Secret Codes For Your Android Smartphone

##273283255663282*## - Get file copy screen for backing up your images, videos, voice memos, and other media files*##4636##* - To access the internal phone information, battery statistics and usage statistics*##7594##* - Change default actions for the End Call and Power button*##7262626##* - Field test05*# - PUK Unlock (from emergency dial screen)##7780## - To reset all phone data*##197328640##* - Access the service mode*##34971539##* - For gaining information about phone camera firmware*##1472365##* - Gain access to LbsTestMode menu to test default GPS configurations*##8351##* - Enable voice dialer logging*##8350##* - Disable voice dialer logging*##0## - To test the LCD*##0842##* - To test the vibration and backlight*##2664##* - Test the touchscreen*##3264##* - Test the phone’s RAM*##0588##* - Test the proximity sensor*#06# - Display IMEI*##232331##* – Bluetooth test*##232337## – Shows Bluetooth device address*##49862650468## – PDA, Phone, H/W, RFCallDate*##1234##* – PDA and Phone*##1111##* – FTA SW Version*##2222##* – FTA HW Version*##44336##* - PDA, Phone, CSC, Build Time, Changelist number*##0283##* – Packet Loopback*##0673##* OR ##0289## – Melody test[via]