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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 Settings. Under "Personal," tap Security.

Security settings vary by device and version of Android.

Device security

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


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.

Device protection

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.

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