Yes, that's what I am saying, I don't use my phone camera, instead, I will replace that part covered by the camera with more battery or CPU. As for the operatin

Yes, that's what I am saying, I don't use my phone camera, instead, I will replace that part covered by the camera with more battery or CPU. As for the operating system, you can choose the OS you prefer - whether it is rootable or not, or even your own custom OS