Check or change security settings
You can help protect your Android phone or tablet by updating your security settings.
Note: Android isn't the same on all devices. These instructions are for devices running Android 7.0 and up. Learn how to check your Android version.
Learn more about device security settings
You can manage most of your device's security settings in your device's Settings app . Under "Personal," tap Security.
Security settings vary by device and version of Android.
- Screen lock
Lock your device with a PIN, pattern, or password. Learn how to set a screen lock.
- Pixel Imprint (or Nexus Imprint)
Use your fingerprint to unlock your device and authorize purchases. Learn how to set up fingerprints.
- Smart Lock
Set your device to automatically unlock in certain circumstances. Learn how to use Smart Lock.
Encryption, SIM cards & passwords
- Encrypt phone or Encrypt tablet
If your device isn't encrypted by default, learn how to encrypt data on your device.
- Make passwords visible
Seeing what you enter can help you use passwords that are more complex and secure.
Administrators & credentials
- Device administrators
See or remove people who can administer your device.
- Unknown sources
Allow apps from sources other than Google Play. Learn how to protect against harmful apps and install apps from other sources.
- Credential storage
Manage, install, or clear certificates on your devices. Learn how to add or remove certificates.
- Trust agents
Set features like Trusted Places and Trusted Voice. Learn how to turn on automatic unlock.
- Screen pinning
You can pin a screen to keep it in view until you unpin it. Learn how to pin screens.
- Apps with usage access
Manage what apps have access to app-usage data on your device.
Lock screen message & emergency information
You can add a message and a link to emergency information to your lock screen. Learn how to put information on your lock screen.
Find My Device
If you lose your Android phone, tablet, or Wear watch, you can remotely find, lock, and erase it. Learn how to find a lost Android device.
You can set your Android phone or tablet to help prevent other people from using it if it gets reset to factory settings without your permission. Learn how to help prevent others from using your device.
Amy is an Android expert and author of this help page. Leave her feedback below about the page.