Secret codes for Samsung phones:
Input them using a dialer, in the same way as when inputting a phone number.
*#06# > IMEI,
*2767*5282# > reset Millet's Java,
*2767*63342# > reset data (ring tones, photos, music and videos etc.),
*2767*927# > reset WAP,
*#9998*782# > date and time of when the alarm clock will ring,
*#8999*638# > info about the network,
*#9998*5646# > change the operator logo (the one that shows when you turn on the phone),
*#9998*76# > manufacturing number,
*#9998*968# > list of alarm sounds,
*#9998*585# > phone's permanent memory,
*#3243948# > Digital Audio Interference Off,
*#32436837# > Digital Audio Interference On,
*#9999# > software version,
*#0837# > firmware versions (instructions),
*#0001# > phone's parameters,
*#9125# > enables additional options when charging,
*#9998*228# > battery status (temperature, voltage, capacity),
*#9998*246# > program status,
*#9998*324# > debug screens,
*#9998*4357# > Help menu,
*#9998*5282# > Java menu (CSD/GRPS settings for JAVA server),
*#9999#0# > Net monitor,
*#9998*427# > Trace Watchdog,
*#9998*544# > detection jig,
*#9998*636# > information about the memory,
*#9998*785# > shows RTK errors (Run Time Kernel),
*#9998*786# > date of the last time the phone was turned on and off,
*#9998*837# > software version,
*#9998*872# > diagnostic mode,
*#9998*947# > reset,
*#9998*999# > Last/Chk,
*#9998*9266# > Yann debug screen,
*#9998*9999# > software version,
*2767*2878# > reset selected areas of EEPROM,
*2767*3855# > Full EEPROM reset,
*#9999# or *#9998*9999# > software version,
*#8888# or *#9998*8888# > show hardware version,
*#9998*377# or *#9998*0377# > error log,
*#9998*746# or *#9998*0746# or *#0746# > SIM Information,
*#9998*523# or *#9998*0523# or *#0523# > set LCD contrast,
*#9998*842# or *#9998*0842# or *#0842# > vibrates as long as OK is pressed,
*#9998*289# or *#9998*0289# or *#0289# > buzzes as long as OK is pressed,
*#9998*288# or *#9998*0288# or *#0288# > battery information,
*#9998*778# or *#9998*0778# or *#0778# > Table SIM service.