Have you noticed a disturbance in your cellular service? You're not alone.

Many iPhone users with Verizon reported Wednesday that their phones were in "SOS mode." Here's what that means for you.

Are you seeing a strange message on your iPhone that reads SOS? Here's what that message means, per Apple. What does it mean when your iPhone says SOS? Apple Support says if you see "No Service" or ...

If SOS is showing up on your iPhone's status bar, it means there's no cellular connectivity for your phone. Here are two quick ways to troubleshoot the problem if you think you should have a cellular ...