Very easy to use! Amazing. Been looking for a way to transfer my sms & call logs from my old samsung pocket galaxy to my new note 5. I really thought there was no hope since my former phone has little memory to install apps. I tried others. It will just ask you to install more apps  do complicated steps that will make you quit halfway. Just install this on both phones then use a gmail account to back up from the old phone then restore sms & call logs on the new phone using the same gmail! This deserves 10 stars ;)