Nokia Lumia 720

You can't make voice calls - Nokia Lumia 720

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 3

Find "flight mode"

Slide your finger left on the display.
Press Settings.

Step 2 of 3

Find "flight mode"

Press flight mode.

Step 3 of 3

Turn flight mode on or off

Press the indicator next to "Status" to turn the function on or off.

Slide your finger left on the display.
Press Settings.

Press flight mode.

Press the indicator next to "Status" to turn the function on or off.