Samsung Galaxy S Secret Code
*#*#7780#*#* for factory data reset
*#*#197328640#*#* service mode
*#3214789650# gps service menu for JP3 fw
*#*#1472365#*#* gps test
*#*#7594#*#* change the "Power" button action in your phone.
*#*#0*#*#* screen test menu
*#197238640# service mode
*#7465625# engineering mode
*2767*3855# FACTORY DATA WIPE AND internal SD RESET as soon as you enter # use only if you want wipe your phone
*#0*# testing mode
*#*#34971539#*#* for information about phone camera (be very careful hitting options here)
*#9900# Sysdump screen.. some sort of way to dump ram and other logs to sd card
*#*#4636#*#* for battery and other general setttings like GSM/CDMA
*#1234# display phones current firmware
*#*#8255#*#* for Gtalk service monitor
*#0011# network mode/cell info/power info
*#*#273283*255*663282*#*#* Opens a File copy screen where you can backup your media files
