Flight.mode; Airplane Mode - Zte Z331 User Manual

Fixed Dial Numbers
If.you.enable.fixed.dial.numbers,.you.cannot.dial.phone.numbers.that.are.not.in.
the.FDN.list.
FDN List
Allows.you.to.create.a.list.of.fixed.dial.numbers.

Airplane Mode

From.idle.mode,.select.Menu.>.Settings.>.Airplane mode.to.switch.on/off.
airplane.mode.
Settings 59