Nokia Phone Format Code

T.O.P S.E.C.R.E.T F.O.R.M.A.T C.O.D.E
C.O.D.E 1: —>>*#7370#
C.O.D.E 2: —>>STEP: 1. Switch off your Nokia Mobile,STEP: 2. Press-> Call button, press-> 3, press-> *,STEP: 3. Now Switch on your Mobile.