Tutorial on how to lock you nokia phone bluetooth not to accept files.
It is funny right, but nice at the same time, all you have to do is go to where bluetooth is, locate it on your nokia phone, Power on the bluetooth and then dial these following code *#9990# and W0W! You have succesfully locked it.
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NOTE:- You can't receive files anymore unless you deactivate it. To deactivate it simply switch off your phon and on it again to start receiving files.