Just day befor yesterday on 26th Aug i prchased new krbonn a9 phone.
It is giving lot off problem regarding calls.
when we make call - immediatly after dialing screen gets off.
after the end of the there is no indication on screen oh call ending.
after the end of the call it get in to sleep.
it dosent restart ofter even presseng off key.
ofter all need to remove & refit the battery to re start the mobile.