Best unlocked smartphones don't tie you down
Whether you're a globe-trotter or just don't like to be tied down, unlocked smartphones offer a sense of freedom. Because they aren't limited to working on a specific carrier, you can buy a SIM card, stick it in your device and be on your way. Here are some of CNET's favorite handsets that you can purchase and use wherever you go. 2014 CBS Interactive Inc., a CBS Company. All rights reserved. Used by permission.