Why display starting android on update

[AC Question]

On updating new Samsung C7 it's 1hour now after installing update but still phone doesn't started.display showing only 'starting android' how long can it take or how to re start now.. plz help

 

[B. Diddy]

Welcome to Android Central! If it's still going on, then something went wrong. Try forcing a shutdown by pressing and holding Power and Vol Down for about 15 seconds, then power on again normally. Does it boot up?