Qmobile A290 new hardware dead Solution need help

I have Qmobile A290 i flashed 3G firmware now set is fully dead not detecting on pc
i make TP after test point now set is detecting but flashing stuck DA red Bar stuck
DA_RAM_error something like that i also try on sp flash tool and merapitool but same error same problem what can i do any body any other master please help me customer`s set

Thanks In advance