Pocket a little marvel with the Apple iPhone 8, which comes in a stylish space grey and uses the O2 network. This phone has a highly practical 4.7 inch screen that offers a great balance between compactness and spaciousness. The 12-megapixel camera on the iPhone produces superb photographs, while the 4G, Bluetooth, and Wi-Fi support means a great deal of flexibility in how you use it on the move. This device is also compatible with Vodafone, EE, Three Carriers.