Even when you can't get a signal, you can still call and text on your Android phone with WiFi calling. Here's how to easily set it up on your phone.

Even when you can't get a cell phone signal, you can still call and text on your iPhone with WiFi calling. Here's how to easily set it up on your iPhone.

Wi-Fi can easily serve as a backup for your cellular network for calling and texting, especially if you find yourself without signal.

Cellular coverage still isn't perfect—there are still plenty of times you might find yourself losing a call or unable to make the call in the first place. That's where wifi calling comes in.

Your Android phone has a lot of messaging capabilities, but did you know there are ways to send messages without a cell signal? Here's what you need to know.