N.B: If these code change your phone setting or make any harm I will not be responsible for it.
* Software version: *#9999#
* IMEI number: *#06#
* Serial number: *#0001#
* Battery status- Memory capacity : *#9998*246#
* Debug screen: *#9998*324# - *#8999*324#
* LCD kontrast: *#9998*523#
* Vibration test: *#9998*842# - *#8999*842#
* Alarm beeper - Ringtone test : *#9998*289# - *#8999*289#
* Smiley: *#9125#
* Software version: *#0837#
* Display contrast: *#0523# - *#8999*523#
* Battery info: *#0228# or *#8999*228#
* Display storage capacity: *#8999*636#
* Display SIM card information: *#8999*778#
* Show date and alarm clock: *#8999*782#
* The display during warning: *#8999*786#
* Samsung hardware version: *#8999*837#
* Show network information: *#8999*638#
* Display received channel number and received intensity: *#8999*9266#
* Software version: *#9999#
* IMEI number: *#06#
* Serial number: *#0001#
* Battery status- Memory capacity : *#9998*246#
* Debug screen: *#9998*324# - *#8999*324#
* LCD kontrast: *#9998*523#
* Vibration test: *#9998*842# - *#8999*842#
* Alarm beeper - Ringtone test : *#9998*289# - *#8999*289#
* Smiley: *#9125#
* Software version: *#0837#
* Display contrast: *#0523# - *#8999*523#
* Battery info: *#0228# or *#8999*228#
* Display storage capacity: *#8999*636#
* Display SIM card information: *#8999*778#
* Show date and alarm clock: *#8999*782#
* The display during warning: *#8999*786#
* Samsung hardware version: *#8999*837#
* Show network information: *#8999*638#
* Display received channel number and received intensity: *#8999*9266#