Samsung Galaxy Secret Code
*#06# (Display IMEI number) *#1234# (Display current firmware) *#*#4636#*#* (Diagnostic and general settings mode) *#*#7780#*#* (Factory soft reset) or *#7780# *2767*3855# (Factory hard reset to ROM firmware default settings) *2767*4387264636# (To display product code) *#272*imei#* (Display/change CSC code) or *#272*HHMM#* *#*#1472365#*#* (GPS test settings) *#*#197328640#*#* (Service mode main menu) *#12580*369# (SW & HW Info) *#232337# (Bluetooth Address) *#232331# (Bluetooth Test Mode) *#232338# (WLAN MAC Address) *#0228# (ADC Reading) *#32489# (Ciphering Info) *#2263# (RF Band Selection) *#9090# (Diagnostic ConfiguratioN) *#7284# (USB I2C Mode Control) *#232339# (WLAN Test Mode) *#0842# (Vibra Motor Test Mode) *#0782# (Real Time Clock Test) *#0673# (Audio Test Mode) *#0*# (General Test Mode) *#872564# (USB Logging Control) *#4238378# (GCF Configuration) *#0283# (Audio Loopback Control)