Share your experience!
sory ,i cannot understand your problem....cold you explain breifly??so that i can help you!!
Probably your phone was brought from TIM.Where are you from?Did you get your phone new?
i think you have installed another rom(that is you removed the sony default os and installed TIM Rom) see this http://public.timduru.org/Android/FlyTouch3/ may be helped!!
Visit a sony centre for clarification.