Android Mobile Secret Codes

All Android Mobile

*#06# - IMEI (International Mobile Station
Equipment Identity) number - essential in case
your device is stolen and you want to block the
thief from accessing your network
*#*#7594#*#* - Make Power button turn off
your device without displaying menu
*#*#4636#*#* - Display information about
phone, battery, usage and WiFi
*#*#7780#*#* - Factory reset (deletes app data
and apps, not firmware)
*2767*3855# - Complete phone wipe, including
firmware (not to be used lightly!)
*#*#273283*255*663282*#*#* - Back up all
your photos and videos
*#*#1472365#*#* - Test your GPS
*#*#1234#*#* - Display phone firmware and
PDA info
*#*#4636#*#* on
the dialpad.
*#*#232338#*#* - Show WiFi Mac address
*#*#8255#*#* - Access GTalk Service Monitor
*#*#36245#*#* - Access Email debug info Email
*#*#225#*#* - Events calendar
*#*#426#*#* - Debug info for Google Play
Service
*#*#759#*#* - Access Google Partner Setup

Samsung secret codes

There are plenty of codes that we tested on
Samsung devices (that may also work on
others)
*#*#34971539#*#* - Show all camera
information
*#*#197328640#*#* - Enable test mode for
services
*#*#232339#*#* - Wireless LAN test
*#*#1575#*#* - Test your GPS (alternative to
generic Android GPS test)
*#*#0*#*#* - Test your LCD display
*#*#4986*2650468#*#* - Display crucial phone
information

HTC secret codes

*#*#3424#*#* - HTC function test Program
*#*# - HTC Info menu
*#*#8255#*#* - Launch GTalk Service Monitor
##3424# - Diagnostic mode
##3282# - EPST menu
##8626337# - VOCODER
##33284# - Field trial menu
##786# - Reverse Logistics Support
##7738# - Protocol Revision