Nokia 8890 Secret Codes

*#06# shows the IMEI number (the IMEI number is 15 digits long and is unique to each mobile phone - it is used to identify the phone in case of theft, etc.)



Half Rate Mode (HFR):

*4720# to activate HFR.
#4270# to deactivate HFR.



Default Security Code:
12345


Calling Button + * + 3  
Hard Format for WD2 and BB5

*#06#
IMEI


*#0000#            
view Software Version


*#746025625#    

[*#sim0clock#]


*#92702689#      

[*#war0anty#]   secret menu:

 1. Displays Serial Number

 2. Displays the Month and Year of Manufacture (0997)

 3. Displays (if there) the date where the phone was purchased

 4. Displays the date of last repairment - if found (0000)

 5. Makes you capebel of transferring user data

 6. Shows how many hours the phone has been on

*3370#      
Enhanced Full Rate Codec (EFR) activation

#3370#     
Enhanced Full Rate Codec (EFR) deactivation

*4370#      
Half Rate Codec activation

#4370#     
Half Rate Codec deactivation

xx# - xx 
position in Phone Book

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