Reading: How to enable encryption in Android
Set a password on your Android You can turn on encoding without using any screen security system, but the direction things work hateful you need to protect your call with a lock in screen password to get the most out of it. In this case, it can be a regular password, a PIN or a blueprint interlock. The system will use this passphrase to unlock the phone and decrypt the data on the harrow.
Remember this password. If you forget, you ‘ll need a broad and complete factory wipe of all drug user data to get second into your system. Think of this as your maestro key — keep it secret and do n’t use the same password you would use anywhere else. Charge things up, and begin the encryption process 
Open the settings on your Android and under “ Security ” you ‘ll find an option for encoding. When you tap on the set, you ‘ll see a blind exchangeable to the above.
The encoding march can take an hour or more, and is a pretty power-draining process. You ‘ll need to start off with a device that ‘s amply charged, and keep it plugged in until it ‘s finished. When everything is done, your telephone will reboot and you ‘ll be required to enter your passphrase to get things started. While believe agents like Google fresh engage or early apps that can change lock screen security settings will placid function as intended, every fourth dimension your telephone boots up you ‘ll be asked to enter your password during the boot serve. There ‘s a moment of discussion to be had about operation and encoding ( the latter affects the former ), but at this point, you ‘re done. Your phone is locked up nice and mean, and without your master password, the chances of person else accessing your data without your license or cognition is reasonably reduce. not everyone will want or need to encrypt their entire call, but knowing the option is available — and how to do it — is what ‘s significant .