"This information is intended for experienced users . Not intended for basic users , hackers , or stealing mobile phones . Please do not try any of the following methods if you are not familiar with mobile phone secret codes ".
The author does not will be responsible for the use or misuse of this information , including data loss or hardware damage . Thus , the risk is yours alone .

Android Secret Code Here is the hidden secret codes which can be used in Google's Android mobile OS ( android cell phone with android operating system ) , access to the things that are not accessible by default .

1 . Information on cell phones and batteries

* # * # 4636 # * # *

This will show the following four menus on the screen :

• phone Information
• battery information
• history of Battery
• statistical

2 . Reset the data as early

* # * # 7780 # * # *

This code will remove the following :

• Google account settings stored in your phone
• System and application data and settings
• Applications downloaded

and will NOT remove :

• Current system software and bundled applications
• SD Card files such as photos , music files , etc.

Note : Once you give this code , you get a prompt on the screen asking you to click on the button "Reset Phone " . So you get a chance to cancel your operation .

3 . Manufacturer Original Format

* 2767 * 3855 #

Think carefully before you give this code . This will remove all files and settings including the internal memory storage . It will also reinstall the phone firmware . As a side note , after you give this code , there is no way to cancel the operation unless you remove the battery from the phone . So think twice before giving this code .

4 . Information about camera phones

* # * # 34971539 # * # *

This code indicates the following four menus :

• Update the firmware of the camera in image ( Do not try this option )
• Update camera firmware in SD card
• Get camera firmware version
• Get count of firmware updates

WARNING : Do not use the first option is declared , the camera phone will stop working and you will need to take your phone to a service / shop to reinstall camera firmware .

5 . Code to change the " End Call / Power "

* # * # 7594 # * # *

This code can be used to change the " End Call / Power " action on your mobile phone keypad . So the default , if you press the button for a few moments, it will display a screen asking you to select an option from Silent mode , Airplane mode and Power off the phone .

You can change the action using this code . You can activate this power directly from the button so you do not have to waste your time in selecting the option .

5 . Open the file copy screen where

* # * # 255 * 273 283 * 663 282 * # * # *

6 . Service Mode Log

* # * # 197328640 # * # *

You can run various tests and change settings in the service mode .

7 . Test Code : WLAN , GPS and Bluetooth

* # * # 232 339 # * # * - WLAN test

* # * # 526 # * # * - WLAN test

* # * # 528 # * # * - WLAN test ( Use " Menu " to launch a variety of test )

* # * # 232 338 # * # * - Displays the MAC address of WiFi

* # * # 1472365 # * # * - GPS test

* # * # 1575 # * # * - Another GPS test .

* # * # 232 331 # * # * - Bluetooth test

* # * # 232337 # * # - Displays the Bluetooth address

8 . Launch GTalk Service Monitor

* # * # 8255 # * # *

9 . Code to get firmware version information :

* # * # 4986 * 2650468 # * # * - PDA , Phone , H / W , RFCallDate

* # * # 1234 # * # * - PDA and Phone

* # * # 1111 # * # * - FTA SW Version

* # * # 2222 # * # * - FTA HW Version

* # * # 44336 # * # * - PDA , Phone , CSC , Build Time , numbered list of changes .

10 . Codes to launch various Factory Tests :

* # * # 0283 # * # * - Loopback packet

* # * # 0 * # * # * - LCD test

* # * # 0673 # * # * or * # * # 0289 # * # * - Melody test

* # * # 0842 # * # * - Device test ( Vibration , and Backlight test)

* # * # 2663 # * # * - Touch screen version

* # * # 2664 # * # * - Touch screen test

* # * # 0588 # * # * - Proximity sensor test

* # * # 3264 # * # * - RAM version