How To Hide file and folder in nokia mobiles

TO Hide file or folder read the following step:-

1.First Select The File or Folder That U Want To Hide
e.g:-computergeniuses256.

2. Go to option And Rename This File Or Folder To filename.ota
e.g:-computergeniuses256.ota

3. Your file or folder will hide but this is not happen try this

4. Rename File To filename.nth , e.g:-computergeniuses256.nth

OR
5. Rename file to filename.jar , e.g:-computergeniuses256.jar

OR
6. Rename file to filename.jad , e.g:-computergeniuses256.jad

7.Try all the Step and enjoy it :