Hidden Android Code to restore factoty setting, show infomation about battery, GPS test, bluetooth test, LCD test, RAM version and ect..
*#*#7780#*#* - This code is used for factory restore setting.This will remove google account setting and System and application data and settings.
*2767*3855# - This code is used for factory format, and will remove all files and settings including the internal memory storage. It will also reinstall the firmware.
*#*#4636#*#* - This code show information about your phone and battery.
*#*#273283*255*663282*#*#* - This code opens a File copy screen where you can backup your media files e.g. Images, Sound, Video and Voice memo.
*#*#197328640#*#* - This code can be used to enter into Service mode. You can run various tests and change settings in the service mode.
*#*#7594#*#* - This code enable your "End call / Power" button into direct poweroff button without asking for selecting any option(silent mode, aeroplane and poweroff).
*#*#8255#*#* - This code can be used to launch GTalk Service Monitor.
*#*#34971539#*#* - This code is used to get camera information.Plz avoid update camera firmware option.
WLAN, GPS and Bluetooth Test Codes:
*#*#232339#*#* OR *#*#526#*#* OR *#*#528#*#* - WLAN test (Use “Menu” button to start various tests).
*#*#232338#*#* - Shows WiFi MAC address.
*#*#1472365#*#* - GPS test.
*#*#1575#*#* - Another GPS test.
*#*#232331#*#* - Bluetooth test.
*#*#232337#*# - Shows Bluetooth device address.
Codes to launch various Factory Tests:
*#*#0842#*#* - Device test (Vibration test and BackLight test)
*#*#0588#*#* - Proximity sensor test
*#*#0*#*#* - LCD test
*#*#2664#*#* - Touch screen test
*#*#2663#*#* - Touch screen version
*#*#0283#*#* - Packet Loopback
*#*#0673#*#* OR *#*#0289#*#* - Melody test
*#*#3264#*#* - RAM version
Code for firmware version information.
*#*#1111#*#* - FTA SW Version
*#*#2222#*#* - FTA HW Version
*#*#44336#*#* - PDA, Phone, CSC, Build Time, Changelist number
*#*#4986*2650468#*#* - PDA, Phone, H/W, RFCallDate
*#*#1234#*#* - PDA and Phone
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