Only if you go over your monthly allowance. Anything used over your allowance will be itemised and charged.
No, wifi uses the internet in your house, school, or where ever you are. You won't be charged for data from your cell phone provider.
A wifi phone is just a phone that can use wifi. You would connect it to a wifi network to get a better signal for faster web browsing than a cell tower.
This is a two sided answer.To brodcast your own WiFi from your phone (mobile hotspot):Yes. Verizon and AT&T charge to use a mobile hotspot broadcast feature on your phoneTo use your home WiFi network:There is no fee other than your month to month charge for Internet usage.
If your phone is wifi capable, yes.
you don't wifi is already in the phone
A prepay phone can connect to a wifi signal as long as it has a wifi receiver and there is an available wifi network within close proximity to the phone.
You can't "make" your cellphone have WiFi capablity unless it came with it. Smartphones are the only phone that have WiFi capablity most of the time. If you want wifi, get a smartphone.
No you can just use it with normal Internet access via your mobile phone providers network, normally on a data plan.
One can buy a reasonably priced WiFi cell phone plan from 3 Mobile phone operator. However, this phone operator does not offer high quality services for Internet applications that require high data transfer. The main advantage is that the packages are reasonably priced for regular mobile Internet usage.
Data usage pertains to internet usage. Data can be affected by multi media messages with pitcures or videos, GPS, downloading apps, uploading to Facebook, as well as surfing the web.
Yes, WiFi does waste your phone's battery. It is wise to turn off WiFi on your phone to prolong its battery life, particularly when you are not able to charge it.
Unless you can find room in the phone to add an wifi card and can hack the software to make it compatible, no.