*#06# Shows IMEI number
*#9999# Show software version
*#0001# Display RS232 serial communication parameter setup
*#8999*228# Display battery capacity and temperature / voltage
*#8999*523# Adjust display contrast
*#8999*636# Display storage capacity
*#8999*778# Display SIM card information
*#8999*324# The network checkout (engineering model)
*#8999*289# Ringtone test
*#8999*364# Display Watchdog state
*#8999*427# WATCHDOG signal route setup
*#8999*842# Vibrate test
*#8999*782# Show date and alarm clock
*#8999*246# Show the memory capacity
*#8999*786# The display during warning
*#8999*837# Samsung hardware version
*#8999*377# Software error LOG (wrong display of EEPROM)
*#8999*638# Show network information
MOTOROLA Security code:
32*118*1*0*0
model:32*279*1*0*8
master reset: 18*0
master clear:18*1
user code:32*116*1*0*0
read imei:32*4*1*0
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#