If your phone is damaged most direct, thinking to take her to the Service Center. Try to solve this problem by introducing the Nokia Beta Labs Nokia Diagnostics software. This software allows you to check on Nokia phones damaged by users themselves.
Nokia Diagnostics will perform diagnostics and repair damage by performing tests such as: Network Coverage, Internet Connectivity, Battery Charger, and Loadspeaker / earpiece. Nokia Diagnotics software can be downloaded at http://betalabs.nokia.com