Manage security settings
Device security settings
You can manage most security settings for your device by opening the Settings menu and touching Security. Here are the settings you can change:
- Screen security: Manage screen lock options. Learn how to set a screen lock.
- Encryption: Encrypt the data on your phone or tablet. Learn how to encrypt your data.
- SIM card lock: Set up a PIN to lock your device's SIM card (may not be available on your device).
- Passwords: Make passwords visible as you type, which helps you to enter a password that is more complex and secure.
- Smart Lock for Android: Set up your device to automatically unlock when you have a trusted Bluetooth device or NFC connected, when you're at a trusted location, when you're carrying it with you, or when it recognizes your face. Learn how to use Smart Lock.
- Device administration: Manage device administrators, allow apps to be installed from sources other than the Play Store, and choose to verify apps from all sources. Learn how to protect your device from harmful apps.
- Unknown sources: Manage installation of apps from sources other than the Play Store.
- Credential storage: Manage, install, or clear certificates on your devices. Learn how to work with certificates.
- Trust agents: Manage trust agents for features like Smart Lock.
- Screen pinning: Turn on to keep your current screen in view on your device. Learn how to use screen pinning.
- Apps with usage access: Manage what apps have access to app-usage data on your device.
Tip: Touch Settings > Security > Owner info to enter information that's displayed on the lock screen. This can be useful in case you lose your device.
Android Device Manager
If you lose your Android device, Android Device Manager can help you find, lock, and erase it. Learn how to get started with Android Device Manager.
Device protection for Android 5.1 and higher
If your device is running Android 5.1 or higher and came with Android 5.0 preinstalled, you can set up your device to prevent other people from using it if it's been reset to factory settings without your permission. Learn how to make sure your device is protected.
Elena is an Android expert and author of this help page. Leave her feedback below about the page.