Yes you can turn the 3ds Off when wireless but if your playing online people may not like it.
Yes, you can. You can also turn off wireless if needed.
The 3DS does not have a software "flight/airplane mode." You can turn off wireless functions using the switch on the right side of the system.
You can instantly turn your 3DS off by holding the power button for 3 seconds.
Yes, you can. Wireless can also be turned off if needed.
No. I have a compaq and when the computer is turned on, the wireless will turn on no matter what position the on/off switch is in. If you want to turn it off, you must turn the switch to the on position, and then back to the off position.
No, you do not have to.
Pull the plug.
You need to turn off your wireless gamepad so that your battery is not consumed at a faster rate.
It's on the side of the 3ds, the opposite side to the wireless setting
to turn off the wireless signal, you only need to unplug the router. if that is no good for your purposes, go to www.whatismyip.com and type the IP it gives you into your address bar. this redirects you to the router setup, where you may be able to turn the wireless signal off
On the home menu, a little globe icon in the upper-right corner will be there. Click on it and it will launch the 3DS Internet Browser. Your wireless has to be on and you need a wireless broadband connection in order to access the internet from your 3DS. There are wireless hotspots in many places around the US which are free to use for 3DS owners.
You will have to perform a system update, then yes, it does (as long as you have a wireless connection that the 3DS can connect to).