NEED HELP if MY IPHONE 11

Hey there,

See>>>If you can't make or receive calls on your iPhone - Apple Support

If you still need help contact Apple Support

If Apple support can't help you, you should contact your carrier.

Greetings!

Thank you for your reply!

You can check whether your phone is under warranty or not through the following link. Put the serial number of your device and check >>>Check Your Service and Support Coverage - Apple Support

you can also contact Official Apple support to help you with your issue:Apple Support

Thank you for your reply!

Did you check the link I sent you? Did you buy your phone from the Apple Store or its authorized distributors? Did you contact technical support?

Your welcome 🙏 !