Motorola
1. *#06# Menampilkan nomor IMEI (International Mobile Equipment Identity).
2. *#303# OK Mengubah ke bahasa inggris.
3. *#300# OK Menampilkan versi software (SW and HW Version).
4. *#301# OK Test keypad.
5. 1234 OK Kode default ponsel.
6. *#311# OK Merubah kode ponsel default.
7. ***113*1* OK Net Monitor ON.
8. **113*1* OK Net Monitor OFF.
9. *#304# OK Set Off engineering mode.
10. *#304*1998072# OK Set On engineering mode.
11. *#307* OK Engineering test mode.
12. *#400# OK ADC call val.
13. 19980722 OK Master unlock code for phone and sim lock.
14. *#0000# OK Setting and restore.
15. *#402# OK Contrast
16. *#305# OK Location 1