Mobile phone call to hear how loud enough to do? What is bad?

Users questions:Nokia mobile phones more than a year, and Tingtongli voice getting smaller and smaller when bought kinda good and what is bad? Can repair do? Repair, then spend much time, I do not want to stay in the maintenance of a mobile phone .
Experts answer: first place for a long time now to determine whether you have a mobile phone handset volume is too low-key, and then look atWhat is in front of your handset too gathered dust, if not, then your phone is damaged components must be sound, and need to fix.
  • This information provided by the users.Thanks!