Step 8

按Ctrl+T, 打指令
mv /var/root/Media /var/root/Media.old <--跟住按Enter
ln -s /var/root/Media (l 係 L 的細階, 唔係 數目字 1) <--跟住按Enter


rm /var/root/Media
mv /var/root/Media.old /var/root/Media








or may be 

setafc com.apple.afc2
iphuc -qa com.apple.afc2




./iphuc -qa com.apple.afc2 -o "ls /bin"