In
most cell phones like nokia symbian os, samsung, etc, must have secret
codes to access to Certain information or go to a specific application.
So even in android there is a shortcut for the code to a particular application. In the android uses a combination to open it, the following secret codes That you can use:
* * # * # 4636 # * # * Information Phone
* * 2767 * 3855 # hard reset *
* * # * # 7780 # * # * Back regulatory Factory **
* * # * # 7594 # * # * Changing the End Call / Options for Power
* * # * # 197328640 # * # * Mode service
* * # * # * 255 * 663 282 273 283 *#*#* Copying files on the screen (backup media files)
* * # * # 526 # * # * Test WIFI / WLAN
* * # * # 232338 # * # * featuring Physical Address WIFI / WLAN
* * # * # 1472365 # * # * GPS Test
* * # * # 1575 # * # * Other Ways GPS testing
* * # * # 232331 # * # * Bluetooth Test
* * # * # 232337 # * # Bring up the Bluetooth Physical Address
* * # * # 8255 # * # * Monitor Google Talk Service
Test the code for Android
* * # * # 0283 # * # * packet loopback
* * # * # 0 *#*#* LCD Test
* * # * # 0673 # * # * Test Tone / voice
* * # * # 0842 # * # * Test Device (vibration test and backlight test)
* * # * # 2663 # * # * Version Touch Screen, Beware If Requested On Update, Not Selected For Causing Hard Reset *
* * # * # 2664 # * # * Touch Screen Test
* * # * # 0588 # * # * Sensor Device Test
* * # * # 3264 # * # * Version Ram
Code To Know Information About Firmware Used
* * # * # 4986 * 2650468 # * # * Knowing All About Devices
* * # * # 1234 # * # * Knowing the Firmware Version
* * # * # 1111 # * # * Aware Software Version
* * # * # 2222 # * # * Know the Hardware Version
* * # * # 44336 # * # * Knowing the internal version, like pda, phone, csc, build time, changelist number
Note:
* Hard reset delete all the files & settings are there in the internal memory, or equal to reformat the firmware.
Warning! If already in this code Pressing this directly to hardreset, And No choice Canceling.
** Back regulatory Factory just delete accounts, system & Settings application