ANDROID SECRET CODES THAT WILL SHOCK YOU

ANDROID SECRET CODES THAT WILL SHOCK YOU

Description Code
Testing Menu *#*#4636#*#*
Display Info about device *#*#4636#*#*
Factory Restore *#*#7780#*#*
Camera Information *#*#34971539#*#*
Completely Wipe device, install stock firmware
*2767*3855#
Backup all media files *#*#273283*255*6
Wireless LAN Test *#*#232339#*#* OR *#*#526#*#*
Change Power button behavior *#*#7594#*#*
Quick GPS Test *#*#1472365#*#*
Test mode for service activity *#*#197328640#*
Wi-Fi Mac Address *#*#232338#*#*
Another GPS test *#*#1575#*#*
Packet Loopback Test *#*#0283#*#*
Audio Test
*#*#0673#*#* OR *#*#0289#*#*
Vibration and Backlight test *#*#0842#*#*
Check touch screen version *#*#2663#*#*
LCD test *#*#0*#*#*
Touch Screen test *#*#2664#*#*
Proximity sensor test *#*#0588#*#*
RAM version *#*#3264#*#*
Bluetooth test *#*#232331#*#*
Field Test *#*#7262626#*#*
Check Bluetooth device address *#*#232337#*#
Google Talk service monitoring
*#*#8255#*#*
PDA, Hardware, Phone and RF Call Date info
*#*#4986*2650468
PDA and Phone firmware check *#*#1234#*#*
FTA hardware version *#*#2222#*#*
FTA software version *#*#1111#*#*
Displays IMEI number *#06#
Enables voice dialing logging mode
*#*#8351#*#*
Disables voice dialing logging mode
*#*#8350#*#*
Brings up Epst menu ##778 +call
Displays Build time and change list number
*#*#44336#*#*
Remove Google account setting *#*#7780#*#*
Reinstall the firmware *2767*3855#
Used to enter into Service mode *#*#197328640#*
Battery Status *#0228#
Data create menu *#273283*255*328
Data usage status *#3282*727336*#
OTA update menu *#8736364#
RF band selection *#2263#
Diagnostic configuration *#9090#
USB 12C mode control *#7284#
USB logging control *#872564#
Debug dump menu *#746#
System dump mode *#9900#
Shows Build time change list number
*#*#44336#*#*
NAND flash serial number *#03#
Real time clock test *#0782#
Light sensor test *#0589#
Quick test menu *#7353#
Execute from Emergency dial screen to unlock PUK code
**05***#

Samsung Secret Codes

Display IMEI number *#06#
Display current firmware *#1234#
Diagnostic and general settings mode
#*#4636#*#*
Factory soft reset *#*#7780#*#*
To display product code *2767*4387264636
GPS test settings *#*#1472365#*#*
Service mode main menu *#*#197328640#*
SW & HW Info *#12580*369#
Bluetooth Address *#232337#
ADC Reading *#0228#
RF Band Selection *#2263#
Ciphering Info *#32489#
Bluetooth Test Mode *#232331#
Diagnostic Configuration *#9090#
WLAN Test Mode *#232339#
Vibration motor test *#0842#
WLAN MAC Address *#232338#
USB I2C Mode Control *#7284#
Audio Test Mode *#0673#
General Test Mode *#0*#
USB Logging Control *#872564#
GCF Configuration *#4238378#
Real Time Clock Test *#0782#
Audio Loopback Control *#0283#
LBS Test Mode *#3214789650#
GPS Control Menu *#1575#
RIL Dump Menu *#745#
Data Create Menu *#273283*255*328
Proximity Sensor Test Mode *#0588#
Camera Firmware Update *#34971539#
Light Sensor Test Mode *#0589#
WLAN Engineering Mode *#526#
Debug Dump Menu *#746#
NAND Flash S/N *#03#
Software Version Info *#44336#
System Dump Mode *#9900#
Data Create SD Card *#273283*255*663
Data Usage Status *#3282*727336*#
TSP / TSK firmware update *#2663#
Remap Shutdown to End Call TSK *#7594#
Camera Firmware Menu
*#7412365# and *#*#34971539#*#*
WLAN Engineering Mode *#528#
Melody Test Mode *#0289#
OTA Update Menu *#8736364#
Test History *#07#
HSDPA/HSUPA Control Menu *#301279#
Quick Test Menu *#7353#
View Phone Lock Status *#7465625#
Auto Answer Selection *#272886#

HTC Secret Codes

Description Codes
Device information program
#*#4636#*#*
Field Test *#*#7262626#*#*
HTC Function Test Program *#*#3424#*#*
Display Software version *#*#1111#*#*
Display hardware version *#*#2222#*#*
Wi-Fi Mac Address *#*#232338#*#*
Bluetooth Mac Address *#*#232337#*#
GPS Test *#*#1472365#*#*
GPS Test 2 *#*#1575#*#*
Bluetooth test *#*#232331#*#*
Display test *#*#0*#*#*
Touch Screen version *#*#2663#*#*
Touch Screen Test *#*#2664#*#*
Debug UI #*#759#*#*
Factory format *2767*3855#
Conclusion
These were some of the most common hidden secret codes for Android devices. I would advise caution while using these codes, though, some of them can be a bit harmful to your device.
Just like always, if you have any questions or problems regarding these codes, feel free to talk to us in the comments.