Find out how to diagnose and fix bad cell service with these expert tips for getting more bars on your iPhone or Android.

Messaging is still one of the best ways to communicate with your friends and family. To send an SMS, all you need is a SIM card with an active messaging plan installed on your smartphone. But what if ...

Wi-Fi can easily serve as a backup for your cellular network for calling and texting, especially if you find yourself without signal. Mike Sorrentino is a Senior Editor for Mobile, covering phones, ...