Hi, After updating to ios 15.7.3 I cannot connect to a monitor using lightning to -HDMI cable

Hello roya275,

Thanks for reaching out to Apple Support Communities. We see you have some questions after updating, and we'd like to help. With connecting a cable to your device, the following link can walk through how to help: Connect iPhone to a display with a cable

If you still need help, please Contact Apple Support.

Regards.

Hey there roya275, 

At this point, you'll want to Contact Apple Support for assistance.  

Have a good one!