How to Encrypt Your Samsung Phone

Download Article

Written by Darlene Antonelli, MA

Last Updated: June 5, 2025

Download Article

Setting Up a Secure Lock

|

Encrypting Older Samsung Phones

|

Video

Phones running at least Android 5.1 (including every Samsung phone on the current market like the S21) automatically encrypt your data and you are prompted to add a security measure to your lock screen to strengthen that encryption. You can set up a swipe, pattern, PIN, or password that's required to unlock your phone and make it usable. If you have biometric features, you can set up fingerprints or face unlocking. This wikiHow article will teach you how to encrypt your older Samsung phone and how to set up a secure lock type. After you encrypt your phone, it may react slower because it will need to decrypt all your information as you're accessing it.

Encrypting Your Samsung Phone

Open the Settings app.
Tap Lock Screen.
Select Screen lock type.
Select PIN, Password, or a biometric.
Follow the on-screen instructions to set your encryption method.

Method 1

Method 1 of 2:

Setting Up a Secure Lock

Download Article

Tap the gear icon in your Quick Menu or search for the gear app icon.
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.

Advertisement
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
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.^{[1]
  X
  Research source}

Method 2

Method 2 of 2:

Encrypting Older Samsung Phones

Download Article

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
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
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.^{[2]
  X
  Research source}