→ INCREASE SPEED OF BLUTOOTH WHEN RECIVING FILES

This is an old trick.Anyway i am sharing.May be helpful for newbies.
*#2820# on your nokia phone While recieving any file via bluetooth.You can also know bluetooth address using that code.
Enjoy!!

SHOCK UR FRIENDS WITH BLUETOOTH

Shock your frndz with bluetooth!
Just
say to them to switch on bluetooth and
dial *#9990#
Then, tell them to switch off bluetooth!
But, in here ur frnd will be surprized as
the bluetooth won't be switched off in
anycases!
solution:
switch off mobile for a minute
and later switchoff bluetooth. It'll be ok.