The android device data transfer was a long question, i think it’s very convenient to use a mobile phone file transfer and backup app to help. Try Coolmuster Android Assistant, just few simple steps to transfer everything from your phone to computer.
An android data backup app could transfer everything from your phone to computer, you need to connect your phone to computer and start the app, then the app would detect your phone data automatically, you can select and check those data you want to backup.