Some Useful GSM Codes.

GSM CODES
.HOW TO KNOW ORIGINAL PHONE AND A FAKE PHONE:
Before you buy a new phone dial*#06# ,it will display the serial number or IMEI number which must be 15 digits and must begin with 35. Now check whether the number displayed is the same with the number on the battery base. If it's original the numbers would be the same, if fake the numbers wouldbe different. You can check your phone right now to know whether you are using original phone or fake phone.
:
IMEI number *#06#
Software version *#0000#
SIM lock info *#92702689#
Enhanced full rate *3370#
Enhanced half rate *4720#
OFF #3370#
To know the manufactring date dial*#0000#
ALCATEL:
IMEI number *#06#
Net monitor *#0000#
BOSCH:
IMEI number *#06#
Default language *#0000#
Net monitor *3262255*8378#
MOTOROLA:
IMEI number *#06#
Net monitor ON ***113*1*
Net monitor OFF ***113*2*
To know manufacturing date dial#02# . Dont send. Only available onC117,C115,C116,C118,C119,C126.
PHILIPS:
IMEI number *#06#
SIM lock info *#8377#
Security code *#1234# OR*#7489#
SAMSUNG:
IMEI number *#06#
Software version *#9999# OR*#0837#
SIM lock info *0324#
Changing LCD contrast #0523#
Memory information *0377#
Reset memory (SIM lock revovery)*2767*3855#
Battery state *9998*228#
Alarm beeper *998*289#
Vibra test *#9987*842#