Samsung Galaxy S4 Secret Codes 1234567*#0*# - Testing mode *#06# - Show the IMEI number of your phone *2767*4387264636# - show the product code *#32489# - Service mode *#0011# - Service Menu *#0228# - Battery status (ADC, RSSI reading) # 7353 # - Quick test menu)Software,Hardware and Network Secret Codes 1- *#*#3264#*#* - Show RAM version 2- * #1234# - Check software version of phone. 3- *#12580*369# - Check the software and hardware information. 4- *#*#273283*255*663282*#*#* - Opens a file twice network 5- *#0011# - Service mode: signal status 6- *#*#1575#*#* - Service mode: GPS test Samsung Galaxy S4 Secret Codes, Galaxy S4 mini Secret Codes, Galaxy S4 Zoom Secr et Codes, Galaxy S4 Active Secret Numbers, Galaxy S4 Format Secret Codes, Galaxy S4 Reset Codes7- *#*#232338#*#* - Show MAC address of WiFi 8- *#*#232331#*#* - Bluetooth test 9- *#*#232337#*# - Show Bluetooth device address 10- *#3214789650# - Enter AngryGPS configuration 11- *#*#8255#*#* - Gtalk service monitor galaxy s 12- *#*#1472365#*#* - GPS test plus Camera, Touch and Disply Secret Codes 1- *#*#34971539#*#* - Camera firmware info and update. 2- # 34971539 # - Camera Firmware Standard 3- # 7412365 # - Camera Firmware Standard, phone / CAM FW Ver Check 4- # 2663 # - TSP / Touch key / SensorHub Firmware version 5- *#*#2663#*#* - Touch screen firmware version and update Samsung Galaxy S4 Reset Codes 1- *#7780# - Factory Data Reset2- *2767*3855# - Factory Format WARNING! IT WILL REMOVE ALL OF YOUR DATA WITHO UT ANY CONFIRMATION, SO BE CAREFUL WITH THIS CODE! 3- *#*#7780#*#* -Factory data soft master Reset 4- *2767*2878# - Current firmware with factory default settings