In speed dial you can set a image and contact of a person and you can call them by clicking on their photo.This avoid the difficulties of remembering the number assigned to a contact.You can place the app in home screen and make call easy.
NOTE:For Marshmellow users you should go to settings and grant permission to access your contacts and photos to set to the button.
9Apps 4.9
![Speed Dial Securely from Your Lock Screen with Passcode Contacts - iPhone Tweak [How-To] screenshot 1](https://i.ytimg.com/vi/5g0RyIRqbCo/mqdefault.jpg)
