[Latifkhan75]

(1) hold *+Power Button, (2) hold *+#, (3) hold 0+1,

(4) hold 0+2, (5) hold 2+5, (6) hold send key,

(7) hold Press 3, (8) hold 0 key + Power key,

(9) hold send key + 3


first of all check call button