Unable to install Big Sure on my Matebook X Pro 2018... unable to boot

Good morning,

I followed the excellent guide published here: https://github.com/profzei/Matebook-X-Pro-2018 for the installation of Big Sure via macrecovery but... I did it a remarkable quantity of times without success as I am getting always that boot screen.

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https://preview.redd.it/jiuv0qrfocq71.png?width=1280&format=png&auto=webp&s=eea7571e6a3745f30c0595c7dd3bc489da1c60eb

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I disable in the BIOS the options required but I am unable to go ahead.

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Can please give me your support?

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Thanks,