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Motorola Mobile Codes

IMEI number:

*#06#

Code to lock keys. Press together *7

Note: [] (pause) means the * key held in until box
appears.



Select phone line - (use this to write things below the
provider name):

[] [] [] 0 0 8 [] 1 []

Add phonebook to main menu:

[] [] [] 1 0 5 [] 1 []

Add messages to main menu:

[] [] [] 1 0 7 [] 1 []

Copy SIM memory (phonebook menu):

[] [] [] 1 0 8 [] 1 []

Eng Field options (main menu):

[] [] [] 1 1 3 [] 1 []

Slow (Frequency of search menu):

[] [] [] 1 0 1 [] 1 []

Medium (Frequency of search menu):

[] [] [] 1 0 2 [] 1 []

Fast (Frequency of search menu):

[] [] [] 1 0 3 [] 1 []

Enable EFR:

[] [] [] 1 1 9 [] 1 []

Function :

[] [] [] # # # [] 1 []



Change pin:

[] [] [] 0 0 4 [] 1 []

Unblocking using the "puk" number:

[] [] [] 0 0 5 [] 1 []



There are lots of similar codes exist. If you change the
last number to 0 you can deactive that code. The 3 digit
number at the middle are from 0 to 999. I put the most
interesting codes. (EFR):Enhanced Full Rate Codec.



You can change GSM frequencies to 900/1800 by entering
the enginnering model. Following the below steps:

enter menu and press 048263* quickly, then you will
enter the secret engineering menu

under "Opcode"

input 10*0*3 for GSM 900

10*0*4 for GSM 1800

10*0*5 for GSM 1900

10*0*6 for dual band GSM 900/1800

10*0*7 for dual band GSM 850/1900



To add extra message space 4 your Motorola C350 C450
C550 or C650, press menu button, press 048263* quickly,
then on the popup menu enter 47 press ok.press 50 and
ok.press 1 ok.press 64 ok.press 1 ok.press 186 and
ok.You will receive an extra 50 msgs memory space.Switch
phone off and back on.(not tested)