The lesson here is severe: Possessing or distributing a tool like can lead to criminal charges, fines, and even imprisonment. It also contributes to the black market of stolen phones, as these tools are often used to "clean" (factory reset) stolen devices to make them resellable.
Many device manufacturers offer official, free flashing tools for their specific platforms. Tools like Odin for Samsung devices or SP Flash Tool for MediaTek chipsets are completely free to use and do not require unauthorized modifications.
Use manufacturer-approved flashing software, which is completely free and secure. Examples include Odin for Samsung devices, Mi Flash Tool for Xiaomi, and the SP Flash Tool for generic MediaTek devices.
This tool was widely used for servicing Chinese-made devices, Qualcomm chipsets, and even certain legacy Blackberry models: Firmware Flashing
Using cracked software like Miracle Box 2.27a carries risks, including potential malware in the "loader" files and the risk of "bricking" (permanently disabling) modern smartphones not supported by this legacy version.