Instalation failed

Hello everyone,

I used the easy installer to install e OS on my Samsung S8, but I always get the error message (see picture). what can I do? I need help

checkout this thread, same device / issue - Bootloop issue (SM-G950F)

it had the same errors your screen shows. I use to write them out to make it easier finding existing threads

[libf_mgr]is_dt_compatible(): firmware info was not valid
failed to set driver control: No such device
E:failed to verify who-file signature
E: Signature verification failed