Bluetooth and radio problems

I have Nokia5800, which causes an problem regarding bluetooth.whenever i start bluetooth it show me an error message "unable to perform bluetooth operation"

Switch-off your phone. 1. Press and hold 3
keys; Green dial key, *
Star key, no. 3 key on keypad and then press
the power on/off to
swtich on the phone. Remember, do not let go the 3
press and hold
keys until you see a formatting word screen show! 2.
After a few
minutes when the Full phone formatting completed, your phone
will
back to original system and factory settting.

My Bluetooth is not working in N73 mobile .When i turn on my bluetooth this error msg appears " unable to perform bluetooth operation then plz help me someone

Have you let the battery run all the way down and then given it a full charge, then tried it?

Try removing the battery and the SIM while the phone is powered on. Reinstall the battery and SIM, turn on the phone and try again.

I have reformatted my nokia 6630 but still bluetooth is not working please Please help me!!!

you need to go technician then ask them to reformat your n70 phone,so that it will work well.

buy new phone

Unable to perform bluetooth operation!how can i solve this problem

if this is a creckit return it and get a new one.