so, for whatever features you want, there is a phone. there are hundreds of phones. when you start combining them, you are personalizing a phone. products are made for target markets. that's why people customize cars.
get a phone with a jack, put your own android on it, update it when it's updated. done. If you want a large company to make something specifically for you, with the combination of exact features you want - they don't. same for cars. same for coffee makers.