iPhone 14 Pro Max - Got screen of death after/during update to ios 18

Display was changed - not genuine part

Everything was working fine on ios 17

Suddenly this occured after it was updated to ios 18

My touch is responsive but display doesnt show up

I also tried force restarting but its not happening

I tried turn off and turn on but nothing is happening

help me with this !!!! i am not able to use my phone

[Edited by Moderator]