Verifica si hay un ícono de avión en la barra de estado. If you don't see the airplane icon and instead see signal bars, you are not in airplane mode. Usa la siguiente solución.
If you see an airplane icon, turn off airplane mode by tapping Settings from the home screen.
Tap or slide the Airplane Mode switch to OFF.
You can also turn Airplane mode on and off through the Control Center.
¡Completaste los pasos!
