Front camera not work properly

Mera mobil karbonn k9virat 4g
Ka ispeekar kharab ho gaya
Service senter par 3 din se
Thik nahi kiya

karbnn bttry 26 dcmbr 2018 mai li tii.. 15 din hi acche s chali orr frr karab ho yi... 60% s jada chrge nahi hoti..... bttry krbnn care shamli si li tii orr ab m Delhi hu.. 1 mnth ki grunty tiii .... to m mai kaise karu