If you dont want to stick with the same network then opt for pay as you go deals
. In this you done need to pay hefty bills , you only need to recharge your credit account with different top ups. It is best for students, teenagers, and for those who travels a lot. You can also check the amount you spend on your calls. You can switch to any other network anywhere and at any time. For this you dont need to sign any contract like you do in contract deal.In sim free deal you are free to select handset and network individually according to your wish. Internet is the right way to get the best mobile phone deal.