Here's how you can use private mode to hide pictures and other files on the Samsung Galaxy S5.
1. Go to Settings.
2. Tap on Private Mode.
3. Tap on Start.
4. Choose your unlock method: Pattern, PIN, Fingerprint or Password.
5. Move your files.
With the concerns of privacy and security of data becoming more prominent, Samsung didn’t fail to step up to the plate and has added a private mode to the new flagship, which serves the purpose of keeping pictures, videos and documents under wraps, for your eyes only.More at Android Pit