Nokia — trouble in using nokia x6

Address:

Salem, Tamil Nadu

i am using nokia x6....MY IMEI NO IS. [protected].....
i am so upset by using with nokia x6......even bluetooth is not working in my handset...if i try it so switch on my bluetooth it says unable to perform bluetooth action....my phone hangs n automatically switchoff n restarts while using....i also tried software reinstallation for three times...it is still repeating...so i hated to use it....this problem is for six months.for past six months i am having so much of trouble with this handset........it not works as like a smartphone......
.so pls help me to solve this problem.waiting for your reply sir........
my contact no: [protected]
mail id: [protected]@gmail.com