MOTOROLA SECRET CODES

1. *#06#- Serial No IMEI
2.  Menu+# Phone Number
3. Number+#-Speed Dail
4. *#**372# Or *#**376#-Listen FM without earphones
5. There are lots of similar codes exist.
6. If you change the last number to 0 you can deactive that code.
7. The 3 digit number at the middle are from 0 to 999.
8. More codes. (EFR):Enhanced Full Rate Codec.
9. You can change GSM frequencies to 900/1800 by entering the enginnering model.
10. Following the below steps:
11. enter menu and press 048263* quickly,
12. then you will enter the secret engineering menu
13. under "Opcode"
14. input 10*0*3 for GSM 900
15. 10*0*4 for GSM 1800
16. 10*0*5 for GSM 1900
17. 10*0*6 for dual band GSM 900/1800
18. 10*0*7 for dual band GSM 850/1900
19. To add extra message space 4 your Motorola C350 C450 C550 or C650,
20. press menu button, press 048263* quickly,
21. then on the popup menu enter 47 press ok.
22. press 50 and ok.press 1 ok.
23. press 64 ok.press 1 ok.press 186 and ok.
24. You will receive an extra 50 msgs memory space