Sony Ericsson Mobile Phone
Faulty phone with multiple problems

I have taken my phone on 30 Dec. but From Starting on words it creates problem .2 times charger has been already change. 9 to 10 IC has been change. battery & headphone is also changed. But the problem remain the same. More than 4 months it will be on service center for repair in 1 year:

automatic switch off

unable to call sometimes

joystick problem

unable to charge some times

automatic charging