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How to Encrypt Your Samsung Phone

Method 1 Method 1 of 2: Setting Up a Secure Lock
  1. 1 Open Settings. Tap the gear icon in your Quick Menu or search for the gear app icon.
  2. 2 Tap Lock Screen. You may have been prompted to create a key when you first set up your phone, but you can always return here to add one if you skipped that step.
  3. 3 Tap Screen lock type. It's usually the first option in the menu.
    • You'll need to confirm your current key if you have it set up.
  4. 4 Tap a security measure to create one. You can create a swipe, pattern, PIN, password, or use your face or fingerprints to create a key.
    • Only those that enter this key will be able to read your phone.
    • Make sure "Strong Protection" is enabled if you want your phone's data to be encrypted. By default, this feature is turned on. Find it in Settings > Biometrics and security > Other security settings.
Method 2 Method 2 of 2: Encrypting Older Samsung Phones
  1. 1 Open Settings. Tap the gear icon in your Quick Menu or search for the gear app icon.
    • You'll want to use this method if you have an older phone, like the Samsung S5.
  2. 2 Tap Security. It's usually found under the "System" header next to a lock icon.
    • If you have a Samsung running Android 5, you'll find the Security icon under the "Personal" header instead.
  3. 3 Tap Encrypt Phone/Device. This is usually the first option in the menu.
    • Your phone will need to be charged to at least 80%, plugged in, and encryption could take an hour or longer to complete.
    • If your phone is rooted, you'll need to unroot your phone to do this.