Welcome to my humble post:

A couple of codes for your Android


* # * # 4636 # * # * - Get battery information. (4 menus)
Phone Information
Battery Report
Battery History
Mobile usage statistics
* # * # 7780 # * # * - Will removing a reset:
Data from your Google account.
System configuration and application
Downloaded applications
It will not remove:
The software or applications that you downloaded earlier
The files that are on the SD memory.
* 2767 * 3855 # - Note: This code removes everything, and reinstall the firmware (wipe total).
* # * # 34971539 # * # * - shows you the menu:
Update the camera firmware (do not use that camera will stop working)
Update the firmware of the camera in the SD
To know the firmware version of the camera
* # * # 7594 # * # * - Changes the menu that appears when you hit the off button, and simply turn off your phone.
* # * # * 255 * 663 282 273 283 *#*#* - Initiates a screen that allows you to copy media files.
* # * # 197328640 # * # * - Entering the Service Mode:
* # * # 232339 # * # * O * # * # 526 # * # * or * # * # 528 # * # * - WLAN test
* # * # 232338 # * # * - Displays the current MAC address
* # * # 1472365 # * # * - GPS test
* # * # 1575 # * # * - Other GPS test
* # * # * # * 232331 # - Bluetooth test
* # * # 232337 # * # - Show the Bluetooth terminal address
* # * # 8255 # * # * - Open the monitor Gtalk.
Codes data for Firmware:
* # * # 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
Codes for 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

Save Memory

Always remember that android manages which applications are closed and what not, although there are some that you can do that, especially having the account closed if expressly Google Talk from the options menu, you will always in the background, with the consequent consumption Battery and continuous availability. Do not forget to close it if you do not.

Mute / vibration

Without installing anything or access any menu: Very easy, very simple: All android have a button or two, to raise and lower the volume, it just has to be taken down a second one below, so that you fully silence falls we will see how quickly the volume bar. With a touch more on the above, is set to vibrate without volume. To return the volume, push the button back up.