i phone 3gs 16gb on orange -

hi here i have a iphone 3gs 16 g white in average condition for age all in good working order has tomtom installed has a crack near the charging port as usuall screen has few scratches but has screen protector on it there is a sligh gap near the volume button it on orange i bought it for £160 but when i bought it i was told its on 02 but unfortunetly its on orange and its no good to me i ahve tryed orange sim in it and it works perfectuly fine any question you can cal or txt 07933323223 i would like £130 ono reasonable offers will be accpeted no time wasters plz these fones are going on ebay £150 plus