Setting up iPhone 16 or 17 for hands-free usage

My brother has a. Mental disability, learning disabled. 63 yr. I’m 62. Neither are tech savvy. Using an I phone 11. If upgrade his to a16/17. Can I set it up for hands free usage. Calls. Music. Etc. also looking to pair a voice control tv for him if possible. Recommendations

[Re-Titled by Moderator]

Original Title: Handicapped usage.