they should be chasing color science, noise/sensitivty, and the ability to turn off all processing/filters, which is the #1 reason why phone cameras still look like trash compared to a real camera.
resolution is just for marketing and dumb people
Wont ever happen, but would be cool to see a $599 Magsafe Pro Module that attaches to the back of the phone, providing an additional battery, 2x USB-C for power and data seperately, dual memory card slots, 3.5mm audio in/out, full size HDMI, and multiple 3/8" screwholes for rigging and mounting.