Android secret codes are numeric or symbolic sequences entered in your dialer application that let you to access manufacturers’ secret menus hidden. Before Android operating system came out, secret codes were already available on other platforms. You can remember Nokia that offered some secret codes on their Symbian smartphones.

Service Mode With Samsung device
Be careful by using the following secret codes because some of them can have serious effects on your smartphone !

The following codes are common to all Android smartphones regardless manufacturers. However, if you note that some are unavailable for your smartphones, don’t hesitate to leave a comment to tell me.

*#*#4636#*#* – Display information about Phone, Battery and Usage statistics
*#*#7780#*#* – Resetting your phone to factory state-Only deletes application data and applications
*2767*3855# – It’s a complete wiping of your mobile also it reinstalls the phones firmware
*#*#34971539#*#* – Shows completes information about the camera
*#*#7594#*#* – Changing the power button behavior-Enables direct poweroff once the code enabled
*#*#273283*255*663282*#*#* – For a quick backup to all your media files
*#*#197328640#*#* – Enabling test mode for service activity
*#*#232339#*#* OR *#*#526#*#* – Wireless Lan Tests
*#*#232338#*#* – Displays Wi-Fi Mac-address
*#*#1472365#*#* – For a quick GPS test
*#*#1575#*#* – A Different type GPS test
*#*#0283#*#*- Packet Loopback test
*#*#0*#*#* – LCD display test
*#*#0673#*#* OR *#*#0289#*#* – Audio test
*#*#0842#*#* – Vibration and Backlight test
*#*#2663#*#* – Displays touch-screen version
*#*#2664#*#* – Touch-Screen test
*#*#0588#*#* – Proximity sensor test
*#*#3264#*#* – Ram version
*#*#232331#*#* – Bluetooth test
*#*#7262626#*#* – Field test
*#*#232337#*# – Displays bluetooth device address
*#*#8255#*#* – For Google Talk service monitoring
*#*#4986*2650468#*#* – PDA, Phone, Hardware, RF Call Date firmware info
*#*#1234#*#* – PDA and Phone firmware info
*#*#1111#*#* – FTA Software version
*#*#2222#*#* – FTA Hardware verion
*#*#44336#*#* – Displays Build time and change list number
*#06# – Displsys IMEI number
*#*#8351#*#* – Enables voice dialing logging mode
*#*#8350#*#* – Disables voice dialing logging mode
##778 (+call) – Brings up Epst menu

 

Some manufacturers have also added their own secret codes. Let’s start by Samsung special secret codes list :

*#1234# – to check software version of phone.
*#12580*369# – to check software and hardware information.
*#0228# – Battery status (ADC, RSSI reading)
*#0011# – Service Menu
*#0283# – loopback test
*#06# – imei
*#03# – nandflashheaderread
*#0808# – usb service
*#9090# – service mode
*#7284# – FactoryKeystring
*#34971539# – camera firmware standard
*#1111# – servicemode
*#0*# – Testmodus

 

For LG, you can access their Diagnostic Test Menu depending your cell operator :

For AT&T – 3845#*850#
For Sprint – 5689#*990#
For T-Mobile – 3845#*851#
For Verizon – ##228378
For International Variants – 3845#*855#

 

HTC has also some secret codes available :

*#*#3424#*#* – HTC function test Program.
*#*#4636#*#* – HTC Info menu
*#*#8255#*#* – launching GTalk Service Monitor
##3424# – Diagnostic mode.
##3282# – for EPST.
##8626337# – for VOCODER
##33284# – Field trial menu.
##786# – Reverse Logistics Support.
##7738# – Protocol Revision.
##775# – Unknown
##2539# – Unknown

 

Google has also provided some specific secret codes only available for Nexus 5 :

*#*#786#*#* – Hard Reset
*#*#7873778#*#* or *#*#1234#*#* – Launch Superuser
*#123# – Home Network Information
*#*#2432546#*#* – Check System Updates

 

Last but not the least, be careful by using these secret codes and don’t hesitate to comment to fix secret codes unavailable for specific smartphones.