Wirelessly posted (Mozilla/5.0 (iPhone; U; CPU iPhone OS 4_0 like Mac OS X; en-us) AppleWebKit/532.9 (KHTML, like Gecko) Version/4.0.5 Mobile/8A293 Safari/6531.22.7)
Take it out of the phone. It would be of no use to the person buying. He/she will be able to get a free one by calling their phone company, or they will probably put their own SIM in it.