Instructions

Go to "Settings" > "Privacy" > "Private Safe". Verify the password, and select the files
to be encrypted.
Encrypted File
Open "File Manager", press and hold the files to be encrypted, and tap "Set as
Private" from "More" in the toolbar below.
Encrypted Photos
Open "Photos", press and hold the photos to be encrypted, and tap "Set as Private"
from "More" in the toolbar below.
Access to Private Files
Go to "Settings" > "Privacy" > "Private Safe" or access "Private Safe" via desktop
shortcut.
The encrypted files can be viewed after you verify with lock screen password,
fingerprint or facial recognition.