If the steps above don't work, you may have a hardware issue, such as a damaged digitizer or internal liquid damage.
Third-party accessories can sometimes cause "ghost touches" or unresponsiveness due to interference or physical pressure. How Do I Fix An Unresponsive Iphone 11 Screen
How To Force Turn OFF / Restart iPhone 11 - Fix Frozen Screen If the steps above don't work, you may
A cracked or poorly applied protector may prevent the screen from registering your touch. Remove it to see if responsiveness returns. If the steps above don't work
If your iPhone 11 screen is unresponsive, it is often a temporary software glitch rather than a permanent hardware failure. Before seeking a repair, try these troubleshooting steps to restore touch functionality. 🚀 Immediate Fixes 1. Perform a Force Restart