Hide Folder In Nokia cell phones with out using any software

We have to discuss how can we hide
 personal data folder in nokia mobile
 phones?

 So read the following Steps and
 protect your personal data from others...

STEP-1:

 Rename the folder that you want to be hidden from unwanted peoples as
 "folder.jad". For example you want to hide
 the folder "Images" then rename it as
 images.jad.

STEP-2:

 Now create another folder with
 the same directory but with the extension
 of  "Folder.jar". So you would be create
 "Images.jar".

 Now the Folder with .jad will be Hidden No any body can See...

 Now if you want to show the hidden
 folder, just delete the "folder.jar" you can
 see that the folder will be shown...

NOTE:

Their are one problem that the contents of  the hidden folder which has been hidden will be visible in your cellphone music or video player, because these players are collecting all your contents from memory card, It don't keep it hidden so be careful of this.....