first flash a recvery, if u have a mtk device the use mtktool for mwn recovery after that install mbileuncle from play store, reboot into recvery from there u can flash
u can root via mtktool, prblem is the driver, check out my post: http://xdaforums.com/showpost.php?p=49018882&postcount=4 ...
also press thanks
Is this the S9920 if so i can backup my rom for you.Now the phone is bricked.. :/ Need the right image to get it working again I think.. have any idea where to find it?