how to backup I9300 / N7100

how to backup I9300 / N7100 with z3x box.

here before i backup rpl nokia model with other tools.

now i dont know how do backup I9300 / N7100 if phone any damage.

via Welcome to gsm-tips http://forum.gsmhosting.com/vbb/f453/how-backup-i9300-n7100-1734146/