Samsung Secrets codes to get firmware version information

*#*#4986*2650468#*#* pda, phone, h/w, rfcalldate
*#*#1234#*#* pda and phone
*#*#1111#*#* fta sw version

*#*#2222#*#* fta hw version
*#*#44336#*#* pda, phone, csc, build time, changelist number
*#272*IMEI# - To change the salescodes and reset the user data