Thanks for reaching out here in the Roku Community, @Ms411!
It has come to our attention that the Roku Streambar you are having trouble connecting to your phone's hotspot. No worries; we will be more than willing to assist you.
Could you please let us know what error message you're seeing on your screen when trying to connect?
In the meantime, you might want to check this support article: How to fix internet errors and issues on your Roku streaming device.
We are looking forward to your prompt response.
All the best,
Emman
Emmanuel-D.
Roku Community Moderator