Menu interface changes or minor performance boosts.
Many profiles are run by dedicated enthusiasts who share functional modification files quickly after a broadcast change.
Installing custom, unofficial receiver software can corrupt your hardware's flash memory, rendering your TV receiver completely permanently broken ("bricked").
The exact term does not refer to a known, mainstream commercial software product or an official Google Blogger feature.
Instead, this phrase is a specific string of keywords commonly found in the profile descriptions of users on Blogger (Blogspot) who share or download third-party firmware for satellite TV boxes, 4K digital receivers, and Android media players.