To be clear:
Some "legacy" content that was originally tied to now-defunct online services like
: Have an application like multiMAN , IRISMAN , or Apollo Save Tool installed to manage files. USB Drive : A USB flash drive formatted to FAT32 .
: Ensure your console is running CFW or has HEN enabled.
: Using tools like the AC Save Tool to inject a "blank" save file that flags all DLC content as "owned".