Samsung Data Recovery can recover deleted contacts from Samsung phones without a backup file. All the details—company, job title, email address, are included. The intuitive interface is easy to handle.
How to retrieve lost contacts from Samsung

Although you have the different devices, Samsung Transfer can help you move you data from one phone to another, including text messages, contacts, music, call history and more. So, you can follow the similar steps to transfer data between two phones.
How to manage Samsung galaxy phone

Samsung Transfer can help you copy data between two Samsung galaxy as well .This program can also be used for a variety of smartphones, including Samsung,LG,Sony,Huawei,Meizu, etc. A variety of data, such as photos, contacts, music, video, text messages can be transferred by the program.
How to switch SMS from Samsung to computer

You can move contacts between two Android phones by using Samsung Transfer software. By this way, you can move contacts,messages,photos,videos,music from phone to phone. It only needs three easy steps to transfer data from Android to Android.
How to backup LG phone contacts on computer