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- [Presenter] Okay,
let's talk about enabling

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and disabling wireless technologies.

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And right here, we have Android.

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I'm gonna swipe down from the top

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to bring up the notification screen,

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and you could see here,

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we have the option to turn
Wi-Fi or WLAN on and off,

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right from here,

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and a host of other things
that you could turn on and off

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but that's really easy
to do, right from there.

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You can also go to the settings,

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click on the sprocket up here,

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and go to Wi-Fi from
one of several places.

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And you can turn it off
from here, from the switch

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or connect or disconnect
from networks from here.

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And normally Android will
automatically scan for networks,

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but you can also scroll down to the bottom

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and add a Wi-Fi network,

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and you would be doing that manually.

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Let's say, I'll tap on that now.

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Let's say that the wireless network

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you wanna connect to is
not broadcasting its SSID

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or its wireless network name.

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Well, then you would
have to add it manually

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in this fashion.

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Type in the network name,

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and then tap on security

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and select the correct
security in question,

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and then type in the password.

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So you'd need to know
all that information.

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So know where to go to,

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turn Wi-Fi on and off

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and how to scan for networks,
which is really automatic,

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and then also how to connect manually

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with add Wi-Fi network.

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Know how to do those
things, and we'll talk more

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about troubleshooting wireless connections

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in a later sub lesson.

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Now, being able to turn
off Wi-Fi is important,

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but you can also turn off
all wireless connections

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by putting the device into
what's known as airplane mode.

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And if we scroll down here

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you'll see we have
airplane mode right here,

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and you could tap on that,

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and select to turn it on.

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And then once you do,

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all wireless connections are turned off.

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Your GSM connection or CDMA connection

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or your 4G connection, your
wireless land or Wi-Fi,

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your Bluetooth connections.

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All these things will be gone.

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These little icons will be gone

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and then it'll be replaced
by a little airplane.

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So that is basically gonna

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turn off all wireless connections,

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and this is where you'd go to do it.

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Now you could also,

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press and hold the power button

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on most Android devices,

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and then you'll get the option
for airplane mode as well.

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So there's always multiple ways to get

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to these things in an operating system.

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- When you enable airplane mode,

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it turns off all wireless connections.

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And by wireless connections,

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I mean Wi-Fi, Bluetooth, GPS, you name it.

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So remember that it turns
off all wireless connections,

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but a user can then go,

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and turn Wi-Fi on.

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So even though a device
might be in airplane mode,

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some devices can still

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have one of the wireless
connections working

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if it was turned on afterward.

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So that's one of the things to check

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if a wireless connection is being made

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even though the device
is in airplane mode.

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- [Presenter] Okay, so here we have iOS.

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And if we go to the settings,

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you'll see that we have airplane mode here

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and that could be turned on again.

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That will turn off all
wireless connections.

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And then we have the Wi-Fi
option here and Bluetooth,

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so they could be turned on easily.

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If we tap on Wi-Fi now,

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you'll see that Wi-Fi is on

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and that's actually how I'm connecting

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to this to control it
remotely, to view it remotely.

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I'm using air server program to do that.

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And I'm connected to the unknown network,

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and it sees other networks,

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and you can join networks
manually by tapping on other.

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So if we tap on that now,

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it's kinda the same thing
we showed in Android.

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You need to know the SSID,
that wireless network name,

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and then you would have
to select the security.

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For example, WPA2, and
then type in the password.

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This is necessary sometimes
to make a connection.

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Sometimes you'll get updates on devices,

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and for some reason
you can't connect again

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to the old wireless network

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that you needed to connect to before.

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One of the things you could
do is forget the network.

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Tap on it and click on, tap on forget,

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and the other option is to
try and connect manually.

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But if you still can't connect,

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you know you wanna check your password,

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check that you're using
the right encryption,

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and also check your wireless access point,

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check the settings over there as well.

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So, and we're gonna talk
more about that type of thing

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and the troubleshooting for
that in a later sub lesson.

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But basically what you need
to know is understand Wi-Fi,

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how to turn it on, how
to connect to networks,

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the information you need to know

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including SSID,

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encryption type and password,

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and know how to put both
devices, iOS and Android

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into airplane mode as well.

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And that's about it for this sub lesson.