iphone 4s white 1 week old sim free *

white iphone 4s 16gb.. bought from apple so already sim free bought as i thought i liked now i dont and going back to my blackberry approx one week old have receipt so you will have warrenty if any problem was to arise.. boxed acc not a mark on it just dont like it...only used for a day or 2....i will not swap as still have my bb thanks...only thing u will need is amicrosim but most shops will give u them free