MOTOROLA Secret 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) « Back to Categories
