Software version and secret menu code dial *#9999# and send
For continues vibration dial *#9998842# send
For correct dark screen dial *#0523#
For Net Monitor fault detector *#0324# and send
For Samsung Phone Unlocking code dial 0000 (fourzeros). For memory search dial *#0377# or dial #0246 send
For IME code *#06#
For Samsung voltage battery and wheather Temperature *#0228# Regulate high temperature.
Solving barring problem dial #330*000#ok
Universal code for cancelling voice mail ##002# and send. Samsung unlock code *#2767*2878#
For Nokia readNokia fault detecting and fixing codes
