samsung j210f hang on logo

Samsung j210f flash after restart fix problem solve <OSM> Enter CS for MD5.. <OSM> Check MD5.. Do not unplug the cable.. <OSM> Please wait.. <OSM> Checking MD5 finished Sucessfully.. <OSM> Leave CS.. <ID:0/021> Added!! <ID:0/021> Odin engine v(ID:3.1207).. <ID:0/021> File analysis.. <ID:0/021>...