Top 20 secrets of Samsung mobile phones
Here is the list of secret codes that works on almost all the Samsung mobile phones.
1) Digital Audio Interference Off = *#3243948#
2) Digital Audio Interference On = *#32436837#
3) Java menu = *#9998*5282#
4) Monitor Mode = *#9999#0#
5) Software Version = *#9999# or *#9998*9999#
6) Hardware Version = *#8888# or *#9998*8888#
7) SIM Info = *#9998*746# or *#9998*0746# or *#0746#
8) Display Contrast = *#9998*523# or *#9998*0523# or *#0523#
9) Vibration On (until you push OK) = *#9998*842# or *#9998*0842# or *#0842#
10) Buzzer On (until you push OK) = *#9998*289# or *#9998*0289# or *#0289#
11) Battery & Field Info = *#9998*288# or *#9998*0288# or *#0288#
12) Error log = *#9998*377# or *#9998*0377#
13) SIM Service table = *#9998*778# or *#9998*0778# or *#0778#
14) Show date and alarm clock = *#9998*782#
15) Show network information = *#8999*638#
16) Change operator logo at Startup = *#9998*5646#
17) Production number = *#9998*76#
18) View melody for alarm = *#9998*968#
19) Non-Volatile Memory = *#9998*585#
20) Help Menu = *#9998*4357#
So these are the Top 20 secret codes of Samsung mobile phones.