You can find dozens of boot tools on forums and GitHub. Some are free scripts; some are cheap Chinese executables. However, when dealing with NAND bad blocks, ECC (Error Correcting Code), and checksums, low-quality tools are dangerous.
Here is why professionals pay for or seek out High-Quality (HQ) tools: tv boot extract tool high quality
The fine tip of a premium extractor is excellent for disconnecting ribbon cables or prying open snap-fit laptop chassis. You can find dozens of boot tools on forums and GitHub
While the name suggests televisions only, this tool is a multi-purpose lifesaver. Here is why professionals pay for or seek
TV flash memory degrades over time. Low-quality extractors ignore bad blocks. If you flash a bootloader over a bad block using a cheap tool, the TV will never boot. HQ tools map out bad blocks and skip them intelligently.
You do not need this tool for every TV problem. You need it if: