If you want a truthful answer, the Chinese only phones that aren't sold outside of China have the best cameras, especially for zoom. I'm not too sure on the brand but it might be oppo that have a 120x zoom that looks better than the s25u 100x zoom. They also have much larger sensors than any other phone.
Since you have to import them and the phone software usually isn't fully English or as polished as normal, they don't provide the best smartphone experience.
For phones you can go and buy, s25u, s24u or the latest pixel phones have really nice cameras.
Though the samsung ultra phones have a bit of a quirk with them. They use a laser sensor for focus. If you try to take a pic through a window, the phone tends to focus on the window not through the window.