Use the Security menu to configure how to help secure your phone and its data.
Content lock
Select lock types to lock files in the Gallery app. Choose Password or Pattern.
ENCRYPTION
Encrypt phone: Allows you to encrypt data on the phone for security. Each time you turn on your phone, a PIN or password will be required to decrypt your data.
Encrypt SD card storage: Allows you to encrypt or decrypt external SD card data. Encrypted data is not accessible to other devices.
SIM CARD LOCK
Set up SIM card lock: Sets the PIN to lock your SIM card and 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 apps.
Verify apps: Checkmark to disallow or warn before installation of apps that may cause harm to your phone.
Notification access: Checkmark to enable the Lock screen to read your notifications.
CREDENTIAL STORAGE
Storage type: Displays the current storage type for credentials (e.g., Hardware-backed).
Trusted credentials: Allows apps 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 haven't set a password to secure your credential storage.
Install from storage: Allows you to install a secure certificate from storage.
Clear credentials: Deletes all secure certificates and related credentials and erases the secure storage’s own password. You’re prompted to confirm you want to clear this data.