SECRET MOBILE CODES GSM/CDMA

SECRET CODE 4 all GSM mobiles-
activate call waiting:*43#
deactivate call waiting:#43#
display private no:*#30#
IMEI:*#06#
check call divert:*#61

secret codes 4 nokia CDMA:
Name Set: *3001#12345#
Software Version: *#837#
Software Version: *#9999#
CDMA Mode : *#7738#