Secret Codes for Android Phone

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There are some secret codes on Android phone, which can help you to enable or disable lots of hidden settings in the phone. These codes can also show useful information about the phone. We can use those secret codes on any Google Android mobile phone to access things, which are not accessible by default.  In this tutorial we’ll show you useful Android phone secret codes to make your phone better.
To enter the code, just input them on the phone dialer.
Android Phone Information:
*#*#4636#*#*
You can use this code to get some information about your phone and battery. It shows phone information, Battery information, Battery history, and Usage statistics.

Android Phone Reset:
*#*#7780#*#*
You can use this code to reset your Android phone back to factory data. It’ll remove following things: Google account settings stored in your phone, System and application data and settings, Downloaded applications. It’ll NOT remove: Current system software and bundled applications, SD card files e.g. photos, music files, etc.
NOTE: Once you input this code, you’ll get a prompt screen asking you to click on “Reset phone” button. So you get a chance to cancel your operation.

Android Phone Factory Format:
*2767*3855#
This code is used for factory format, which will delete all files and settings, including the internal memory storage. It’ll also reinstall the firmware.

NOTE: Once you input this code, there is no way to cancel the operation unless you remove the battery from the phone.
Android Phone Camera Information:
*#*#34971539#*#*
You can use this code to get information about the camera. It shows following 4 menus: Update camera firmware in image, Update camera firmware in SD card, Get camera firmware version and Get firmware update count.

WARNING: Never use the first option (Update camera firmware in image) otherwise your camera will stop working and you’ll need to take your phone to service center to reinstall camera firmware.
Android Phone:
*#*#7594#*#*
You can use this code to change the “End Call / Power” button action in your phone. Be default, if you long press the button, it shows a screen asking you to select any option from Silent mode, Airplane mode and Power off. You can change this action using this code. You can enable direct power off on this button so you don’t need to waste your time in selecting the option.

Android Phone Backup:
*#*#273283*255*663282*#*#*
This code opens a file copy screen where you can backup your media files e.g. Images, Sound, and Video.

Android Phone Service mode:
*#*#197328640#*#*
You can use this code to enter into Service mode. You can run various tests and change settings in the service mode.

Android Phone WLAN, GPS and Bluetooth test:
*#*#232339#*#*   OR   *#*#526#*#*   OR   *#*#528#*#*
WLAN test (Use “Menu” button to start various tests)

*#*#232338#*#* – Shows Wi-Fi MAC address.

*#*#1472365#*#* – GPS test.

*#*#1575#*#* – Another GPS test.

*#*#232331#*#* – Bluetooth test.

*#*#232337#*# – Shows Bluetooth device address.

Android Phone GTalk:
*#*#8255#*#*
You can use this code to launch GTalk Service Monitor.

Android Phone 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, Changelist number.

Android Phone Factory Tests:
*#*#0283#*#* – Packet Loopback

*#*#0*#*#* – LCD test

*#*#0673#*#* OR *#*#0289#*#* – Melody test

*#*#0842#*#* – Device test (Vibration test and BackLight test)

*#*#2663#*#* – Touch screen version

*#*#2664#*#* – Touch screen test

*#*#0588#*#* – Proximity sensor test

*#*#3264#*#* – RAM version

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