NOKIA BLUETOOTH TRICK

STEP I – 

First of all turn on bluetooth of your nokia phone

STEP II - 

Now come back to home screen of your mobile

STEP III - 

Then dial this code *#9990#

STEP IV – 

Now go back to bluetooth menu and try to turn off your bluetooth. You’ll surprised to see that your phone’s bluetooth is not turning off…

STEP V –

If you want to turn off your bluetooth then you have to “SWITCH OFF” your phone and again “SWITCH ON” it, After doing that go to BLUETOOTH PANEL and switch off your phone’s bluetooth , It’ll switched off