If you are searching for Samsung Galaxy S3 Secret Codes you have came to the right place. Here you can find all possible secret codes of your Galaxy S3 Smartphone. This codes are compatible on all S3 variants like Samsung I9305 Galaxy S III, Samsung I9300 Galaxy S III, Samsung I8190 Galaxy S III mini and Samsung I9300I Galaxy S3 Neo.

Before proceeding further please check the below screenshot to get an idea about how to enter these codes to your Galaxy S3

So just type the code to your normal dialling keypad, that’s it the code will just execute.

All Secret Codes of Samsung Galaxy S3

check GCF Configuration of : *#4238378#
check Audio Loopback Control of : *#0283#
check GPS Control Menu of : *#1575#
check LBS Test Mode of : *#3214789650#
check IMEI number of : *#06#
check BLUETOOTH Test mode of : #*3888# or *#232331#
check Task screen of : #*7828#
check Java Version of : *#5282837#
check Bluetooth MAC Address of : *#232337#
check WLAN MAC Address of : *#232338#
check WLAN Test Mode of : *#232339#
enter LCD Test Menu of : *#0*#
check LCD Brightness of : *#8999*523#
enter Test Menu of : *#8999*8378#
check Vibra Motor Test Mode of : *#0842#
check Real Time Clock Test of : *#0782#
check Audio Test Mode of : *#0673#
check General Test Mode of : *#0*#
check RF Band Selection/Network modes select of : *#2263#
check Diagnostic Configuration of : *#9090#
check USB I2C Mode Control of : *#7284#
check USB Logging Control of : *#872564#
check RIL Dump Menu of : *#745#
check Debug Dump Menu of : *#746#
enable/disable Disabling Fast Dormancy of : *#9900#
check Software Version of : *#44336#
check Melody Test Mode of : *#0289#
Update TSP/TSK Firmware of : *#2663#
check NAND Flash S/N of : *#03#
enter Light Sensor Test Mode of : *#0589#
enter Proximity Sensor Test Mode of : *#0588#
check Data Create Menu of : *#273283*255*3282*#
Data Create SD Card of : *#273283*255*663282*#
check Data Usage Status of : *#3282*727336*#
Remap Shutdown to End Call TSK of : *#7594#
Camera Firmware Update of : *#34971539#
check WLAN Engineering Mode of : *#526# or *#528#
check Camera Firmware Menu of : *#7412365#
check Test History of : *#07#
check GCF Mode Status of : *#3214789#
check Auto Answer Selection of : *#272886#
enter OTA Update Menu of : *#8736364#
enter HSDPA/HSUPA Control Menu check of : *#301279#
check of : *#7353# Quick Test Menu
check Sellout SMS/PCODE view of : #7465625*782*#
Insert Network Lock Keycode SP of : *7465625*77*#
Insert Operator Lock Keycode of : #7465625*77*#
Insert Network Lock Keycode NSP/CP of : *7465625*27*#
Insert Content Provider Keycode of : #7465625*27*#
check Sellout SMS/PCODE view : *2767*4387264636#
View Phone Lock Status of : *#7465625#
Configure Network Lock MCC/MNC of : *7465625*638*#
Insert Network Lock Keycode of : #7465625*638*#
Configure Network Lock NSP of : *7465625*782*#
check Buyer or CSC of : *#272*IMEI#
Factory Data Reset : *#*#7780#*#*
check Software and Hardware information, PDA, CSC, MODEM (Firmware Version) of : *#1234#
check hardware version of : *#2222#
check user statistics and Phone Info of : *#*#4636#*#*
check GSM status information of : *#0011#
Factory Reset : *#7780#
Full Factory Reset : *2767*3855# (no confirm, will just execute the code )
check of hardware and software : *#12580*369#
check hardware and software version of : #*#8377466#
Restart : #*2562# or #*3849# or #*3851# or #*3876#
Delete All SMS of : #*5376#
enter Service Mode of : *#197328640#
enter Service mode (Ciphering Info) of Battery status (ADC, RSSI reading) : *#0228#
check Call List of : *#2255#