In essence, it is a "surgical scalpel" for TV firmware—not a magic button, but a low-level access bridge.
Specific for extracting and repacking LG KDZ firmware. tv boot extract tool
If you aren't working on a screwless Samsung, a broader tool kit like the GuuYebe TV Repair Tools might be better. These kits often include: Heavy Duty Suction Cups In essence, it is a "surgical scalpel" for