Wi-Fi,because the internet goes faster,and it saves more battery time.
Yes, but 3G gives very wide coverage, as it's a cellphone technology.
For wi-fi, you have to find hot spots, and you have to have a username and password to access secure hot spots.
Hot spot range is typically only tens to max of a hundred metres, or maybe only a floor/ few rooms in a building.
Wifi is almost always faster but it can depend on the wifi speed
Only if your 3G signal is on. If your 3G and wifi signal are both on and if your within wifi, it will use the wifi signal (connection) first.
There are 2 different models one with only WiFi for $249.99 and one with 3G and WiFi for $299.99. The early release bundle has a PS Vita with 3G and WiFi and was $349.99 with some bonus items
No. 3g is the use of advanced cellular satellites which enable us to have quicker internet speeds whilst on the move. you do not need 3g when using wifi as wifi is superior.
yes, it does just in case you can not get 3G connected right away
iPad2 comes with two models. One with wifi and another with wifi+3G. iPad2 wifi model can connect to Internet via wifi. Another version have two options. If you are in home with wifi you can connect to it. When you are outside, say at friends home where he don't have wifi, you can use 3G service. For 3G service you need authentic SIM card with 3G service enabled on it.
no it is no but wifi is
The best WiFi Data Card with 3G support is the ZTE AW3632.
As the names imply, the 3G/Wifi Model supports 3G, assuming you have it, whereas the Wifi model only supports standard Wifi.
Not all eBook readers or eReaders come with WiFi or even 3G. But some do. Depends on the model and make. Kinldle Paperwhite 3G comes with WiFi and 3G support. Check the link below for a complete list of all the eBook readers with and without WiFi/3G support.
bcoz 3G has better coverage, and is more secure than wifi and other adhoc networks
It is important to have wifi on your phone because it costs money to use the 3G. You may not always have access to the 3G either, and if you don't you might have wifi access.
You are referring to 3G. Yes it is capable of doing everything that WiFi is capable of. You need to get a 3G plan from your service carrier.