Pretty much every review I've read of that Xiaomi phone have talked about how unwieldy that phone is due to the camera bump that's as thick as the phone itself. Literally impossible to use with one hand without it falling out of your hand due to the weight of the camera bump.
No amount of engineering will overcome the physics of light. You will *always* have to have a huge optical element to make use of a sensor that size.
No amount of engineering will overcome the physics of light. You will *always* have to have a huge optical element to make use of a sensor that size.