OPPO A57 4G

Android 12.0

I can't make voice calls on my OPPO A57 4G Android 12.0

Cause 2 of 12: Flight mode is turned on

When flight mode is turned on, all wireless connections on the phone are turned off, including the connection to the mobile network.

Step 1 of 3

Turn flight mode on or off

Slide two fingers downwards starting from the top of the screen.

Step 2 of 3

Turn flight mode on or off

Press the flight mode icon to turn the function on or off.

Step 3 of 3

Return to the home screen

Press the Home key to return to the home screen.

Slide two fingers downwards starting from the top of the screen.

Press the flight mode icon to turn the function on or off.

Press the Home key to return to the home screen.