emergency,,stuck in bootloop ... topic

friends i have sm-t211, i root it eariler with kingo, then update the system which unroot it but again i try kingo to root it but this time i stuck in bootloop .. any help any suggestion how can enter into recovery ??
how caN i fix the boot loop ??...
i am on stock rom ... this phone is new for me so,i have no related software....
i try to recovery by pressing "power+ vol. up + home" but loop start again...