Flight mode switches off all radio connections on the Oppo-Smartphone, such as network, WLAN, Bluetooth or even NFC. If flight mode is activated, the individual functions can be reactivated. If flight mode is deactivated, the previously set settings are reloaded.

Note: The flight mode can also be switched on or off via the quick settings.

Android 10 (ColorOS 7.0)
Step 1:  Open the  Settings
Step 2:  Enable or Disable  Airplane mode
  1. Open the Settings
  2. Enable or Disable Airplane mode