We will be a party of three and will each want to get SIM cards for our phone, primarily to get Internet access and possibly to make a phone call if necessary (probably will not be). Can one get a SIM card at the airport in Shannon? Is it just a matter of inserting the SIM into the phone or is there anything else that needs to be done to get things working? I'm not very knowledgeable about these things.
Thanks -
george