mobile phone up the north

[doll]

Does anyone know if i can buy a pay as you go phone up the north and use it down here? i seen a motorolla phone with orange, with which there is a shop in newry that i was going to purchase, i am with o2 at the moment, how would i top up, is this at all possible? or can i just buy the phone itself from them?
thanks a million

 

[vandriver]

You could buy a rtg phone in the north but every call you make in the south will be at a high roaming rate and will soon wipe out any savings on the purchase price.Also if the phone is sold connected to a network it will be sim locked to that network.