Motorola Secret Codes

Warning: Tray these codes at your own risk! We don't accept any complains

IMEI Number: *#06#
Code to lock keys. Press together *7
Note: [] (pause) means the * key held in until box apperas.

Select phone line - (use this 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 option (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 you 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 number to 0 you can detactive the cide. 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"