Special Code Android Phone

we can check with a special code to check the different info, from imei until factory test ... it's like a special code on Sonny ERICSSON who can test some info and features,,, if the SE (if not wrong, that he forgot): (left-right-right star left star star) please be corrected if wrong ...

Let us start,, this is a Android Special Code:

1. check touch screen code: * # * # 0 *#*#*  

    This code for the LCD test, check and see,, if there be caught dead pixel 

2. touch screen test, code: * # * # 2664 # * # * 

    will direct the dark,,, trus in touch only,,, try in the rub-rub, do not be until the end,, if there is a break mean

    problems screen .. can try also with the code: * # * # 2663 # * # *

3. test speakers, code: * # * # 0673 # * # * or * # * # 0289 #*#*..

    yes just try it one by one, and select the speaker which would be on trial,, normal if all the speakers sound

    if the sound was not my destiny ...

4. test the strength of vibration, the code: * # * # 0842 # * # *

5. service mode, the code: * # * # 197328640 # * # * 

    this is one test that [important,,, its hard to code but diinget emang kalo udah aja easy to declare this

    interest in our ... test because there is WIFI, BLUETOOTH, GPS, audio ...

6. the latest information on mobile phones, the code: * # * # 4636 # * # *

    ya a lot of useful information and,, there is wear condition of the batteries, voltage temperature ... then there

    is info technology used ...