What is the purpose of Airplane mode?

What happens when you don't switch to Airplane mode? Here is why airlines ask you to put your phone in Airplane mode during a flight.

Airplane Mode Secret Tricks You Must Know

Say goodbye to Airplane Mode in the EU: Airlines set to introduce 5G on flights - SoyaCincau

You could be charged hundreds of pounds if you don't put your phone on airplane mode during a flight – The Sun

What Is Airplane Mode on iPhone? Everything You Need to Know

Choose iPhone settings for travel – Apple Support (MY)

How to keep Mobile Data on in Airplane Mode - Smartprix Bytes

Why Am I Still Receiving Calls and SMS on Airplane Mode?

What is Airplane Mode? Everything you need to know - Android Authority

Turning on airplane mode can help phone charge faster

ELI5: What does airplane mode do and why is it so important? : r/explainlikeimfive

What is airplane mode and why should you use it?