Hide folders in s40 mobile devices without any softwares

This trick is very simple friends.You dont need any thing for this trick. Just simply follow the steps and your work will be done. 1. Create a folder of any name like abc 2. Move the files you want to hide. 3. Now just add the extension .jad like if you have abc folder rename it to abc.jad 4. Now create another folder in same directory
with the same name but different extension of .jar (example abc.jar) 5. now your main folder (with .Jad extention) will hide and it will not be shown.To see the original folder rename the visible folder (of .Jar extention) and your hidden folder will appear.