How To Encrypt Your Mobile Phone
How To Encrypt Your Android Mobile Phone
On Android, the lock screen and the device encryption are two separate, though related things.
You can't encrypt your Android device without the screen lock turned on, and the encryption password is tied to the screen lock passcode.
Plug in your charger, since the encryption takes an hour or more.
Step Two
Go to Settings > Security and look for the Encrypt phone option.
Step Three
You'll need to set a password of at least six characters, containing at least one number. Since this will also become your screen unlock code, most people will probably choose one that's easy to enter.
Step Four
Go get a cup of coffee or watch an episode of Breaking Bad while your phone gets encrypted.
Note that in the Security settings screen you can also choose to encrypt an SD card.
Why
Why Encrypt Your Android Mobile Phone
Encryption protects the sensitive data on your phone
If you’re an average user, you may think you don’t have sensitive data on your phone, but you probably do. If your phone is stolen, that thief now has access to your email inbox, your home address, and any number of other pieces of personal information. Granted, most thieves would also be deterred from accessing your data by a standard unlock code encrypted or not. And, most thieves are more interested in wiping and selling the phone than accessing your personal data. But, it never hurts to keep that stuff protected.
On Android 5.1 and above, encryption doesn’t require a PIN or password, but it’s highly recommended since not having one would reduce the effectiveness of the encryption.
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