Want to set the voice command to unlock the smartphone? If it is your yes then using the Screen Lock & Unlock by Voice app, you can unlock your screen with your voice command. You will not need to touch your phone to unlock it. To set the voice code on the lock screen, you will have to set a voice password. With the help of the voice password, you can unlock the lock screen. For your backup, you can set an alternative backup password to unlock the smartphone. The app offers you different backu