MOTOROLA MOBILE SECRET CODES

IMEI NUMBER

1= *#06#

CODE TO LOCK KEYS

1= Code to lock keys. Press together *7
Note: [] (pause) means the * key held in until box appears.

SELECT PHONE LINE

1=(use this to write things below the provider name):

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

ADD PHONE BOOK TO MAIN MENU

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

ADD MESSAGES TO MAIN MENU

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

COPY SIM MEMORY(PHONEBOOK MENU)

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

ENG FIELD OPTIONS (MAIN MENU)

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

SLOW (FREQUENCY OF SEARCH MENU)

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

MEDIUM (FREQUENCY OF SEARCH MENU)

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

FAST (FREQUENCY OF SEARCH MENU)

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

FUNCTION

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

ENABLE EFR

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

UNBLOCKING USING THE "puk" NUMBER

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

CHANGE PIN

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

EXTRA MESSAGE SPACE

1=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)

CHANG GSM FREQUENCIES

1= 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

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