Motorola Mobile Tips

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 []


  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.