Samsung Galaxy S4

You can't make voice calls - Samsung Galaxy S4

Cause 2 of 9: Flight mode is turned on

If flight mode is turned on, you can't make or receive calls.

Solution: Turn off flight mode.

Step 1 of 2

Turn flight mode on or off

Slide your finger down the display starting from the top edge of your phone.
Press Flight mode.

Step 2 of 2

Turn flight mode on or off

Press OK.
Depending on the current setting, flight mode is turned on or off.

Slide your finger down the display starting from the top edge of your phone.
Press Flight mode.

Press OK.
Depending on the current setting, flight mode is turned on or off.