How to sell my iPhone 4

Have you recently upgraded to an iPhone 5? What are you going to do with your old iPhone 4? Why not turn it into cash! The sooner you sell it, the more money you will get. Mazuma Mobile are the UK's leading mobile phone recycler and have paid out over £155 million to over 2 million happy customers. Mazuma is ranked No.1 by Trustpilot (an…