Android Enthusiasts Stack Exchange
Android Enthusiasts Stack Exchange

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.).

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

2045 questions
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8 answers

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 fill everything out. The problem is that our…
f50driver
63
votes
8 answers

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 to have Bluetooth or USB connection for this…
michelemarcon
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46
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2 answers

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 login and password. But I'd like to be able to use…
Harlan
46
votes
4 answers

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 reason I ask is, most suppot wi-fi the other way…
Andrew M
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39
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3 answers

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 or signal icon. In some situations, this is…
Qian
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37
votes
6 answers

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 room. Then we can put the phone on the window sill…
Maksym
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35
votes
9 answers

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 only. I don't want to forget it because I don't…
mp42871
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35
votes
6 answers

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 wider Internet or did the network fail to…
Luke Quinane
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31
votes
11 answers

What is the fastest way to transfer huge files beween two android powered devices?

What is the fastest way to transfer huge files (e.g. 500MB) between two android powered devices? Bluetooth? WiFi direct? Beam? or maybe USB on-the-go?
2hamed
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31
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3 answers

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 identify that a sign in is required for the device and…
Sagar Vaghela
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30
votes
4 answers

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 same WiFi network can access that service via…
meta_leap
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29
votes
6 answers

Why does my Nexus 5 keep forgetting all wifi passwords after a reboot?

A month ago I got a Nexus 5. It's running Android 4.4.2 (kernel:3.4.0-gadb2201). I noticed after using it for a while that it constantly keeps forgetting all saved wifi passwords after a restart. In the beginning I thought it might have something to…
Maher4Ever
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28
votes
3 answers

What does the "Aggressive Wi-Fi to Cellular handover" option in Developer Settings do?

In Android Lollipop 5.0, I noticed that "Developer Options" features a checkbox for "Aggressive Wi-Fi to Cellular handover" that is unchecked by default. Does anybody know what this setting does and why it's disabled by default and hidden under…
ivanatpr
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28
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2 answers

Android Smart Lock: Why is there no option to use WiFi?

My Android device (v. 7.1.2) offers several options to use the "Smart Lock" feature. This feature uses some rules to automatically disable the lockscreen. Available rules are: Trusted place Trusted Bluetooth device Trusted face Trusted…
KooDooMoo
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28
votes
9 answers

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 the new location to be recognized for my…
Guillaume Fortin
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