Q[Switch] How can I stop all wireless communications? (Airplane Mode settings)
Turn Airplane Mode on to stop all wireless communications from your console, including any wireless Internet connection and wireless controller links.
How to turn on Airplane Mode
1. Select "System Settings" from the HOME Menu.
2. Select "Airplane Mode".
3. Press the A Button to turn "Airplane Mode" on and disable all wireless communications.
When Airplane Mode is on, an aeroplane icon is shown at the top-right of the HOME Menu.
You can individually configure which features (controller connections, Wi-Fi, NFC) can still be used when Airplane Mode is on.
Airplane Mode can be turned on/off via Quick Settings (accessed by holding the HOME Button).