[Step by Step Guide] http://www.iphonemanager.org/htc-to-iphone-6s-plus.html
Download MobileTrans on Windows: http://www.iphonemanager.org/phone-to-phone-transfer
Download MobileTrans on Mac: http://www.iphonemanager.org/mac-phone-to-phone-transfer
MobileTrans: 1-click phone to phone data transfer software to sync all SMS, contacts, media files from any iOS, Android, Windows Phone or Symbian to iPhone 6S / iPhone 6S Plus directly.
1. Transfer data like photos, calendar, contacts, text…