Import from iCloud™: iOS 4.2.1 or higher and Apple ID Wired transfer from your iOS device to your Galaxy: iOS 5.0 or above, iOS device cable (lightning or 30 pin), and a USB connector iOS™ owners - use the option that’s best for you:.Wired transfer: Android 4.3 or higher, charger cable, and a USB connector Wireless transfers from a compatible Android device to Galaxy device: Android 4.0 or higher (Note that non-Samsung devices with Android versions lower than 6.0 can only connect with Galaxy devices that support a mobile AP.) Wireless transfer: Android 4.0 or higher Plus, Smart Switch™ helps you find your favorite apps or suggest similar ones on Google Play™.
▣ Smart Switch gives you the freedom to move your contacts, music, photos, calendar, text messages, device settings and more to your new Galaxy device. Please reboot a phone and go to Settings → Apps → Google Play Store → Clear cache and data → Then, try to download again.