What happens if someone does not turn airplane mode on a flight

How and when to use Airplane Mode on iPhone - CNET

Do people actually put their phone on airplane mode when flying or do they just ignore the flight attendants? - Quora

Why won't some airlines allow phone usage with airplane mode on while taking off and landing (e.g., AirAsia and Malaysia Airlines)? - Quora

What Happens If You Don't Switch Your Phone to Airplane Mode When

What will happen if mobile phones are not put in flight/switch off mode when on-board? - Quora

Can you use your cell phone on an airplane if it has WIFI? - Quora

What happens if you don't turn on phone's flight mode when flying

What Is Airplane Mode? How Does Airplane Mode Work?

Why mobile phones and electronic devices are put on Airplane mode

How is it possible that airplanes now get WiFi? I thought all electronic devices needed to be on airplane mode. - Quora

Does Airplane Mode Turn Off Your Phone's Location? Here's What to Know

iPhone Airplane mode WiFi still On - WHY iPhone Airplane mode not

What happens when you don't put your phone on airplane mode on an airplane, and you use the wifi? - Quora