Phone bock on start up on ASUS screen

Model: ZC553KL(Max)
Firmware/App Version: Dont know
Location: Portugal
Frequency of Occurrence: Today
Rooted: No
App Name:
Description: Hello Asus team, i have a problem with my phone, yeasterday i left it charging and today when i tried to reboot it, it got blocked on the Asus screen. I tried to make factory reset, but when i try to do that i see still the same logo and the message on the green text, i dont see any recovery menu. Can you please help / advise?

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