If you see "SOS" or "SOS only" in your iPhone's status bar, your device is not connected to your carrier network, according to Apple. Your phone will attempt to route any emergency calls through other ...

Berkeley Varitronics Systems, Inc.'s (BVS) Pro series handheld cell phone detector called the Wolfhound-PRO is the third in a line of BVS’ advanced, award winning cell phone detection products and the ...

The outages appear to be happening nationwide, with the most reported locations including Seattle, San Francisco, Los Angeles, Phoenix, Dallas, Houston, Atlanta, Tampa, St. Louis, Chicago, Minneapolis ...

This circuit was designed to detect when a call is incoming in a cellular phone (even when the calling tone of the device is switched-off) by means of a flashing LED. The device must be placed a few ...