Iphone 11 screen not working after ios update

Hi,
I recently installed IOS update 14.4.1 and the bottom half of my screen has stopped working. I restarted my iPhone so I can't unlock it either. How can I fix this problem?
bottom half of my screen has stopped working
What do you get : a black screen or an unresponsive bottom half ?

In anycase, you'd better contact Apple support.
There may have been an incorrect update installation.


Iphone 11 screen not working after ios update
 
 
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