If you're looking for a new 4-inch iPhone, the iPhone 5S is no longer the best model you can buy. On March 21 Apple revealed the iPhone SE a response to the people who still want a smaller iPhone. It's a seriously good piece of kit and if you have the money to shell out on a relatively pricey contract, it could be the perfect upgrade.
First, there's the latest Apple A9 processor that you'll find in both the flagship devices, which should improve performance significantly.
