The simple answer is - you can't ! ALL phones need to be able to identify themselves to the network. This is done either by a removable SIM card, or an embedded SIM module.
a big one
how do i use htc desire front camera
A standard sim, so no microsim like with the iphone 4. Just see if your device is not carrier locked, in that case you need a simcard from that specific carrier
if you got a 3g gophone simcard, then sure
All you need to do is get a 3G simcard!
yes but you need to make sure the phone is unlocked so it will be able to work with any simcard
Android.
no
Not unless you get the virgin media phone unlocked.
no
You may be able to use it in this phone, the only way to find out is to try it.
mobile