 this is what you need. The problem is it's $529. So, um, I get it. That's expensive, but is going to solve the problem. I think your dad is worth it. And, uh, I think that this would be a great way to make him feel like he can use this phone to its maximum and not have any issues. The other thing you could do is just get a flip phone, something simple. Uh, did you say you wanted voice, uh,