If it is a consumer App, I would suggest to make a notification + user action (may be ftp). Not all users will have unlimited data volume from their providers and will start the download and want to download big data files only in a wifi environment...
If it is a consumer App, I would suggest to make a notification + user action (may be ftp). Not all users will have unlimited data volume from their providers and will start the download and want to download big data files only in a wifi environment...