S21fe Phone shut down after update cannot open

[Sunder1956]

My S21fe shut down recently after an update. Cannot open the phone  now. Just an image of Samsung appearing then closing again.

[Albags2002]

Try booting to safe mode and see if working OK. Check Google for how to!

[RajithaPrabath]

Try restarting
Volume Up + Volume Down + Power for 8 sec.