am looking to buy a white iphone4s has to be unlocked or on vodafone and b pay as u go +

Am looking to buy a white iPhone4s has to be good condition and be unlocked or Vodafone and have warranty under it and prove of purpose looking to pay 300 for one getting my phone sold tonight so will have money tonight and maybe meet me or deliver it to me thank u number is 07557900964 text only no phone calls thanks