There are many reasons that you may have for wanting to unlock your mobile phone and the good news is, it’s now easy and perfectly legal. Unless your handset was purchased in the US after January 26, 2013, there is nothing holding you back. Maybe you want to make calls much cheaper when you’re on holiday, in which case, unlocking your phone and replacing the contract SIM with a local one could save a lot of money. It may be that you want to sell the phone on ...