this trick is for hacked phones only
by using X-plore go to C:\Private\102072C4 then delete "reserved" file

http://img820.imageshack.us/img820/7671/scr000001eu.jpg
and replace the file with any file with much lower size then rename it to "reserved"
then change its attributes to "system" "read-only" so that the original 5mb file wont back.
ok thats it!!!!
here's the result

http://img62.imageshack.us/img62/2497/scr000002b.jpg
based on X-plore
Drive C (phone memory) 61mb

