2answers
476 views

wifi-connection-weak signal

My provider has a data cap if 5gb. I have a Samsung Acclaim. Before I went with my current provider I had a smart phone and the provider had no data cap and I downloaded videos, pics, ringtones and ...
3
votes
2answers
433 views

Minimizing data usage for users with data caps

To reduce my phone bill, I recently switched from an unlimited plan to a prepaid plan which only has a 50 Mb data cap per month. I think that should be adequate for email, google voice, and navigation....
1
vote
2answers
2k views

Mount PC folder on my android, then serve audio/video through my Android to my TV via USB?

My plan would be to allow me to connect my Android to my TV by USB, and then be able to play videos/audio from my Computer that is mounted over wifi on my Android. Is this currently possible, or is ...
4
votes
2answers
543 views

Android tablet as music remote

I imagine a setup where I use an android tablet computer as a remote control for my hifi system - at least for selecting music. I have connected a low-power, cheap and small linux computer to the amp. ...
3
votes
3answers
309 views

Wi-fi immediately disables

I have a Samsung Captivate. This week, it's wi-fi stopped working. To be more precise, it's wi-fi recognizes there is a wi-fi router nearby (my home's), and tries to connect. But it immediately ...
3
votes
1answer
397 views

Is there a way to set the IP configuration on a per network basis?

I connect to multiple wifi networks. On some of the networks I have to use a static IP address. Most with DHCP configurations are without the option to use static IP addressing. For this reason I ...
9
votes
2answers
1k views

How to have phone prioritize encrypted Wi-Fi hotspots?

I have a Wi-Fi solution similar to FON which has an encrypted private home Wi-Fi hotspot and a guest network which is unencrypted and requires one to log in once a day. My problem (or rather, ...
1
vote
0answers
383 views

Cannot connect my samsung gt i5510 to the laptops ad hoc wifi connection! [duplicate]

Possible Duplicate: Why can't my device see an ad-hoc WiFi network? My samsung gt i 5510 will not detect any wifi ad hoc network on any laptop. however, the wifi tethering works beautifully. ...
9
votes
1answer
810 views

Dropped wireless on Android?

I currently have a Droid Incredible (Froyo with ROM: Skyraider 3.5 w/ Sense) For a while now, my wireless connection on my Droid Inc just drops and switches over to 3G even though wireless, on ...
3
votes
1answer
5k views

How can I reduce latency while tethering?

When tethering with PDAnet (the free version), using a stock moto-Droid 1 on Verizon, I am getting between 1k-3k ms latency on World of Warcraft. I would like to know what is the likeliest culprit, ...
6
votes
1answer
539 views

Why can't the Droid 2 connect to 5 GHz WiFi networks?

The Droid 2 can connect to 2.4 GHz wireless networks, such as 802.11b/g/n, but not 5.0 GHz networks such as 802.11a/n. Why is this? Is there any workaround to allow it to connect to both types of ...
2
votes
2answers
1k views

nexus s rooting wifi error problem

So, I have unlocked my Samsung Nexus S that runs on Android 2.3.1 and i have rooted it. The problem now is that I cant open wifi anymore, it keeps telling me "error" whenever I click on wifi .. Why ...
3
votes
1answer
639 views

2.1 as a secure access point?

I rooted my HTC Desire 2.1 and I want to turn in into secure access point. Is there any way I can do that? I do want to make is secure so user has to enter password to get Internet access.
0
votes
1answer
535 views

htc g1 cannot discover/connect to a 802.11 n/b/g wifi

My G1 was able to connect to a WiFi (not sure about its mode). But after I moved to a new house, I found it cannot discover/connect to the WiFi in the house, but it can discover the WiFi signal from ...
3
votes
1answer
908 views

is it possible to use a CA-Cert for serverauthentification in WPA enterprise networks with android 2.2+?

I just wanted to know if it is possible with android 2.2+ to use a ca-cert for server auth in WPA-Enterprise networks? A fried told me it is not possible, but this would mean there would be a mayor ...
2
votes
1answer
680 views

Wifi turns off on NookColor when put to sleep. How can I prevent this?

I have a rooted NookColor. Everytime I put the device to sleep and then unlock the device on the next use, I have to disable the wifi and re-enable it in order to get wifi working again. I've tried ...
4
votes
1answer
2k views

What Android Tablets are compatible with 5 GHz 802.11 networks? [closed]

All too often, I've seen manufacturers go the "cheap route" when putting out products that they can call "802.11n compatible". Most of the time, what they aren't telling you is that the "compatible" ...
3
votes
2answers
395 views

Wi-fi keeps turning off

Within the last few days, my Wi-fi setting keeps switching to "off". It does this even when the screen is on and I'm actively using the device. I've checked the couple apps I still have that help ...
3
votes
2answers
291 views

How do I avoid problems when going from Wi-Fi to cell data connection (3G)?

I have my phone (Droid X) connected to my home Wi-Fi network, but when I leave it can take applications (Google Maps, Rhapsody, etc) probably 10-15 minutes before they function normally without either ...
6
votes
1answer
15k views

Wifi goes off on screen lock? [duplicate]

Possible Duplicate: How do I keep my wi-fi on in sleep mode It seems to me that the wifi on my phone goes off when the screen gets locked. That way it's not syncing and I don't get notifications. ...
6
votes
1answer
1k views

Can I get a notification of failed WiFi connection for secured network?

I have an HTC Hero running Android 2.1. My work has a secured wifi network that we're allowed to connect our phones too. We also have to change our account passwords every so often. When this happens, ...