no service

"... following all the steps." - from what?

If you see No Service or Searching on your iPhone or iPad - Apple Support

You certainly have not followed all the steps from this article, as the steps include contacting your carrier as well as contacting Apple Support.

Kek_s wrote:

I have followed all the steps from the article

• What did your cellular carrier say when you contacted them?
• What did Apple Support say when you contacted them?

but my SIM card is working on another device

There are four different iPhone XR models. Some work with some SIMs ...