IMEI number: *#06#
Note: hold down * key until box appears [] (pause).
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 (Enhanced Full Rate Codec) : [] [] [] 1 1 9 [] 1 []
Function : [] [] [] # # # [] 1 []
Change pin: [] [] [] 0 0 4 [] 1 []
Unblocking using the "puk" number: [] [] [] 0 0 5 [] 1 []
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enter menu and press 048263* quickly, enter into secret menu
under "Opcode"
input 10*0*3 for GSM 900
10*0*4 for GSM 1800