AT&T allows prepaid customers to sign up for AutoPay, which is a program that automatically refills your AT&T SIM with a monthly credit. This plan is a great option for those who want to avoid a ...

Samuel has spent years writing about mobile carriers and their networks following a stint working as a technician in a carrier phone store. Whether it's helping people avoid 36-month payment plans, or ...

AT&T's no-contract wireless service Aio is preparing to stretch its legs next month following an initial launch in a handful of markets earlier this year. The service will be available to all US ...

Just book your dream vacation overseas? The next step is to avoid costly roaming fees by getting an affordable international sim card for traveling. When traveling overseas, it’s critical to have a ...

Using your cell phone overseas isn't cheap. This edition of Ask Maggie offers some advice to help keep the costs down. Marguerite Reardon started as a CNET News reporter in 2004, covering cellphone ...