Use the Security menu to configure how to help secure your phone and its data.
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.
STORAGE ENCRYPTION
Encrypt SD card: Enables microSD card encryption and synchronization with previously encrypted data. You can encrypt the data stored on the microSD card.
SIM CARD LOCK
Set up SIM card lock: Allows you to set if you want to require a PIN to be able to access the SIM card. And, if set, allows you to change the PIN.
PASSWORDS
Password typing visible: Checkmark to briefly show each character of the password as you type so that you can see what you enter.
PHONE ADMINISTRATION
Phone administrators: Displays the list of administrators, allowing you to deactivate device administrators.
Unknown sources: Checkmark to allow installation of non-Play Store applications.
CREDENTIAL STORAGE
Trusted credentials: Allows applications to access your phone’s encrypted store of secure certificates, related passwords and other credentials. The screen has a System tab and a User tab. Credential storage is used to establish some kinds of VPN and Wi-Fi connections. This setting is dimmed if you have not set a password to secure your credential storage.
Install from storage: Allows you to install a secure certificate from a microSD card.
Clear credentials: Deletes all secure certificates and related credentials and erases the secure storage’s own password. You are prompted to confirm you want to clear this data.