If you have owned the new Samsung Galaxy S8/S8+, I'll tell you the way to transfer files from old Phone to Samsung Galaxy S8/S8+. Actually, we can do that within 3 steps by using mobile phone tranfer program. 1. Download and install the mobile phone transfer program on computer. 2. Open it and connect both of them to computer via USB Cables. 3. Preview all data and choose them to transfer between them.