Your cellphone will blare Wednesday afternoon to alert you of a national emergency – but don't worry, it's only a test. The Federal Emergency Management Agency and Federal Communications Commission ...

An emergency test alert will go out to cell phones nationwide Wednesday morning, the San Luis Obispo County Office of Emergency Services said in a social media post. But you need to turn on a special ...

Certain smartphone features such as battery saver, “focus mode” or “do not disturb” may change how alerts are delivered. The Food and Drug Administration (FDA) has issued a safety communication ...