While the 2021 loader versions claim to work without the physical hardware box, you should be aware of the potential downsides:
If you are a hobbyist or a professional, it is always recommended to use official methods: While the 2021 loader versions claim to work
: For specific chipsets, use official free tools like SP Flash Tool (for MediaTek) or QFIL (for Qualcomm). While the 2021 loader versions claim to work