Hi guys !!
I need a help over here !!
am trying to install backtrack 5 arm version on my n900 ,, so
I downlaoded the .img file "from the official website" .. Got it on MyDocs
made a new dir. on the root named it by mnt/bt5 and then

i run this commands :
and got this error :

Mount failure!
i don't know what to do ! Help me here
thnx in advance
and sorry for my bad English