Njoy Arcas 7 need rom

Hi!
I need firmware for Njoy Arcas 7 .
When starting show only in logo.
this is my firmware vfersion:
MT6580__nJoy__nJoy_Arcas_7__6.0__nJoy_Arcas_7_2016 1111__nJoy_Arcas_7__nJoy_Arcas_7