Yes you can, but you cannot text or make phone calls. You can still surf the web if your iPhone is connected to Wifi. It is basically a iTouch with a camera. If you have a BlackBerry or any other mobile device without a service provider then you can't really do anything.
buy 1471 from your phone provider, quite cheap.
In order to buy a hosted phone system, one would have to find a service provider who offers this service. They can be purchased from the service provider who will also charge for the monthly bill.
You can usually buy phone insurance from your service provider for a monthly fee added to your phone bill.
form_title=Find a New Mobile Phone Provider form_header=Explore your options with a new cell phone provider. Do you currently have a cell phone?= () Yes () No Would you like to buy a smartphone?= () Yes () No What type of plan do you want?= () Contract () Pay as you go
Either contact your service provider - or just buy a new one.
If you buy a smartphone from a provider, the chances that it's not unlocked are high. This means that you cannot use a simcard from a different provider in your phone. It can be handy to have a unlocked phone when you change providers or when you want to sell your phone.
I believe you can get it through your cell phone provider at a reasonable price. If not, you can check amazon.com for their prices. But I am pretty sure that your cell phone or tablet provider would be your best option.
No, manufactorers of phones program the phone for each company. You cannot take a phone from one provider to another.
A cellular phone, no matter what the provider, requires a SIM cart to be operational. Your provider may be able to give you a new SIM Card for the phone, if it is unlocked to work with that network.
The provider
You will have to go to the service provider and ask them to activate the phone. They will usually charge a fee , about $20, to activate a phone you did not buy directly from them.
You can buy a one touch cell phone with an unlocked sim card , trying Ebay would be your best bet .