M31 crashed after update. Not rebooting.

[rgargmd]

No customer support available. Lockdown in India. What to do. SAMSUNG guys please come up with a solution on how to reset our crashed phones.

These are the pics of screen. Phone is also not going into power off mode.

[ixso]

 if you're experiencing Odin fail error, press and hold the volume down key and power button together and wait for a few minutes before your phone reboots itself.

[MeghaPratapReddy]

This is not working at all. All such button press methods are tried and exhausted.

[ixso]

if you have PC then download stockrom and flash it via Odin.

[rgargmd]

https://drive.google.com/folderview?id=1sGpH6QLvehM4ylCgFW6rchJ-rRLYVa4J

download above link and follow the steps.