Dec 2017

Smartphone WiFi

understanding wifi connection and how to use on your smartphone

The mobile data connection is nice and is available pretty much all over, hut it costs you money. A better option, and one you should seek out whenever it’s for communicating with each other and the Internet.


Making Wi-Fi work on your Android phone requires two steps. First, you must activate the phone’s Wi-Fi radio. The second step is connecting to a specific wireless network. The next two sections cover the details.


Wi-Fi stands for wireless fidelity. It’s brought to you by7 the numbers 802.11 and various letters of the alphabet too many to mention.


Activating Wi-Fi :

Follow these steps to activate Wi-Fi on your Android phone:

1) Open the Settings app.


2) Choose Wi-Fi.

On some Samsung phones, tap the Connections tab to locate the Wi-Fi item.


3) Ensure that the Wi-Fi Master Control icon is on.

To turn off Wi-Fi, repeat the steps in this section, but in Step 3 slide the master control to off. Turning off Wi-Fi disconnects your phone from any wireless networks.


  • You can quickly peruse your phone’s Wi-Fi settings by choosing the Wi-Fi quick setting. See Chapter 3 for more information on Quick Settings.


  • It’s perfectly okay to keep the phone’s Wi-Fi radio on all the time. It is not a major drain on the battery.


  • Using Wi-Fi to connect to the Internet doesn’t incur data usage charges unless you’re using a metered connection. See the later section “Setting a metered Wi-Fi connection.”

Connecting to a Wi-Fi network :

After activating the Wi-Fi radio on your Android phone, you can connect to an available wireless network. Any available network you’ve previously connected to is automatically reconnected. Otherwise, you can connect to an available network by following these steps:


1) Open the Settings app.


2) Choose Wi-Fi or wireless & Networks.

On some Samsung phones, the Wi-Fi item is found on the Connections tab.


3) Choose a wireless network from the list.

Available Wi-Fi networks appear on the screen, similar to what’s shown in Figure 17-1. When no wireless networks are listed, you’re sort of out of luck regarding wireless access from your current location.


4) If prompted, type the network password.

Tap the show Password box so that you can see what you’re typing. That helps when the password is intolerably long or complex.



The network is connected immediately. If not, try the password again.


When the phone is connected, you see the Wi-Fi status icon atop the touchscreen, looking similar to the icon shown in the margin. This icon indicates that the phone’s Wi-Fi on, connected and communication with a Wi-Fi network.


  • Some public networks are open to anyone, but you have to use the phone’s web browser app to find a login web page. Simply browse to any page on the Internet, and the login web page shows up. Follow the directions to get network access.


  • Not every wireless network has a password. They should! I don’t avoid connecting to any public network that lacks a password, but I don’t use that network for shopping, banking or any other secure online activity.


  • Unlike the mobile network, a Wi-Fi network’s broadcast signal goes only so far. My advice is to use Wi-Fi when you plan to remain in one location for a while. If you wander too far away, your phone loses the signal and is disconnected.


Connecting to a hidden Wi-Fi network :

Some wireless networks don’t broadcast their names, which adds security but also makes accessing them more difficult. In these cases, follow these steps to connect to the hidden Wi-Fi network:


1) Open the Settings app and choose Wi-Fi.


2) Tap the Action Overflow.

On Samsung phones, tap MORE.


3) Choose Add Network o Add Wi-Fi Network.

Some phones may use the Add (plus sign) icon to add a hidden Wi-Fi network.


4) Type the network name into the Enter the SSID box.


5) Choose the security setting.


6) Type the password.

The password may be optional. See the preceding section or my advice on using password-less public networks.


7) Tap SAVE.

The network is connected automatically. If not, tap CONNECT.


Obtain the SSID, security, and password information from the girl with the pink hair and pierced lip who sold you coffee or from whoever is in charge of the wireless network at your location.

SSID stands for Service Set Identifier. It is not considered a valid acronym for use in Scrabble, despite its pitiful 5 points.



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