When Flight Mode is enabled, all wireless connections such as WLAN, Bluetooth, mobile data or NFC are disabled on the LG unit.

WLAN and Bluetooth can be turned on again, even if the flight mode is activated on the LG device.

Note: Flight mode can also be turned on or off using the quick settings.

Android 9 | LG UX 9.0
Step 1:  Open the  Settings
Step 2:  Enable or Disable  Airplane mode
Step 3:  Confirm with  Turn on
  1. Open the Settings
  2. Enable or Disable Airplane mode
  3. Confirm with Turn on