To make sure you can migrate content as completely as you want, PhoneTrans covers more sources. Not just from the previous phone and backups, you can also transfer your required data and files from iTunes library, iCloud, and Google Account. They’ll all be well organized on your phone, without overwriting a single piece of existing data.
|iTunes Library to iPhone/iPad||iTunes Library to Android Device|
|iCloud to iPhone/iPad||iCloud to Android Device|
|Google Account to iPhone/iPad||Google Account to Android Device|