If you switch your old iPhone to an Android Phone like Samsung Galaxy S8 / S8+, you might be troubled with data transferring. With MobileTrans, all the contacts, messages, photos and more can be transferred from iPhone to Galaxy S8 / S8+ directly.
http://www.facebook.com/KSOFT.CC/posts/1124072127698098 [facebook.com]
Works with all iDevices like:
iPhone 7, 7 Plus;
iPhone 6S, 6S Plus;
iPhone 6, 6 Plus;
iPhone SE, 5S, 5C, 5, etc.