KODE RAHASIA GSM

SONY ERICSSON 

*#06# Display imei 

<**< Lock menu 

>*<<*<* Service HP 

NOKIA 

*#06# Display imei 

*#0000# Shows software version 

*#746025625# shows if your phione support sim lock stopping 

*92702689# Display varius info , repair date, purchase date, etc 

*3370# Activates enhanced full rate 

#3370# Deactives enhanced full rate 

*4370# Actives enhanced half rate 

*#2820#Bluetootch information 

*#7220#Enables GPRS pccch 

*#67705646# Clear operator logo on some versions of 3310 and 3330 

*# 7370#software reset (beware your data will be lost ) 

SIEMENS

*#06# Display imei 

*#06# then press left long button Display software info SP unlock 

*#0003* ( secret code 8 digits ) 

# *#0000# then the green button Reset language to automatic selection