I plan on buying a new mobile device. Can my data be transferred to it?

Data cannot be transferred between mobile devices.
Music files, playlists, etc., being managed with rekordbox (Mac/Windows) on a computer can be exported/imported to rekordbox (iOS/Android) on your new mobile device and used in the same way as on your old mobile device.

*This is not a genuine backup function, so in some cases it may not be possible to restore the data to exactly the same as it was before.