How to hide folders in Nokia mobiles without any softwares

Hi, You can hide folders in Nokia S40 Series Handset and Some of Nokia S60 Series Mobiles

1. Go To --> Menu --> Gallery --> Memory Card

2. Next Options and Select Add Folder Type

3. Give Any Name For Folder and then add .ota after the folder name Then Save

Example : hidefolders.ota ,

Now This File will be Hided From Gallery.