Kode rahasia yang ada pada handphone juga perlu kita ketahui...diantaranya :

1. *#06# Show IMEI
2. *#9999# Show Software Version
3. *#0001# Show Serial Parameters
4. *2767*3855# Full EEPROM Reset ( THIS CODE REMOVES SP-LOCK!!!! but also change IMEI to 447967-89-400044-0, you must use CHGIMEI to restore it)
5. *2767*2878# Custom EEEPROM Reset
6. *#9998*228# Battery status (capacity, voltage, temperature)
7. *#9998*246# Program status
8. *#9998*289# Change Alarm Buzzer Frequency
9. *#9998*324# Debug screens
10. *#9998*523# Change LCD contrast
11. *#9998*636# Memory status
12. *#9998*746# SIM File Size
13. *#9998*778# SIM Service Table
14. *#9998*785# RTK (Run Time Kernel) errors
15. *#9998*786# Run,Last UP, Last DOWN
16. *#9998*837# Software Version
*#9998*842# Test Vibrator
17. *#9998*862# Vocoder Reg
18. *#9998*872# Diag
19. *#9998*947# Reset On Fatal Error
20. *#9998*999# Last/Chk
21. *#9998*9266# Yann debug screen (=Debug Screens?)
22. *#9998*9999# Software version...