Samsung Galaxy S8 wont turn on

[Amy M]

Hi my phone as updating earlier (showed the android robot) then phone went blank and has bene showing Samsung Galaxy black page all day, wont turn on. When i hold volume down button, on button and the other button left hand side down together a red alert comes up top left corner saying 'kernel rev check fail binary 6'
what is happening? thanks

 

[ocnbrze]

try doing a hard reset:
https://www.hardreset.info/devices/samsung/samsung-g950f-galaxy-s8/

 

[tube517]

Were you doing an official OTA update or are you trying to flash an update on your own?

Is your phone rooted?