Before clicking "Erase Seccfg," backup your NVRAM, preloader, and boot partitions using dd commands in a rooted shell. And never, ever download the tool from a YouTube link with a password-protected RAR file—stick to XDA Developers forums or trusted GitHub mirrors.
While "i-Smt" is not a standard official brand, tools in this category typically offer: i--- Smt Bootloader Unlock Tool
While the tool offers a shortcut, users should be aware of the following risks: Warranty Status Before clicking "Erase Seccfg
A bootloader is the code that runs when a device starts, loading the operating system. Unlocking it allows users to: " backup your NVRAM