ENCRYPTION
Encrypt phone – Allows you to encrypt the phone to keep it secure. After encryption, a PIN or password needs to be entered each time you power the phone on.
Encrypt SD card storage – Allows you to encrypt the microSD card data to keep it secure. After encryption, you will not be able to use it in other devices. Any data that is created or updated after disabling encryption will not be encrypted but the data that has been previously encrypted will remain encrypted.
PASSWORDS
Password typing visible – Checkmark to show the last character of the hidden password as you type.
PHONE ADMINISTRATION
Phone administrators – Displays the list of administrators, allowing you to deactivate phone administrators.
Unknown sources – Checkmark to allow installation of non-Play Store apps.
Verify apps – Checkmark to disallow or warn before installation of apps that may cause harm.
CREDENTIAL STORAGE
Trusted credentials – Displays trusted CA certificates.
Install from storage – Allows you to install encrypted certificates.
Clear credentials – Removes all secure certificates and related credentials.