Model : Nec N342i



1 - Switch ON your phone without SIM Card,

2 - Compose : **00012*CODE#.



Model : All others NEC



1 - Switch ON your phone without SIM Card,

2 - Compose : #7320*CODE#.



Model : old NEC



1 - Switch ON your phone without SIM Card,

2 - Compose : #3210*CODE# and press Call Button.