NOTE:YOUR PHONE SHOULD BE ROOTED TO DO THIS.
(on how to root your phone go down my blog)
step1 :download a good file explorer from play.i have used root explorer
step 2 now in root explorer change the mount type to r/w from r/o (read and write).
step 3 now download modified vold.fstab file at xda
step4 now in root explorer go to etc in etc you will find a file called vold.fstab.
step 5 rename the original vold fstab as vold fstab.bak
step 6 now transfer the downloaded and extracted vold.fstab to memory card .
step 8 now paste it in the etc folder.
DONE..now restart your phone and enjoy








