How to use Private Mode on the Samsung Galaxy S5

Private Mode on the Samsung Galaxy S5 is a convenient way to hide files you don't want seen by others, without the need for any third-party apps. When you're in Private Mode, all your photos, videos, and other files will be viewable. Exit Private Mode and hand your phone to somebody else. You can rest assured they can't see any of your hidden files, unless they know your code or unlock pattern.

Here's how to set up Private Mode on the Galaxy S5 and get started with it:

source: androidcentral