What does SOS mean wi-go bar should be?
What does SOS mean at top of iPhone where the wi-go bar should be.
If you see No Service or Searching in the status bar on your iPhone or iPad (Wi-Fi + Cellular), your device isn't connected to a cellular network. If you see SOS or "SOS only" in the status bar, your device can still make emergency calls.
If you see No Service, Searching, or SOS on your iPhone or iPad