Many Verizon customers are experiencing a major outage on Wednesday, disrupting calling and cellular services across the U.S.

When iPhones aren’t connected to a cellular network, they will typically alert the user by giving an indication in the ...

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 ...

If SOS is showing up on your iPhone's status bar, it means there's no cellular connectivity for your phone. Here are two ...