Default Wrong recovery flashed, now can't get recognized by flashing program

I accidentally flashed wrong recovery.img to my ATM7021 -based tablet. Now when the tablet is booted it does not boot into OS but into recovery. I cannot get the tablet to be recognized by the flashing program (Tablet Product Tool), before this I had to press power + vol down but now the tablet just boots.

Is the tablet totally bricked now or are there any suggestions?