Apple Watch ultra not connecting to cellular

Hello doctorchas,

Let's start off by checking the helpful steps in this article that was linked to your posting which can help make sure everything is configured properly: Set up cellular on Apple Watch.

Also make sure your watch is paired to your iPhone as that can affect connectivity. If it is not, see this article: If your Apple Watch isn't connected or paired with your iPhone.

Let us know if we can help with anything else at all or if this doesn't settle your issue so we can look into this further with you. Thanks and have a fabulous day!