MI10 fastboot after firmware update. I'm stucked

[nabbestia]

Hello, so i updated my firmware to the latest via smartphone update as always, it automatically rebooted in fastboot mode and i can't exit from that, mi10 will now only show the fastboot screen with no menu options. All button combinations lead to rebooting to the same fastboot scree

I am totally desperate and i don't want loose my file on the smartphone, what happened and what can i do?

i am european and the mi 10 never had problems (no root ecc), i don't understand