Backup Contacts

Steps you need to follow to backup contacts:1)Make an account(directly from the app),2)Login,3)Press the button:Add to server(it takes a few minutes if u have many contacts).Then on the new device or on the same one if have to do the following thing with the app already installed:1)Login,2)Press the button: Add to phone, for restore contacts(it takes a few minutes if u have many contacts).The app checks if u already have the number in your phone and if you do it doesn