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 Menuunder " 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 )

Motorola A1200 Review