This is the quickest and most comprehensive way to move content between the phones. If you want to perform the transfer yourself, you will need to purchase a Micro USB to USB adapter. Here are the DIY instructions:
In addition to the phones, you will need to have the following to perform a wired transfer:
• iOS cable: This is the cable that came with your iOS phone. One end connects to your phone, the other end connects to a USB connection.
• Micro USB to USB adapter (OTG cable): Connect one end of the adapter into your new Galaxy phone, then connect the USB connector of the iOS cable into the other end of the adapter. If you need an adapter, you may purchase one on Samsung.com.
Transfer Content via USB Cable
Get those files transferred in a flash with a USB cable.