: Usually stands for "Unknown," often referring to the specific uploader or a missing metadata tag.

You will mostly find discussions regarding this specific file on sites like:

: Indicates the file was originally optimized or cracked for the iPhone 4S , but is "Universal" (univ), meaning it should technically work on iPads and newer iPhones.

: Likely a versioning tag from the "cracking" group or the specific tool used to decrypt the app.