Apple I phone 4S locked to three £100

Description:

Hi for sale or Swapz is an Iphone 4S locked to three network, everything works fine apart from the wifi it is intermittent and sometimes does connect to my wifi other times it doesn't. Battery holds a good charge and lasts for a day with a lot of use. comes in original box with sim key and charger.
£100 or swap tell me what you've got.