E5573s320 Usbloaderbin Work -

Sending usbloader... Loader sent successfully. Jumping to loader... Bootloader unlocked. Using (Linux/macOS):

Remember: the community of developers who create these loaders operate in a legal gray area. Respect their work, don’t use it for illegal purposes (e.g., bypassing rental locks), and always back up your original firmware before making changes. e5573s320 usbloaderbin work

But what does actually mean?